Sunbury in August
August in Sunbury is peak winter, and the weather reflects it. You're looking at average daily highs of 15.4 degrees.
The average daily maximum is 15.4 degrees with overnight lows of 7.5 degrees. Manageable with a decent layer, and you'll warm up by midday.
August is 3.4 degrees cooler than Sunbury's yearly average.
You're looking at 38mm of rain across 8 days in a typical August. Light enough that it won't ruin your plans.
Solar exposure averages 10.8 MJ/m2 per day in August, with UV levels in the moderate range. Sunscreen is still wise, especially if you burn easily.
August scores 3.4/10 on our Comfort Score. It's the tough end of the year weather-wise.
Packing tip: bring a decent jumper or fleece.
The full data breakdown is below. You can also see how other Australian cities compare in August.
August at a Glance
Temperature Range
Daily temperature range in August. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Layered clothing for mild to cool conditions
- A warm jumper or fleece for cool mornings and evenings
- A light rain jacket just in case
Coming From Overseas?
How August in Sunbury stacks up against major cities around the world.
About 9 degrees cooler and considerably drier.
About 15 degrees cooler and considerably drier.
About 16 degrees cooler and considerably drier.
How August Compares
Sunbury's monthly climate at a glance. August is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 24.0 | 13.4 | 142mm | 10.0 |
| Feb | 25.3 | 13.0 | 6mm | 10.0 |
| Mar | 24.0 | 12.5 | 10mm | 10.0 |
| Apr | 16.9 | 9.0 | 72mm | 4.2 |
| May | 15.2 | 6.9 | 40mm | 2.8 |
| Jun | 11.4 | 5.1 | 49mm | 1.0 |
| Jul | 10.8 | 5.4 | 93mm | 1.0 |
| Aug | 15.4 | 7.5 | 38mm | 3.4 |
| Sep | 15.3 | 7.3 | 68mm | 3.5 |
| Oct | 18.6 | 8.5 | 60mm | 6.6 |
| Nov | 23.1 | 11.1 | 78mm | 9.8 |
| Dec | 26.2 | 12.6 | 36mm | 9.3 |