Wonthaggi in January
January in Wonthaggi is peak summer, and the weather reflects it. You're looking at average daily highs of 22.1 degrees.
Expect the mercury to hit around 22.1 degrees during the day and settle at 15.2 degrees after dark. The temperature stays pretty consistent through the day. Comfortable during the day, with evenings that invite a light layer.
At 22.1 degrees, January runs 4.0 degrees above Wonthaggi's annual average of 18.1 degrees.
The rain data says 71mm over 10 days. Moderate, often falling in a few good dumps rather than constant drizzle.
Sunshine-wise, January delivers around 22.6 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 8.8/10 on our Comfort Score. This is prime time.
Packing tip: bring a mix of short and long sleeves, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
The full data breakdown is below. You can also see how other Australian cities compare 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
- Proper rain gear for frequent showers
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How January in Wonthaggi 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 wetter.
How January Compares
Wonthaggi's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 22.1 | 15.2 | 71mm | 8.8 |
| Feb | 23.1 | 15.2 | 10mm | 10.0 |
| Mar | 22.4 | 15.0 | 17mm | 9.5 |
| Apr | 17.2 | 12.3 | 107mm | 3.7 |
| May | 16.3 | 10.3 | 40mm | 3.7 |
| Jun | 12.9 | 8.5 | 43mm | 1.0 |
| Jul | 12.6 | 7.7 | 100mm | 1.0 |
| Aug | 16.0 | 9.3 | 54mm | 3.5 |
| Sep | 15.1 | 10.1 | 104mm | 2.4 |
| Oct | 17.4 | 10.7 | 96mm | 5.0 |
| Nov | 20.3 | 12.8 | 74mm | 7.7 |
| Dec | 21.4 | 14.4 | 77mm | 8.5 |