Ballarat in December
December is right in the heart of summer for Ballarat, and the weather has a definite personality this time of year.
The average daily maximum is 23.9 degrees with overnight lows of 10.8 degrees. Comfortable during the day, with evenings that invite a light layer.
At 23.9 degrees, December runs 6.3 degrees above Ballarat's annual average of 17.6 degrees.
You're looking at 42mm of rain across 10 days in a typical December. Nothing dramatic.
Sunshine-wise, December delivers around 26.9 MJ/m2 of daily solar radiation. UV sits in the extreme category. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
December earns a 10.0/10 on our Comfort Score. This is prime time.
For your suitcase: a mix of short and long sleeves, something warmer for mornings and evenings, and serious sun protection.
The full data breakdown is below. You can also see how other Australian cities compare in December.
December at a Glance
Temperature Range
Daily temperature range in December. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Comfortable casual wear suitable for warm days
- A waterproof jacket or compact umbrella
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How December in Ballarat stacks up against major cities around the world.
About 16 degrees warmer and considerably drier.
About 18 degrees warmer and considerably drier.
About 12 degrees warmer and considerably drier.
How December Compares
Ballarat's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 23.5 | 12.3 | 78mm | 10.0 |
| Feb | 25.2 | 11.7 | 4mm | 10.0 |
| Mar | 23.5 | 11.3 | 10mm | 10.0 |
| Apr | 15.3 | 7.5 | 68mm | 3.0 |
| May | 14.2 | 6.3 | 36mm | 2.3 |
| Jun | 10.0 | 3.8 | 26mm | 1.0 |
| Jul | 9.8 | 4.1 | 88mm | 1.0 |
| Aug | 13.4 | 6.1 | 58mm | 1.6 |
| Sep | 13.2 | 5.7 | 77mm | 1.4 |
| Oct | 17.1 | 7.3 | 84mm | 5.3 |
| Nov | 21.5 | 9.8 | 77mm | 8.7 |
| Dec | 23.9 | 10.8 | 42mm | 10.0 |