Norfolk Island in December
December in Norfolk Island is peak summer, and the weather reflects it. You're looking at average daily highs of 22.4 degrees.
Daytime highs average 22.4 degrees, dropping to 21.0 degrees overnight. That's a 1-degree swing between day and night. That's solidly pleasant territory. Great for being outdoors.
December is 1.6 degrees warmer than the yearly average here.
The rain data says 37mm over 4 days. Light enough that it won't ruin your plans.
Sunshine-wise, December 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.
Our Comfort Score rates December at 9.2/10. That's about as good as it gets.
For your suitcase: a mix of short and long sleeves, and serious sun protection.
The full data breakdown is below. You can also see how other Australian cities compare in December.
December at a Glance
Temperature Range
Daily temperature range in December. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- T-shirts and shorts for daytime
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Norfolk Island stacks up against major cities around the world.
About 14 degrees warmer and considerably drier.
About 16 degrees warmer and considerably drier.
About 10 degrees warmer and considerably drier.
How December Compares
Norfolk Island's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 23.5 | 22.2 | 70mm | 9.1 |
| Feb | 23.8 | 22.5 | 10mm | 10.0 |
| Mar | 23.0 | 21.3 | 23mm | 9.7 |
| Apr | 22.3 | 20.7 | 114mm | 7.9 |
| May | 20.0 | 18.4 | 38mm | 6.6 |
| Jun | 19.7 | 18.0 | 154mm | 5.1 |
| Jul | 18.5 | 16.7 | 109mm | 4.5 |
| Aug | 18.3 | 17.0 | 29mm | 5.6 |
| Sep | 18.8 | 17.4 | 56mm | 5.9 |
| Oct | 19.2 | 17.8 | 26mm | 7.1 |
| Nov | 20.4 | 19.1 | 26mm | 8.0 |
| Dec | 22.4 | 21.0 | 37mm | 9.2 |