Brisbane in December
December is right in the heart of summer for Brisbane, and the weather has a definite personality this time of year.
Daytime highs average 29.3 degrees, dropping to 20.5 degrees overnight. That's a 9-degree swing between day and night. Warm days and warm nights. It doesn't cool down much, even after sunset.
At 29.3 degrees, December runs 3.6 degrees above Brisbane's annual average of 25.7 degrees.
You're looking at 242mm of rain across 16 days in a typical December. When it rains here, it means it.
Solar exposure averages 23.4 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.
The Comfort Score is 5.2/10 for December. It's fine, but not the highlight of the calendar.
For your suitcase: t-shirts with a light layer for evenings, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
The sea breeze usually kicks in by early afternoon in December, which is genuinely welcome. It can knock 3 to 5 degrees off the feels-like temperature.
Check the data table below for the full picture, or compare Brisbane 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
- Comfortable casual wear suitable for warm days
- Proper rain gear for frequent showers
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How December in Brisbane stacks up against major cities around the world.
About 21 degrees warmer and considerably wetter.
About 23 degrees warmer and considerably wetter.
About 17 degrees warmer and considerably wetter.
How December Compares
Brisbane's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 29.4 | 21.6 | 268mm | 4.4 |
| Feb | 29.2 | 21.2 | 130mm | 5.7 |
| Mar | 27.0 | 19.3 | 175mm | 6.3 |
| Apr | 25.6 | 16.6 | 137mm | 7.9 |
| May | 22.6 | 13.5 | 34mm | 8.4 |
| Jun | 21.5 | 10.0 | 18mm | 8.5 |
| Jul | 20.1 | 9.9 | 31mm | 7.2 |
| Aug | 24.2 | 12.5 | 63mm | 9.8 |
| Sep | 25.7 | 13.0 | 81mm | 9.1 |
| Oct | 26.4 | 15.4 | 111mm | 8.4 |
| Nov | 27.8 | 19.0 | 290mm | 5.9 |
| Dec | 29.3 | 20.5 | 242mm | 5.2 |