Whyalla in January
Planning a trip to Whyalla in January? Here's the honest weather briefing for what summer looks like on the ground.
Daytime highs average 30.9 degrees, dropping to 18.7 degrees overnight. That's a 12-degree swing between day and night. That's solidly pleasant territory. Great for being outdoors.
At 30.9 degrees, January runs 5.7 degrees above Whyalla's annual average of 25.2 degrees.
The rain data says 34mm over 5 days. Light enough that it won't ruin your plans.
Sunshine-wise, January delivers around 26.2 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 scores a respectable 6.2/10 for overall comfort.
For your suitcase: loose cotton or linen gear, something warmer for mornings and evenings, and serious sun protection.
Check the data table below for the full picture, or compare Whyalla in January with another destination.
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
- Light, breathable clothing and a wide-brimmed hat
- A light rain jacket just in case
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How January in Whyalla stacks up against major cities around the world.
About 23 degrees warmer and considerably drier.
About 27 degrees warmer and considerably drier.
About 21 degrees warmer and considerably drier.
How January Compares
Whyalla's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.9 | 18.7 | 34mm | 6.2 |
| Feb | 33.4 | 18.1 | 0mm | 4.9 |
| Mar | 30.5 | 18.8 | 9mm | 6.5 |
| Apr | 22.2 | 12.2 | 4mm | 9.5 |
| May | 21.2 | 9.1 | 7mm | 8.3 |
| Jun | 16.9 | 7.6 | 28mm | 4.5 |
| Jul | 16.8 | 6.5 | 25mm | 4.8 |
| Aug | 22.0 | 9.4 | 14mm | 8.8 |
| Sep | 22.5 | 9.6 | 12mm | 9.7 |
| Oct | 27.0 | 13.1 | 22mm | 9.0 |
| Nov | 28.3 | 15.4 | 36mm | 8.0 |
| Dec | 30.6 | 17.3 | 6mm | 6.7 |