Port Augusta in December
December is right in the heart of summer for Port Augusta, and the weather has a definite personality this time of year.
Daytime highs average 32.6 degrees, dropping to 18.2 degrees overnight. That's a 14-degree swing between day and night. That's solidly pleasant territory. Great for being outdoors.
December is 6.0 degrees warmer than the yearly average here.
Rainfall in December averages 19mm over about 3 days. That means roughly a 10% chance of rain on any given day, so you can leave the umbrella at the hotel.
Sunshine-wise, December delivers around 28.5 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.
At 5.2/10 on the Comfort Score, December is middle of the road.
For your suitcase: light, breathable clothing, something warmer for mornings and evenings, and serious sun protection.
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
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Port Augusta stacks up against major cities around the world.
About 25 degrees warmer and considerably drier.
About 27 degrees warmer and considerably drier.
About 21 degrees warmer and considerably drier.
How December Compares
Port Augusta's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 33.6 | 20.0 | 35mm | 4.2 |
| Feb | 35.7 | 19.3 | 0mm | 3.0 |
| Mar | 33.1 | 19.7 | 20mm | 4.7 |
| Apr | 23.4 | 11.6 | 3mm | 10.0 |
| May | 22.3 | 8.5 | 14mm | 9.1 |
| Jun | 16.8 | 7.5 | 28mm | 4.6 |
| Jul | 16.6 | 6.5 | 31mm | 4.4 |
| Aug | 22.5 | 9.9 | 15mm | 9.2 |
| Sep | 23.5 | 9.7 | 8mm | 10.0 |
| Oct | 28.9 | 14.3 | 19mm | 7.7 |
| Nov | 30.1 | 16.7 | 56mm | 6.5 |
| Dec | 32.6 | 18.2 | 19mm | 5.2 |