Warrnambool in January
January is right in the heart of summer for Warrnambool, and the weather has a definite personality this time of year.
Daytime highs average 21.6 degrees, dropping to 14.7 degrees overnight. That's a 7-degree swing between day and night. Comfortable during the day, with evenings that invite a light layer.
At 21.6 degrees, January runs 3.6 degrees above Warrnambool's annual average of 18.0 degrees.
Rainfall in January averages 58mm over about 10 days. That means roughly a 33% chance of rain on any given day, pack a compact umbrella just in case.
Solar exposure averages 22.7 MJ/m2 per day in January, with UV levels in the extreme range. 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.
Packing tip: bring layers you can peel on and off, and serious sun protection.
Check the data table below for the full picture, or compare Warrnambool 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
- Layered clothing for mild to cool conditions
- A waterproof jacket or compact umbrella
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How January in Warrnambool stacks up against major cities around the world.
About 14 degrees warmer and considerably wetter.
About 18 degrees warmer and considerably drier.
About 12 degrees warmer and considerably drier.
How January Compares
Warrnambool's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 21.6 | 14.7 | 58mm | 8.7 |
| Feb | 21.8 | 13.8 | 10mm | 9.8 |
| Mar | 21.9 | 13.8 | 15mm | 9.2 |
| Apr | 16.7 | 11.3 | 63mm | 3.6 |
| May | 15.9 | 9.4 | 29mm | 3.5 |
| Jun | 13.1 | 7.3 | 37mm | 1.5 |
| Jul | 13.1 | 7.2 | 98mm | 1.0 |
| Aug | 16.5 | 9.2 | 77mm | 3.7 |
| Sep | 14.9 | 9.8 | 84mm | 2.4 |
| Oct | 17.8 | 10.3 | 71mm | 5.5 |
| Nov | 20.7 | 12.0 | 85mm | 7.9 |
| Dec | 22.2 | 13.5 | 49mm | 9.3 |