Bruny Island in December
December in Bruny Island is peak summer, and the weather reflects it. You're looking at average daily highs of 19.1 degrees.
The average daily maximum is 19.1 degrees with overnight lows of 12.0 degrees. It's cool but manageable. A jumper handles most of it.
December is 3.0 degrees warmer than the yearly average here.
You're looking at 138mm of rain across 19 days in a typical December. That's serious rainfall.
Solar exposure averages 23.5 MJ/m2 per day in December, with UV levels in the extreme range. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
December scores a respectable 6.2/10 for overall comfort.
Packing tip: bring layers you can peel on and off, a rain jacket or compact umbrella, 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
- A jumper or light cardigan for flexibility
- Proper rain gear for frequent showers
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Bruny Island stacks up against major cities around the world.
About 11 degrees warmer and considerably wetter.
About 13 degrees warmer and considerably wetter.
About 7 degrees warmer and considerably wetter.
How December Compares
Bruny Island's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 20.2 | 13.3 | 72mm | 7.6 |
| Feb | 21.0 | 13.4 | 25mm | 8.7 |
| Mar | 19.2 | 12.5 | 38mm | 6.8 |
| Apr | 16.2 | 11.1 | 56mm | 3.8 |
| May | 14.1 | 9.7 | 44mm | 1.9 |
| Jun | 11.8 | 8.1 | 49mm | 1.0 |
| Jul | 11.7 | 7.2 | 90mm | 1.0 |
| Aug | 13.6 | 8.7 | 101mm | 1.0 |
| Sep | 13.4 | 7.7 | 78mm | 1.6 |
| Oct | 15.3 | 8.8 | 67mm | 3.8 |
| Nov | 17.5 | 10.4 | 72mm | 5.6 |
| Dec | 19.1 | 12.0 | 138mm | 6.2 |