Darwin in December
December is right in the heart of summer for Darwin, and the weather has a definite personality this time of year.
Expect the mercury to hit around 31.5 degrees during the day and settle at 26.5 degrees after dark. The temperature stays pretty consistent through the day. Warm days and warm nights. It doesn't cool down much, even after sunset.
December's temperature is very close to the annual average for Darwin.
Rainfall in December averages 253mm over about 29 days. That means roughly a 97% chance of rain on any given day, so definitely bring rain gear.
Solar exposure averages 20.5 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 2.9/10 on our Comfort Score. It's the tough end of the year weather-wise.
For your suitcase: loose cotton or linen gear, waterproof gear, and serious sun protection.
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.
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
- Light, breathable clothing and a wide-brimmed hat
- A waterproof jacket or compact umbrella
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Darwin stacks up against major cities around the world.
About 24 degrees warmer and considerably wetter.
About 26 degrees warmer and considerably wetter.
About 20 degrees warmer and considerably wetter.
How December Compares
Darwin's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 29.9 | 26.3 | 750mm | 3.2 |
| Feb | 30.4 | 26.5 | 275mm | 3.4 |
| Mar | 30.0 | 26.3 | 356mm | 3.4 |
| Apr | 32.3 | 25.4 | 38mm | 4.8 |
| May | 32.5 | 25.0 | 4mm | 5.2 |
| Jun | 30.0 | 21.4 | 0mm | 6.9 |
| Jul | 29.6 | 21.4 | 4mm | 7.1 |
| Aug | 30.8 | 22.7 | 3mm | 6.6 |
| Sep | 31.9 | 24.8 | 36mm | 5.3 |
| Oct | 32.2 | 26.2 | 95mm | 4.4 |
| Nov | 31.2 | 25.9 | 147mm | 4.0 |
| Dec | 31.5 | 26.5 | 253mm | 2.9 |