Byron Bay in January
So, what's Byron Bay actually like in January? In a word: lovely. It's summer, and the days are averaging 27.4 degrees.
Daytime highs average 27.4 degrees, dropping to 22.4 degrees overnight. That's a 5-degree swing between day and night. Comfortable during the day, with evenings that invite a light layer.
At 27.4 degrees, January runs 3.5 degrees above Byron Bay's annual average of 23.9 degrees.
The rain data says 203mm over 23 days. That's serious rainfall.
Sunshine-wise, January delivers around 21.1 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.
At 5.7/10 on the Comfort Score, January is middle of the road.
Packing tip: bring a mix of short and long sleeves, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
Check the data table below for the full picture, or compare Byron Bay 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
- T-shirts and shorts for daytime
- A waterproof jacket or compact umbrella
- Strong sun protection including a hat and SPF 50+
- Moisture-wicking fabrics to stay comfortable in humid conditions
Coming From Overseas?
How January in Byron Bay 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
Byron Bay's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 27.4 | 22.4 | 203mm | 5.7 |
| Feb | 27.7 | 21.9 | 201mm | 6.1 |
| Mar | 26.0 | 20.9 | 162mm | 7.1 |
| Apr | 24.1 | 17.2 | 286mm | 7.6 |
| May | 21.2 | 14.8 | 140mm | 5.9 |
| Jun | 19.8 | 11.4 | 21mm | 7.1 |
| Jul | 19.2 | 11.7 | 66mm | 6.2 |
| Aug | 22.2 | 14.4 | 117mm | 7.8 |
| Sep | 23.3 | 14.4 | 160mm | 9.0 |
| Oct | 23.5 | 16.2 | 88mm | 9.6 |
| Nov | 25.7 | 20.1 | 266mm | 7.1 |
| Dec | 27.2 | 21.4 | 136mm | 7.2 |