Climate and average weather in Mernda
In Mernda, the summers are warm, fairly dry, and mostly clear and the winters are cool and partly cloudy.
Over the course of the year, the temperature in Mernda typically varies from 5°C to 26°C, and is rarely below 1°C or above 34°C. January is the hottest month of the year, while July is the coldest.
Based on the travel score, the best time of year to visit Mernda for warm-weather activities is from mid November to late April.
- Hottest
- Jan
- 26°
- Coldest
- Jul
- 5°
- Wettest
- Nov
- 63 mm
- Driest
- Mar
- 35 mm
- Rain / yr
- 601 mm
- 99 wet days
- Daylight
- 9.4–14.6 h
- shortest–longest
- Elevation
- 167 m
- 37.6°S
- Clearest
- Feb
- 48% cloud
Mernda is suburb of Melbourne, Victoria, Australia.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Mernda weather by month, at a glance
The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.
Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around mid November to late April.
Temperature through the year
Daily average highs and lows in Mernda, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.
The hot season lasts 3.7 months, from November 29 to March 20, with daily high temperatures above 22°C. The hottest month of the year in Mernda is January, with an average high of 26°C and low of 13°C.
The cool season lasts 3.5 months, from May 22 to September 4, with daily high temperatures below 14°C. The coldest month of the year in Mernda is July, with an average low of 5°C and high of 12°C.
Days typically run about 10°C warmer than nights, with the widest day–night swing (around 13°C) in January.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 25 | 23 | 19 | 15 | 12 | 12 | 13 | 15 | 18 | 21 | 23 |
| Avg low (°C) | 13 | 13 | 11 | 9 | 7 | 5 | 5 | 5 | 6 | 7 | 9 | 11 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| Jan | 26 | 13 |
| Feb | 25 | 13 |
| Mar | 23 | 11 |
| Apr | 19 | 9 |
| May | 15 | 7 |
| Jun | 12 | 5 |
| Jul | 12 | 5 |
| Aug | 13 | 5 |
| Sep | 15 | 6 |
| Oct | 18 | 7 |
| Nov | 21 | 9 |
| Dec | 23 | 11 |
Average hourly temperature in Mernda
A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.
Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on January afternoons, near 26°C, and coldest before dawn in July, near 5°C.
Mernda weather by month
Every month at a glance. Click a month for its detailed page.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 13° | 51 | 6.3 | 14.3 | 7.5 |
| Feb | 25° / 13° | 45 | 5.7 | 13.4 | 7.6 |
| Mar | 23° / 11° | 35 | 5.2 | 12.3 | 7.7 |
| Apr | 19° / 9° | 44 | 6.7 | 11.1 | 6.5 |
| May | 15° / 7° | 41 | 8 | 10 | 4.7 |
| Jun | 12° / 5° | 47 | 9.3 | 9.5 | 3.3 |
| Jul | 12° / 5° | 42 | 10.3 | 9.7 | 3.0 |
| Aug | 13° / 5° | 51 | 10.5 | 10.6 | 3.5 |
| Sep | 15° / 6° | 59 | 10.9 | 11.7 | 4.6 |
| Oct | 18° / 7° | 61 | 9.6 | 13 | 5.9 |
| Nov | 21° / 9° | 63 | 9.3 | 14 | 6.5 |
| Dec | 23° / 11° | 62 | 7.4 | 14.5 | 7.3 |
Chance of rain
How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.
Mernda gets about 601 mm of precipitation a year. On a typical day the chance of rain is some rain, but that rises and falls sharply with the seasons.
The wetter season lasts 6.3 months, from around May 28 to Dec 4, peaking in August at about 37% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Mar 13.
November is the wettest month by volume, with 63 mm over about 9 wet days; March is the driest, with 35 mm.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain on a day (%) | 20 | 20 | 17 | 23 | 26 | 31 | 33 | 35 | 35 | 32 | 30 | 25 |
| Rain days | 6 | 6 | 5 | 7 | 8 | 9 | 10 | 11 | 11 | 10 | 9 | 7 |
| Rain on a day (%) | Rain days | |
|---|---|---|
| Jan | 20 | 6 |
| Feb | 20 | 6 |
| Mar | 17 | 5 |
| Apr | 23 | 7 |
| May | 26 | 8 |
| Jun | 31 | 9 |
| Jul | 33 | 10 |
| Aug | 35 | 11 |
| Sep | 35 | 11 |
| Oct | 32 | 10 |
| Nov | 30 | 9 |
| Dec | 25 | 7 |
Monthly rainfall
Over a full year, Mernda collects about 601 mm of rain across 99 wet days — roughly 50 mm in an average month.
It doesn’t fall evenly. November is the wettest month with 63 mm, while March is the driest at just 35 mm. The three wettest months alone bring about 31% of the year’s total.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainfall (mm) | 51 | 45 | 35 | 44 | 41 | 47 | 42 | 51 | 59 | 61 | 63 | 62 |
| Rain days | 6 | 6 | 5 | 7 | 8 | 9 | 10 | 11 | 11 | 10 | 9 | 7 |
| Rainfall (mm) | Rain days | |
|---|---|---|
| Jan | 51 | 6 |
| Feb | 45 | 6 |
| Mar | 35 | 5 |
| Apr | 44 | 7 |
| May | 41 | 8 |
| Jun | 47 | 9 |
| Jul | 42 | 10 |
| Aug | 51 | 11 |
| Sep | 59 | 11 |
| Oct | 61 | 10 |
| Nov | 63 | 9 |
| Dec | 62 | 7 |
Clouds and sunshine
How often the daytime sky is clear, partly cloudy or overcast.
In Mernda, the average share of the sky covered by clouds shows moderate seasonal variation over the course of the year.
The clearer part of the year begins around December 11 and lasts for 4.2 months, ending around April 18. The clearest month is January, when the sky is clear, mostly clear, or partly cloudy 59% of the time on average.
The cloudier part of the year begins around April 19 and lasts for 7.8 months, ending around December 10. The cloudiest month is May, when it is overcast or mostly cloudy 63% of the time.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 59 | 59 | 54 | 45 | 37 | 37 | 41 | 42 | 40 | 42 | 42 | 47 |
| Cloudier (%) | 41 | 41 | 46 | 55 | 63 | 63 | 59 | 58 | 60 | 58 | 58 | 53 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| Jan | 59 | 41 |
| Feb | 59 | 41 |
| Mar | 54 | 46 |
| Apr | 45 | 55 |
| May | 37 | 63 |
| Jun | 37 | 63 |
| Jul | 41 | 59 |
| Aug | 42 | 58 |
| Sep | 40 | 60 |
| Oct | 42 | 58 |
| Nov | 42 | 58 |
| Dec | 47 | 53 |
Daylight, sunrise and sunset
Hours of daylight through the year, with sunrise and sunset times.
The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around January 1, brings about 14 h 36 min of light; the shortest, around June 12, only 9 h 24 min — a swing of roughly 5 h 12 min.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.3 | 13.4 | 12.3 | 11.1 | 10.0 | 9.5 | 9.7 | 10.6 | 11.7 | 13.0 | 14.0 | 14.5 |
| Sunrise (AM) | 6:19 | 6:51 | 7:20 | 7:49 | 8:16 | 8:37 | 8:36 | 8:08 | 7:21 | 6:35 | 6:03 | 5:58 |
| Sunset (PM) | 8:39 | 8:17 | 7:38 | 6:51 | 6:15 | 6:02 | 6:14 | 6:40 | 7:07 | 7:34 | 8:07 | 8:33 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| Jan | 14.3 | 6:19 | 8:39 |
| Feb | 13.4 | 6:51 | 8:17 |
| Mar | 12.3 | 7:20 | 7:38 |
| Apr | 11.1 | 7:49 | 6:51 |
| May | 10.0 | 8:16 | 6:15 |
| Jun | 9.5 | 8:37 | 6:02 |
| Jul | 9.7 | 8:36 | 6:14 |
| Aug | 10.6 | 8:08 | 6:40 |
| Sep | 11.7 | 7:21 | 7:07 |
| Oct | 13.0 | 6:35 | 7:34 |
| Nov | 14.0 | 6:03 | 8:07 |
| Dec | 14.5 | 5:58 | 8:33 |
Sunny days
How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.
Mernda averages about 8 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 5 and 13 days.
The sunnier stretch runs 5.2 months, from around Nov 16 to Apr 23. The sunniest month is January, with roughly 13 sunny days (mixed).
The greyest month is August, down near 5 sunny days — about 59% fewer than the January peak.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sunny days | 13 | 12 | 11 | 8 | 6 | 5 | 5 | 5 | 6 | 7 | 8 | 10 |
| Sky | Mixed | Mixed | Mixed | Mixed | Gloomy | Gloomy | Gloomy | Gloomy | Gloomy | Gloomy | Gloomy | Mixed |
| Sunny days | Sky | |
|---|---|---|
| Jan | 13 | Mixed |
| Feb | 12 | Mixed |
| Mar | 11 | Mixed |
| Apr | 8 | Mixed |
| May | 6 | Gloomy |
| Jun | 5 | Gloomy |
| Jul | 5 | Gloomy |
| Aug | 5 | Gloomy |
| Sep | 6 | Gloomy |
| Oct | 7 | Gloomy |
| Nov | 8 | Gloomy |
| Dec | 10 | Mixed |
Humidity comfort
Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.
Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.
In Mernda, the air stays dry or comfortable essentially all year. Even in February, the muggiest month, it feels humid or worse only about 11% of the time — humidity is not something you need to plan around here.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 70 | 65 | 81 | 94 | 99 | 100 | 100 | 100 | 99 | 97 | 90 | 84 |
| Comfortable (%) | 21 | 24 | 15 | 6 | 1 | 0 | 0 | 0 | 1 | 3 | 8 | 12 |
| Humid (%) | 7 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
| Muggy (%) | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| Jan | 70 | 21 | 7 | 2 |
| Feb | 65 | 24 | 10 | 1 |
| Mar | 81 | 15 | 4 | 0 |
| Apr | 94 | 6 | 0 | 0 |
| May | 99 | 1 | 0 | 0 |
| Jun | 100 | 0 | 0 | 0 |
| Jul | 100 | 0 | 0 | 0 |
| Aug | 100 | 0 | 0 | 0 |
| Sep | 99 | 1 | 0 | 0 |
| Oct | 97 | 3 | 0 | 0 |
| Nov | 90 | 8 | 2 | 0 |
| Dec | 84 | 12 | 4 | 0 |
Wind
Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.
This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.
Wind in Mernda is steady company: average speeds sit near 13 km/h — light breeze — in every month of the year, with no meaningful windy or calm season.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 13 | 13 | 13 |
| Feels | light breeze | light breeze | light breeze | calm | calm | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| Jan | 14 | light breeze |
| Feb | 13 | light breeze |
| Mar | 12 | light breeze |
| Apr | 12 | calm |
| May | 12 | calm |
| Jun | 13 | light breeze |
| Jul | 13 | light breeze |
| Aug | 14 | light breeze |
| Sep | 14 | light breeze |
| Oct | 13 | light breeze |
| Nov | 13 | light breeze |
| Dec | 13 | light breeze |
Hazard calendar for Mernda
When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.
Mernda sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Best time to visit Mernda
To characterize how pleasant the weather is in Mernda throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.
Around mid November, Mernda is still near the start of its best-weather window — great conditions with the peak-season crowds not yet at full swing.
Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.
The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Mernda for general outdoor tourist activities is from early November to late April, with a peak score in the second week of March.
The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Travel score (0–10) | 7.5 | 7.6 | 7.6 | 6.5 | 4.7 | 3.3 | 3.0 | 3.5 | 4.6 | 5.9 | 6.5 | 7.3 |
| Rating | ideal | ideal | ideal | good | fair | poor | poor | fair | fair | good | good | good |
| Travel score (0–10) | Rating | |
|---|---|---|
| Jan | 7.5 | ideal |
| Feb | 7.6 | ideal |
| Mar | 7.6 | ideal |
| Apr | 6.5 | good |
| May | 4.7 | fair |
| Jun | 3.3 | poor |
| Jul | 3.0 | poor |
| Aug | 3.5 | fair |
| Sep | 4.6 | fair |
| Oct | 5.9 | good |
| Nov | 6.5 | good |
| Dec | 7.3 | good |
The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Mernda for hot-weather activities is from mid December to mid March, with a peak score in the third week of January.
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).
What to pack for Mernda, by month
Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.
For a warm-season trip around January (highs near 26°C), the essentials are light clothes and sun protection. In the cold season around July (highs near 12°C), pack a warm layer and rain gear.
In January, Mernda sees daytime highs around 26°C and nights near 13°C. Pack sun protection. Worth having: light clothes. About 6 days see rain.
Sea temperature near Mernda
Average ocean temperature at the nearest coast, month by month, banded into swim-comfort zones — the other half of the beach question.
The sea at the nearest coast (about 36 km away) is warmest in February at about 21°C and coldest in August near 11°C.
It's comfortable for a long swim from Jan 15 to Mar 11 — about 1.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 21 | 20 | 18 | 15 | 13 | 12 | 11 | 12 | 14 | 17 | 19 |
| Comfort | Refreshing | Refreshing | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 20 | Cool |
| Apr | 18 | Cool |
| May | 15 | Cool |
| Jun | 13 | Bracing |
| Jul | 12 | Bracing |
| Aug | 11 | Bracing |
| Sep | 12 | Bracing |
| Oct | 14 | Bracing |
| Nov | 17 | Cool |
| Dec | 19 | Cool |
UV index (midday) in Mernda by month
Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.
Under clear skies, the midday UV index in Mernda peaks around December 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 10 | 8 | 5 | 3 | 2 | 2 | 3 | 5 | 8 | 10 | 12 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Low | Moderate | Moderate | Moderate | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 10 | Extreme |
| Mar | 8 | Very high |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 2 | Low |
| Jul | 2 | Moderate |
| Aug | 3 | Moderate |
| Sep | 5 | Moderate |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 12 | Extreme |
Average hourly UV index in Mernda
Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.
The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.
UV falls off far faster than brightness as the sun drops, so even in December the burn window is concentrated in the middle of the day: about 9.5 hours a day reach index 3 (protection recommended), and 7 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV ≥ 3 (h/day) | 9 | 8 | 7 | 4.5 | 0 | 0 | 0 | 2 | 5 | 7 | 8.5 | 9.5 |
| UV ≥ 6 (h/day) | 6.5 | 5.5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 5.5 | 7 |
| UV ≥ 3 (h/day) | UV ≥ 6 (h/day) | |
|---|---|---|
| Jan | 9 | 6.5 |
| Feb | 8 | 5.5 |
| Mar | 7 | 4 |
| Apr | 4.5 | 0 |
| May | 0 | 0 |
| Jun | 0 | 0 |
| Jul | 0 | 0 |
| Aug | 2 | 0 |
| Sep | 5 | 0 |
| Oct | 7 | 4 |
| Nov | 8.5 | 5.5 |
| Dec | 9.5 | 7 |
Growing season
Mernda is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Frost-free chance (%) | 100 | 100 | 100 | 100 | 98 | 97 | 97 | 97 | 97 | 99 | 100 | 100 |
| Frost nights | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Frost-free chance (%) | Frost nights | |
|---|---|---|
| Jan | 100 | 0 |
| Feb | 100 | 0 |
| Mar | 100 | 0 |
| Apr | 100 | 0 |
| May | 98 | 0 |
| Jun | 97 | 0 |
| Jul | 97 | 0 |
| Aug | 97 | 0 |
| Sep | 97 | 0 |
| Oct | 99 | 0 |
| Nov | 100 | 0 |
| Dec | 100 | 0 |
Growing degree days
Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Mernda banks about 1,380 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around January.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Growing degree days (°C·days) | 285 | 256 | 221 | 114 | 28 | 0 | 0 | 0 | 19 | 83 | 154 | 222 |
| Growing degree days (°C·days) | |
|---|---|
| Jan | 285 |
| Feb | 256 |
| Mar | 221 |
| Apr | 114 |
| May | 28 |
| Jun | 0 |
| Jul | 0 |
| Aug | 0 |
| Sep | 19 |
| Oct | 83 |
| Nov | 154 |
| Dec | 222 |
Solar energy
Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.
Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.
Mernda receives about 4.4 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 1.8 and 7.4 kWh/m².
The brighter stretch of the year lasts 5.9 months, from around Sep 26 to Mar 23. The brightest month is January, averaging about 7.1 kWh/m² (intense).
The dimmest month is June, down near 1.8 kWh/m² — roughly 74% less than the January peak.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.2 | 6.2 | 4.9 | 3.4 | 2.3 | 1.8 | 2.0 | 2.8 | 4.0 | 5.3 | 6.3 | 7.0 |
| Level | Intense | Intense | Bright | Moderate | Moderate | Dim | Moderate | Moderate | Moderate | Bright | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| Jan | 7.2 | Intense |
| Feb | 6.2 | Intense |
| Mar | 4.9 | Bright |
| Apr | 3.4 | Moderate |
| May | 2.3 | Moderate |
| Jun | 1.8 | Dim |
| Jul | 2.0 | Moderate |
| Aug | 2.8 | Moderate |
| Sep | 4.0 | Moderate |
| Oct | 5.3 | Bright |
| Nov | 6.3 | Intense |
| Dec | 7.0 | Intense |
Where is Mernda?
Mernda sits at 37.6°S, 145.1°E, 167 m above sea level, in Australia. The nearest listed city is Doreen, 5.0 km away.
Topography around Mernda
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mernda.
Within 3 km, the terrain around Mernda has only modest variations in elevation — a maximum elevation change of 132 m around an average of 175 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 550 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,509 m.
The land around Mernda is covered by grassland (47%) and artificial surfaces (33%) within 3 km, grassland (46%) and trees (34%) within 16 km, and grassland (40%) and trees (39%) within 80 km.
Australia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 90% of US
- price level, 2025
- GDP per capita
- $65,130
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Homicide rate
- 0.9
- per 100k, 2023
- Road deaths
- 4.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mernda (-37.6007°, 145.0956°, elevation 167 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).