Baulkham Hills weather in March
In March, Baulkham Hills sees average daytime highs of 26°C and overnight lows near 17°C, with 66 mm of rain across 10.6 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.
Highs ease over the month, from about 26°C in the first days to 25°C by the end. The sky is clear or mostly clear about 35% of the time in March, and the air most often feels humid.
Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Baulkham Hills's 8th-clearest and 10th-windiest month. For the whole year in context, see Baulkham Hills's year-round climate.
- Daytime high
- 26°
- 4th warmest
- Overnight low
- 17°
- 9th coldest
- Rainfall
- 66 mm
- 10.6 wet days
- Daylight
- 12 h 18 min
- 6:58 AM – 7:13 PM
- Cloud cover
- 54%
- 8th clearest
- Wind
- 10 km/h
- 10th windiest
- Solar energy
- 4.66 kWh/m²
- Travel score
- 6.8
- out of 10
Baulkham Hills is suburb of Sydney, New South Wales, Australia.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs ease over the month, from about 26°C in the first days to 25°C by the end.
A typical March day in Baulkham Hills reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, March runs about 2°C cooler than February and about 3°C warmer than April.
| 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) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 18 |
| 2 | 26 | 18 |
| 3 | 26 | 18 |
| 4 | 26 | 18 |
| 5 | 26 | 18 |
| 6 | 26 | 18 |
| 7 | 26 | 18 |
| 8 | 26 | 17 |
| 9 | 26 | 17 |
| 10 | 26 | 17 |
| 11 | 26 | 17 |
| 12 | 26 | 17 |
| 13 | 26 | 17 |
| 14 | 26 | 17 |
| 15 | 26 | 17 |
| 16 | 26 | 17 |
| 17 | 26 | 17 |
| 18 | 26 | 17 |
| 19 | 26 | 17 |
| 20 | 26 | 16 |
| 21 | 26 | 16 |
| 22 | 25 | 16 |
| 23 | 25 | 16 |
| 24 | 25 | 16 |
| 25 | 25 | 16 |
| 26 | 25 | 16 |
| 27 | 25 | 16 |
| 28 | 25 | 16 |
| 29 | 25 | 15 |
| 30 | 25 | 15 |
| 31 | 25 | 15 |
Baulkham Hills weather by month
How March compares with the rest of the year at a glance. March is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 19° | 66 | 9.1 | 14 | 6.2 |
| Feb | 27° / 19° | 84 | 10 | 13.3 | 6.3 |
| Mar | 26° / 17° | 66 | 10.6 | 12.3 | 6.8 |
| Apr | 23° / 13° | 51 | 7.8 | 11.2 | 7.4 |
| May | 20° / 10° | 45 | 6.3 | 10.3 | 7.1 |
| Jun | 18° / 8° | 61 | 7.4 | 9.8 | 6.3 |
| Jul | 17° / 7° | 35 | 5.7 | 10 | 6.5 |
| Aug | 19° / 7° | 35 | 5.2 | 10.7 | 7.2 |
| Sep | 22° / 10° | 39 | 6.1 | 11.8 | 7.5 |
| Oct | 24° / 13° | 49 | 7.3 | 12.8 | 7.5 |
| Nov | 25° / 15° | 66 | 8.6 | 13.8 | 7.0 |
| Dec | 27° / 17° | 58 | 8.7 | 14.2 | 6.7 |
Cloud cover in March
The sky is clear or mostly clear about 35% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 20% of March, with mostly cloudy or overcast conditions the remaining 45%. 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 (%) | 48 | 47 | 48 | 48 | 48 | 50 | 51 | 52 | 53 | 53 | 55 | 56 | 56 | 56 | 56 | 57 | 56 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 59 | 59 | 61 | 61 | 62 |
| Cloudier (%) | 52 | 53 | 52 | 52 | 52 | 50 | 49 | 48 | 47 | 47 | 45 | 44 | 44 | 44 | 44 | 43 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 39 | 39 | 38 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 48 | 52 |
| 2 | 47 | 53 |
| 3 | 48 | 52 |
| 4 | 48 | 52 |
| 5 | 48 | 52 |
| 6 | 50 | 50 |
| 7 | 51 | 49 |
| 8 | 52 | 48 |
| 9 | 53 | 47 |
| 10 | 53 | 47 |
| 11 | 55 | 45 |
| 12 | 56 | 44 |
| 13 | 56 | 44 |
| 14 | 56 | 44 |
| 15 | 56 | 44 |
| 16 | 57 | 43 |
| 17 | 56 | 44 |
| 18 | 57 | 43 |
| 19 | 57 | 43 |
| 20 | 57 | 43 |
| 21 | 57 | 43 |
| 22 | 57 | 43 |
| 23 | 57 | 43 |
| 24 | 57 | 43 |
| 25 | 58 | 42 |
| 26 | 58 | 42 |
| 27 | 59 | 41 |
| 28 | 59 | 41 |
| 29 | 61 | 39 |
| 30 | 61 | 39 |
| 31 | 62 | 38 |
Chance of precipitation in March
Baulkham Hills gets around 66 mm of rain over 10.6 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 34% and peaks near 36% 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 (%) | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 31 |
| Rain chance (%) | |
|---|---|
| 1 | 36 |
| 2 | 36 |
| 3 | 36 |
| 4 | 36 |
| 5 | 36 |
| 6 | 36 |
| 7 | 35 |
| 8 | 35 |
| 9 | 35 |
| 10 | 34 |
| 11 | 34 |
| 12 | 34 |
| 13 | 34 |
| 14 | 33 |
| 15 | 33 |
| 16 | 33 |
| 17 | 33 |
| 18 | 33 |
| 19 | 33 |
| 20 | 33 |
| 21 | 33 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 33 |
| 26 | 33 |
| 27 | 33 |
| 28 | 33 |
| 29 | 32 |
| 30 | 32 |
| 31 | 31 |
Humidity in March
Most of March feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the humid band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.
| 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 (%) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 21 | 22 | 23 | 24 | 26 | 27 | 28 | 29 |
| Comfortable (%) | 22 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 34 | 34 |
| Humid (%) | 44 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 44 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 |
| Muggy (%) | 25 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 8 | 7 |
| Oppressive (%) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 7 | 22 | 44 | 25 | 2 |
| 2 | 7 | 23 | 45 | 24 | 2 |
| 3 | 7 | 23 | 45 | 24 | 2 |
| 4 | 7 | 24 | 45 | 23 | 1 |
| 5 | 7 | 24 | 45 | 23 | 1 |
| 6 | 7 | 24 | 46 | 22 | 1 |
| 7 | 7 | 25 | 46 | 21 | 1 |
| 8 | 8 | 25 | 46 | 21 | 1 |
| 9 | 8 | 26 | 46 | 20 | 1 |
| 10 | 8 | 26 | 46 | 19 | 1 |
| 11 | 9 | 26 | 46 | 18 | 1 |
| 12 | 9 | 27 | 46 | 17 | 1 |
| 13 | 10 | 27 | 45 | 17 | 1 |
| 14 | 10 | 28 | 45 | 16 | 1 |
| 15 | 11 | 28 | 44 | 15 | 1 |
| 16 | 12 | 28 | 44 | 15 | 1 |
| 17 | 13 | 28 | 43 | 14 | 1 |
| 18 | 14 | 28 | 42 | 14 | 1 |
| 19 | 15 | 29 | 41 | 14 | 1 |
| 20 | 16 | 29 | 40 | 13 | 1 |
| 21 | 17 | 29 | 39 | 13 | 1 |
| 22 | 18 | 30 | 38 | 13 | 1 |
| 23 | 19 | 30 | 37 | 12 | 1 |
| 24 | 21 | 30 | 36 | 12 | 1 |
| 25 | 22 | 31 | 35 | 11 | 1 |
| 26 | 23 | 31 | 34 | 11 | 1 |
| 27 | 24 | 32 | 33 | 10 | 1 |
| 28 | 26 | 32 | 32 | 9 | 1 |
| 29 | 27 | 33 | 31 | 9 | 1 |
| 30 | 28 | 34 | 30 | 8 | 0 |
| 31 | 29 | 34 | 29 | 7 | 0 |
Wind in March
Winds average 10 km/h in March.
Across March, daily wind ranges from about 9 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in March
Daylight runs from about 12 h 48 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over March. Sunrise moves from 6:46 AM to 7:09 AM, and sunset from 7:33 PM to 6:53 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) | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.7 |
| Sunrise (AM) | 6:46 | 6:46 | 6:47 | 6:48 | 6:49 | 6:50 | 6:51 | 6:51 | 6:52 | 6:53 | 6:54 | 6:55 | 6:56 | 6:56 | 6:57 | 6:58 | 6:59 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:03 | 7:04 | 7:05 | 7:06 | 7:06 | 7:07 | 7:08 | 7:09 | 7:09 |
| Sunset (PM) | 7:33 | 7:32 | 7:30 | 7:29 | 7:28 | 7:27 | 7:25 | 7:24 | 7:23 | 7:22 | 7:20 | 7:19 | 7:18 | 7:16 | 7:15 | 7:13 | 7:12 | 7:11 | 7:09 | 7:08 | 7:07 | 7:05 | 7:04 | 7:02 | 7:01 | 7:00 | 6:58 | 6:57 | 6:55 | 6:54 | 6:53 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 6:46 | 7:33 |
| 2 | 12.8 | 6:46 | 7:32 |
| 3 | 12.7 | 6:47 | 7:30 |
| 4 | 12.7 | 6:48 | 7:29 |
| 5 | 12.6 | 6:49 | 7:28 |
| 6 | 12.6 | 6:50 | 7:27 |
| 7 | 12.6 | 6:51 | 7:25 |
| 8 | 12.5 | 6:51 | 7:24 |
| 9 | 12.5 | 6:52 | 7:23 |
| 10 | 12.5 | 6:53 | 7:22 |
| 11 | 12.4 | 6:54 | 7:20 |
| 12 | 12.4 | 6:55 | 7:19 |
| 13 | 12.4 | 6:56 | 7:18 |
| 14 | 12.3 | 6:56 | 7:16 |
| 15 | 12.3 | 6:57 | 7:15 |
| 16 | 12.3 | 6:58 | 7:13 |
| 17 | 12.2 | 6:59 | 7:12 |
| 18 | 12.2 | 6:59 | 7:11 |
| 19 | 12.2 | 7:00 | 7:09 |
| 20 | 12.1 | 7:01 | 7:08 |
| 21 | 12.1 | 7:02 | 7:07 |
| 22 | 12.0 | 7:03 | 7:05 |
| 23 | 12.0 | 7:03 | 7:04 |
| 24 | 12.0 | 7:04 | 7:02 |
| 25 | 11.9 | 7:05 | 7:01 |
| 26 | 11.9 | 7:06 | 7:00 |
| 27 | 11.9 | 7:06 | 6:58 |
| 28 | 11.8 | 7:07 | 6:57 |
| 29 | 11.8 | 7:08 | 6:55 |
| 30 | 11.8 | 7:09 | 6:54 |
| 31 | 11.7 | 7:09 | 6:53 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 4.66 kWh/m².
For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 6.53 kWh/m² in December across the year — March's 4.66 kWh/m² falls in the middle.
| 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) | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.1 | Bright |
| 2 | 5.0 | Bright |
| 3 | 5.0 | Bright |
| 4 | 5.0 | Bright |
| 5 | 5.0 | Bright |
| 6 | 4.9 | Bright |
| 7 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 4.8 | Bright |
| 11 | 4.8 | Bright |
| 12 | 4.8 | Bright |
| 13 | 4.8 | Bright |
| 14 | 4.8 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.7 | Bright |
| 18 | 4.7 | Bright |
| 19 | 4.6 | Bright |
| 20 | 4.6 | Bright |
| 21 | 4.6 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.4 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.3 | Bright |
| 30 | 4.3 | Bright |
| 31 | 4.3 | Bright |
Hazard calendar for Baulkham Hills
In March, Baulkham Hills sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Baulkham Hills sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is March a good time to visit Baulkham Hills?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a reasonable time to visit Baulkham Hills for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Baulkham Hills in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Baulkham Hills sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.
Sea temperature near Baulkham Hills in March
The nearest coast averages about 23°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 38 km away) is warmest in February at about 23°C and coldest in August near 18°C.
It's comfortable for a long swim from Nov 13 to Jun 7 — about 6.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 23 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 19 | 20 | 21 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 22 | Refreshing |
| May | 21 | Refreshing |
| Jun | 20 | Cool |
| Jul | 19 | Cool |
| Aug | 18 | Cool |
| Sep | 18 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Baulkham Hills in March
Clear-sky midday UV in March peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Baulkham Hills peaks around January 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 12 | 9 | 6 | 4 | 2 | 3 | 4 | 6 | 8 | 10 | 11 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 11 | Extreme |
Air quality in Baulkham Hills in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Baulkham Hills is worst in December — around 49 µg/m³ PM2.5 (poor), about 8.1× the cleanest month (June, 6 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) | 11 | 7 | 7 | 8 | 8 | 6 | 6 | 8 | 10 | 10 | 25 | 49 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 6 | Good |
| Jul | 6 | Good |
| Aug | 8 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 25 | Moderate |
| Dec | 49 | Poor |
Where is Baulkham Hills?
Baulkham Hills sits at 33.8°S, 151.0°E, 103 m above sea level, in Australia. The nearest listed city is Castle Hill, 3.0 km away.
Topography around Baulkham Hills
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Baulkham Hills.
Within 3 km, the terrain around Baulkham Hills has only modest variations in elevation — a maximum elevation change of 129 m around an average of 87 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 280 m; within 80 km, large variations in elevation — a maximum elevation change of 1,199 m.
The land around Baulkham Hills is covered by trees (63%) and artificial surfaces (33%) within 3 km, trees (49%) and artificial surfaces (38%) within 16 km, and trees (61%) and water (26%) 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 Baulkham Hills (-33.7588°, 150.9929°, elevation 103 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).