Canberra in December
December in Canberra is peak summer, and the weather reflects it. You're looking at average daily highs of 27.4 degrees.
Expect the mercury to hit around 27.4 degrees during the day and settle at 13.9 degrees after dark. Enough to keep you on your toes with the wardrobe. Comfortable during the day, with evenings that invite a light layer.
At 27.4 degrees, December runs 7.8 degrees above Canberra's annual average of 19.6 degrees.
The rain data says 60mm over 8 days. Light enough that it won't ruin your plans.
Sunshine-wise, December delivers around 29.3 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.
Our Comfort Score rates December at 8.3/10. That's about as good as it gets.
Packing tip: bring t-shirts with a light layer for evenings, something warmer for mornings and evenings, and serious sun protection.
Scroll down for the detailed climate data, or explore what nearby cities are like 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 light rain jacket just in case
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Canberra stacks up against major cities around the world.
About 19 degrees warmer and considerably wetter.
About 21 degrees warmer and considerably drier.
About 15 degrees warmer and considerably wetter.
How December Compares
Canberra's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 25.4 | 15.0 | 105mm | 9.2 |
| Feb | 26.4 | 14.6 | 51mm | 9.1 |
| Mar | 25.1 | 12.2 | 22mm | 10.0 |
| Apr | 18.2 | 7.5 | 54mm | 5.9 |
| May | 14.9 | 4.8 | 45mm | 3.1 |
| Jun | 10.8 | 1.2 | 50mm | 1.0 |
| Jul | 10.7 | 1.7 | 44mm | 1.0 |
| Aug | 14.3 | 3.6 | 25mm | 2.6 |
| Sep | 16.3 | 4.4 | 26mm | 5.2 |
| Oct | 20.5 | 6.8 | 26mm | 8.6 |
| Nov | 25.4 | 13.0 | 88mm | 9.7 |
| Dec | 27.4 | 13.9 | 60mm | 8.3 |