Mount Martha in Fall
In fall (March, April and May), Mount Martha sees average daytime highs around 18°C and overnight lows near 14°C, with 169 mm of rain over about 27 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 21°C in early March to 14°C by late May. The sky is clear or mostly clear about 25% of the time across fall, and the air most often feels dry.
Fall is Mount Martha's 2nd-best season to visit on our travel score. For the whole year in context, see Mount Martha's year-round climate.
- Avg daytime high
- 18°C
- 2nd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 169 mm
- 27 wet days
- Avg wind
- 19 km/h
- Travel score
- 5.8
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Mount Martha in Fall
Over the season highs ease from about 21°C in early March to 14°C by late May.
A typical fall day in Mount Martha reaches about 18°C and drops to 14°C overnight. The warmest of the three months is March, the coolest May.
Mount Martha weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 16° | 50 | 6.4 | 14.4 | 7.3 |
| Feb | 22° / 17° | 46 | 5.8 | 13.5 | 7.3 |
| Mar | 21° / 16° | 43 | 7.3 | 12.3 | 6.9 |
| Apr | 18° / 14° | 59 | 8.8 | 11 | 6.0 |
| May | 15° / 12° | 68 | 11.2 | 10 | 4.6 |
| Jun | 13° / 10° | 70 | 11.8 | 9.4 | 3.6 |
| Jul | 12° / 9° | 62 | 12.6 | 9.6 | 3.2 |
| Aug | 13° / 9° | 71 | 13 | 10.5 | 3.4 |
| Sep | 14° / 10° | 72 | 12.6 | 11.7 | 4.0 |
| Oct | 16° / 11° | 67 | 11.1 | 13 | 4.9 |
| Nov | 18° / 13° | 64 | 9.1 | 14.1 | 5.9 |
| Dec | 20° / 15° | 59 | 8.8 | 14.6 | 6.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 25% of the time across fall.
Chance of precipitation in Fall
Mount Martha gets around 169 mm of rain over 27 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 19 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 54 min in early March to 9 h 36 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.5 kWh/m².
Is fall a good time to visit Mount Martha?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Mount Martha for sightseeing.
What to pack for Mount Martha in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Mount Martha sees daytime highs around 18°C and nights near 14°C. Worth packing: a warm layer, rain gear and sun protection. About 27 days see rain.
Sea temperature near Mount Martha in Fall
The nearest coast averages about 17°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in February at about 20°C and coldest in August near 12°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 20 | 19 | 17 | 16 | 14 | 13 | 12 | 13 | 14 | 16 | 17 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 20 | Cool |
| Mar | 19 | Cool |
| Apr | 17 | Cool |
| May | 16 | Cool |
| Jun | 14 | Bracing |
| Jul | 13 | Bracing |
| Aug | 12 | Bracing |
| Sep | 13 | Bracing |
| Oct | 14 | Bracing |
| Nov | 16 | Cool |
| Dec | 17 | Cool |
UV index in Mount Martha in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mount Martha peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 | 2 | 2 | 2 | 3 | 4 | 7 | 9 | 12 |
| Level | Extreme | Very high | Very high | Moderate | Moderate | Low | Moderate | Moderate | Moderate | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 10 | Very high |
| Mar | 8 | Very high |
| Apr | 5 | Moderate |
| May | 2 | Moderate |
| Jun | 2 | Low |
| Jul | 2 | Moderate |
| Aug | 3 | Moderate |
| Sep | 4 | Moderate |
| Oct | 7 | Very high |
| Nov | 9 | Very high |
| Dec | 12 | Extreme |
Where is Mount Martha?
Mount Martha sits at 38.3°S, 145.0°E, 11 m above sea level, in Australia. The nearest listed city is Mornington, 6.0 km away.
Topography around Mount Martha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mount Martha.
Within 3 km, the terrain around Mount Martha has only modest variations in elevation — a maximum elevation change of 161 m around an average of 34 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 311 m; within 80 km, large variations in elevation — a maximum elevation change of 1,075 m.
The land around Mount Martha is covered by water (41%) and trees (32%) within 3 km, water (47%), trees (23%) and grassland (23%) within 16 km, and water (40%) and grassland (29%) 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 Mount Martha (-38.2667°, 145.0167°, elevation 11 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.