Adelaide in January
January is right in the heart of summer for Adelaide, and the weather has a definite personality this time of year.
The average daily maximum is 26.8 degrees with overnight lows of 16.1 degrees. That's solidly pleasant territory. Great for being outdoors.
January is 5.3 degrees warmer than the yearly average here.
The rain data says 85mm over 6 days. Moderate, often falling in a few good dumps rather than constant drizzle.
Sunshine-wise, January delivers around 27.1 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.
January earns a 8.7/10 on our Comfort Score. This is prime time.
For your suitcase: a mix of short and long sleeves, waterproof gear, and serious sun protection.
Scroll down for the detailed climate data, or explore what nearby cities are like in January.
January at a Glance
Temperature Range
Daily temperature range in January. 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 January in Adelaide stacks up against major cities around the world.
About 19 degrees warmer and considerably wetter.
About 23 degrees warmer and considerably wetter.
About 17 degrees warmer and considerably wetter.
How January Compares
Adelaide's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 26.8 | 16.1 | 85mm | 8.7 |
| Feb | 28.1 | 15.4 | 0mm | 8.6 |
| Mar | 27.9 | 16.1 | 1mm | 8.6 |
| Apr | 19.6 | 10.4 | 19mm | 7.2 |
| May | 19.2 | 8.1 | 16mm | 6.8 |
| Jun | 14.4 | 7.5 | 104mm | 1.6 |
| Jul | 14.1 | 7.9 | 74mm | 1.9 |
| Aug | 17.4 | 9.9 | 53mm | 4.7 |
| Sep | 17.7 | 8.9 | 45mm | 5.5 |
| Oct | 22.2 | 11.5 | 19mm | 9.8 |
| Nov | 24.3 | 14.2 | 29mm | 10.0 |
| Dec | 26.8 | 16.1 | 11mm | 9.3 |