Boronia weather in December
In December, Boronia sees average daytime highs of 23°C and overnight lows near 12°C, with 74 mm of rain across 8.8 wet days and about 14.6 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 30% of the time in December, and the air most often feels dry.
Daylight stretches from about 14 h 24 min at the start of December to 14 h 36 min by month's end. Set against the rest of the year, December is Boronia's 4th-clearest and 6th-windiest month. For the whole year in context, see Boronia's year-round climate.
- Daytime high
- 23°
- 3rd warmest
- Overnight low
- 12°
- 9th coldest
- Rainfall
- 74 mm
- 8.8 wet days
- Daylight
- 14 h 36 min
- 5:57 AM – 8:33 PM
- Cloud cover
- 59%
- 4th clearest
- Wind
- 11 km/h
- 6th windiest
- Solar energy
- 6.98 kWh/m²
- Travel score
- 7.1
- out of 10
Boronia is suburb of Melbourne, Victoria, Australia.
- Density
- 2,089/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs climb over the month, from about 22°C in the first days to 24°C by the end.
A typical December day in Boronia reaches about 23°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 31°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg low (°C) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 11 |
| 2 | 22 | 11 |
| 3 | 22 | 11 |
| 4 | 23 | 11 |
| 5 | 23 | 11 |
| 6 | 23 | 11 |
| 7 | 23 | 11 |
| 8 | 23 | 11 |
| 9 | 23 | 11 |
| 10 | 23 | 11 |
| 11 | 23 | 11 |
| 12 | 23 | 11 |
| 13 | 23 | 11 |
| 14 | 23 | 11 |
| 15 | 23 | 11 |
| 16 | 23 | 12 |
| 17 | 23 | 12 |
| 18 | 23 | 12 |
| 19 | 23 | 12 |
| 20 | 24 | 12 |
| 21 | 24 | 12 |
| 22 | 24 | 12 |
| 23 | 24 | 12 |
| 24 | 24 | 12 |
| 25 | 24 | 12 |
| 26 | 24 | 12 |
| 27 | 24 | 12 |
| 28 | 24 | 12 |
| 29 | 24 | 12 |
| 30 | 24 | 13 |
| 31 | 24 | 13 |
Boronia weather by month
How December compares with the rest of the year at a glance. December is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 13° | 58 | 7.3 | 14.3 | 7.4 |
| Feb | 25° / 14° | 52 | 6.2 | 13.5 | 7.5 |
| Mar | 23° / 12° | 45 | 7.1 | 12.3 | 7.4 |
| Apr | 19° / 10° | 59 | 8.2 | 11 | 6.3 |
| May | 16° / 8° | 60 | 10.4 | 10 | 4.7 |
| Jun | 13° / 6° | 65 | 11.6 | 9.4 | 3.4 |
| Jul | 12° / 6° | 63 | 12.9 | 9.6 | 3.0 |
| Aug | 13° / 6° | 77 | 13.8 | 10.5 | 3.5 |
| Sep | 16° / 7° | 82 | 13.4 | 11.7 | 4.5 |
| Oct | 18° / 8° | 79 | 12.1 | 13 | 5.6 |
| Nov | 21° / 10° | 78 | 10.3 | 14 | 6.3 |
| Dec | 23° / 12° | 74 | 8.8 | 14.6 | 7.1 |
Cloud cover in December
The sky is clear or mostly clear about 30% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 46 | 45 | 45 | 45 | 46 | 45 | 45 | 44 | 45 | 44 | 44 | 45 | 46 | 46 | 45 | 47 | 47 | 48 | 49 | 49 | 50 | 51 | 51 |
| Cloudier (%) | 56 | 56 | 56 | 55 | 55 | 55 | 55 | 55 | 54 | 55 | 55 | 55 | 54 | 55 | 55 | 56 | 55 | 56 | 56 | 55 | 54 | 54 | 55 | 53 | 53 | 52 | 51 | 51 | 50 | 49 | 49 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 44 | 56 |
| 3 | 44 | 56 |
| 4 | 45 | 55 |
| 5 | 45 | 55 |
| 6 | 45 | 55 |
| 7 | 45 | 55 |
| 8 | 45 | 55 |
| 9 | 46 | 54 |
| 10 | 45 | 55 |
| 11 | 45 | 55 |
| 12 | 45 | 55 |
| 13 | 46 | 54 |
| 14 | 45 | 55 |
| 15 | 45 | 55 |
| 16 | 44 | 56 |
| 17 | 45 | 55 |
| 18 | 44 | 56 |
| 19 | 44 | 56 |
| 20 | 45 | 55 |
| 21 | 46 | 54 |
| 22 | 46 | 54 |
| 23 | 45 | 55 |
| 24 | 47 | 53 |
| 25 | 47 | 53 |
| 26 | 48 | 52 |
| 27 | 49 | 51 |
| 28 | 49 | 51 |
| 29 | 50 | 50 |
| 30 | 51 | 49 |
| 31 | 51 | 49 |
Chance of precipitation in December
Boronia gets around 74 mm of rain over 8.8 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 29% and peaks near 32% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 |
| Rain chance (%) | |
|---|---|
| 1 | 32 |
| 2 | 32 |
| 3 | 32 |
| 4 | 32 |
| 5 | 31 |
| 6 | 31 |
| 7 | 30 |
| 8 | 30 |
| 9 | 30 |
| 10 | 29 |
| 11 | 29 |
| 12 | 29 |
| 13 | 28 |
| 14 | 28 |
| 15 | 28 |
| 16 | 28 |
| 17 | 28 |
| 18 | 28 |
| 19 | 28 |
| 20 | 28 |
| 21 | 28 |
| 22 | 28 |
| 23 | 28 |
| 24 | 27 |
| 25 | 27 |
| 26 | 27 |
| 27 | 27 |
| 28 | 26 |
| 29 | 26 |
| 30 | 26 |
| 31 | 26 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 79% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 83 | 83 | 83 | 83 | 83 | 82 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 80 | 79 | 79 | 79 | 79 | 79 | 79 | 77 | 77 | 77 | 77 | 76 | 76 | 75 | 74 | 73 | 73 | 72 |
| Comfortable (%) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 20 | 20 | 21 |
| Humid (%) | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 83 | 14 | 3 | 0 |
| 2 | 83 | 14 | 3 | 0 |
| 3 | 83 | 14 | 3 | 0 |
| 4 | 83 | 14 | 3 | 0 |
| 5 | 83 | 14 | 3 | 0 |
| 6 | 82 | 14 | 4 | 0 |
| 7 | 82 | 14 | 4 | 0 |
| 8 | 82 | 14 | 4 | 0 |
| 9 | 82 | 14 | 4 | 0 |
| 10 | 82 | 14 | 4 | 0 |
| 11 | 81 | 15 | 4 | 0 |
| 12 | 81 | 15 | 4 | 0 |
| 13 | 81 | 15 | 4 | 0 |
| 14 | 80 | 16 | 4 | 0 |
| 15 | 79 | 16 | 5 | 0 |
| 16 | 79 | 16 | 5 | 0 |
| 17 | 79 | 16 | 5 | 0 |
| 18 | 79 | 16 | 5 | 0 |
| 19 | 79 | 16 | 5 | 0 |
| 20 | 79 | 16 | 5 | 0 |
| 21 | 77 | 17 | 6 | 0 |
| 22 | 77 | 17 | 6 | 0 |
| 23 | 77 | 17 | 6 | 0 |
| 24 | 77 | 17 | 6 | 0 |
| 25 | 76 | 18 | 6 | 0 |
| 26 | 76 | 18 | 6 | 0 |
| 27 | 75 | 18 | 6 | 1 |
| 28 | 74 | 19 | 6 | 1 |
| 29 | 73 | 20 | 6 | 1 |
| 30 | 73 | 20 | 6 | 1 |
| 31 | 72 | 21 | 6 | 1 |
Wind in December
Winds average 11 km/h in December.
Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
| 31 | 12 | calm |
Sunrise & sunset in December
Daylight runs from about 14 h 24 min at the start of December to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over December. Sunrise moves from 5:56 AM to 6:04 AM, and sunset from 8:22 PM to 8:40 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 |
| Sunrise (AM) | 5:56 | 5:56 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:57 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:04 | 6:04 |
| Sunset (PM) | 8:22 | 8:22 | 8:23 | 8:24 | 8:25 | 8:26 | 8:27 | 8:28 | 8:28 | 8:29 | 8:30 | 8:31 | 8:31 | 8:32 | 8:33 | 8:33 | 8:34 | 8:35 | 8:35 | 8:36 | 8:36 | 8:37 | 8:37 | 8:38 | 8:38 | 8:38 | 8:39 | 8:39 | 8:39 | 8:40 | 8:40 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.4 | 5:56 | 8:22 |
| 2 | 14.4 | 5:56 | 8:22 |
| 3 | 14.5 | 5:55 | 8:23 |
| 4 | 14.5 | 5:55 | 8:24 |
| 5 | 14.5 | 5:55 | 8:25 |
| 6 | 14.5 | 5:55 | 8:26 |
| 7 | 14.5 | 5:55 | 8:27 |
| 8 | 14.5 | 5:55 | 8:28 |
| 9 | 14.6 | 5:55 | 8:28 |
| 10 | 14.6 | 5:55 | 8:29 |
| 11 | 14.6 | 5:56 | 8:30 |
| 12 | 14.6 | 5:56 | 8:31 |
| 13 | 14.6 | 5:56 | 8:31 |
| 14 | 14.6 | 5:56 | 8:32 |
| 15 | 14.6 | 5:56 | 8:33 |
| 16 | 14.6 | 5:57 | 8:33 |
| 17 | 14.6 | 5:57 | 8:34 |
| 18 | 14.6 | 5:57 | 8:35 |
| 19 | 14.6 | 5:58 | 8:35 |
| 20 | 14.6 | 5:58 | 8:36 |
| 21 | 14.6 | 5:59 | 8:36 |
| 22 | 14.6 | 5:59 | 8:37 |
| 23 | 14.6 | 6:00 | 8:37 |
| 24 | 14.6 | 6:00 | 8:38 |
| 25 | 14.6 | 6:01 | 8:38 |
| 26 | 14.6 | 6:01 | 8:38 |
| 27 | 14.6 | 6:02 | 8:39 |
| 28 | 14.6 | 6:02 | 8:39 |
| 29 | 14.6 | 6:03 | 8:39 |
| 30 | 14.6 | 6:04 | 8:40 |
| 31 | 14.6 | 6:04 | 8:40 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 6.98 kWh/m².
For context, solar energy here swings from a low near 1.76 kWh/m² to a high of 7.2 kWh/m² in January across the year — December's 6.98 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.1 | 7.1 | 7.1 | 7.1 | 7.2 | 7.2 | 7.2 | 7.3 | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.8 | Intense |
| 2 | 6.8 | Intense |
| 3 | 6.8 | Intense |
| 4 | 6.8 | Intense |
| 5 | 6.8 | Intense |
| 6 | 6.8 | Intense |
| 7 | 6.8 | Intense |
| 8 | 6.9 | Intense |
| 9 | 6.9 | Intense |
| 10 | 6.9 | Intense |
| 11 | 6.9 | Intense |
| 12 | 6.9 | Intense |
| 13 | 7.0 | Intense |
| 14 | 7.0 | Intense |
| 15 | 7.0 | Intense |
| 16 | 7.0 | Intense |
| 17 | 7.0 | Intense |
| 18 | 7.1 | Intense |
| 19 | 7.1 | Intense |
| 20 | 7.1 | Intense |
| 21 | 7.1 | Intense |
| 22 | 7.2 | Intense |
| 23 | 7.2 | Intense |
| 24 | 7.2 | Intense |
| 25 | 7.3 | Intense |
| 26 | 7.3 | Intense |
| 27 | 7.3 | Intense |
| 28 | 7.4 | Intense |
| 29 | 7.4 | Intense |
| 30 | 7.4 | Intense |
| 31 | 7.4 | Intense |
Hazard calendar for Boronia
In December, Boronia sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Boronia sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is December a good time to visit Boronia?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit Boronia for general sightseeing.
What to pack for Boronia in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Boronia sees daytime highs around 23°C and nights near 12°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.
Sea temperature near Boronia in December
The nearest coast averages about 18°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 32 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 18 to Mar 11 — about 1.7 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 | 18 |
| 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 | 18 | Cool |
UV index in Boronia in December
Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Boronia peaks around December 19 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 | 3 | 2 | 2 | 3 | 4 | 7 | 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 | 4 | Moderate |
| Oct | 7 | Very high |
| Nov | 10 | Very high |
| Dec | 12 | Extreme |
Air quality in Boronia in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Boronia is worst in April — around 24 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (July, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 6 | 18 | 24 | 8 | 5 | 5 | 6 | 7 | 7 | 7 | 7 |
| Level | Good | Good | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 6 | Good |
| Mar | 18 | Moderate |
| Apr | 24 | Moderate |
| May | 8 | Good |
| Jun | 5 | Good |
| Jul | 5 | Good |
| Aug | 6 | Good |
| Sep | 7 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Boronia?
Boronia sits at 37.9°S, 145.3°E, 109 m above sea level, in Australia. The nearest listed city is Ferntree Gully, 2.0 km away.
Topography around Boronia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boronia.
Within 3 km, the terrain around Boronia has significant variations in elevation — a maximum elevation change of 436 m around an average of 135 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 620 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,509 m.
The land around Boronia is covered by trees (60%) and artificial surfaces (36%) within 3 km, trees (60%) and artificial surfaces (24%) within 16 km, and trees (38%) and grassland (34%) 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 Boronia (-37.8667°, 145.2833°, elevation 109 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).