Cooma in December
So, what's Cooma actually like in December? In a word: comfortable. It's summer, and the days are averaging 25.8 degrees.
The average daily maximum is 25.8 degrees with overnight lows of 11.4 degrees. That's solidly pleasant territory. Great for being outdoors.
December is 7.5 degrees warmer than the yearly average here.
You're looking at 44mm of rain across 7 days in a typical December. Nothing dramatic.
Sunshine-wise, December delivers around 29.5 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 9.6/10. That's about as good as it gets.
For your suitcase: a mix of short and long sleeves, something warmer for mornings and evenings, and serious sun protection.
Check the data table below for the full picture, or compare Cooma in December with another destination.
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
- T-shirts and shorts for daytime
- A light rain jacket just in case
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How December in Cooma stacks up against major cities around the world.
About 18 degrees warmer and considerably drier.
About 20 degrees warmer and considerably drier.
About 14 degrees warmer and considerably drier.
How December Compares
Cooma's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 24.5 | 12.8 | 110mm | 9.8 |
| Feb | 25.3 | 12.1 | 57mm | 9.8 |
| Mar | 23.5 | 10.2 | 18mm | 10.0 |
| Apr | 17.1 | 6.3 | 42mm | 5.2 |
| May | 13.3 | 3.8 | 56mm | 1.6 |
| Jun | 9.1 | 1.1 | 42mm | 1.0 |
| Jul | 9.2 | 0.6 | 28mm | 1.0 |
| Aug | 13.6 | 2.2 | 18mm | 1.8 |
| Sep | 15.1 | 3.0 | 24mm | 3.8 |
| Oct | 18.8 | 5.3 | 42mm | 7.1 |
| Nov | 23.8 | 10.9 | 94mm | 10.0 |
| Dec | 25.8 | 11.4 | 44mm | 9.6 |