Christmas Island in December
So, what's Christmas Island actually like in December? In a word: lovely. It's summer, and the days are averaging 26.4 degrees.
The average daily maximum is 26.4 degrees with overnight lows of 24.7 degrees. Comfortable during the day, with evenings that invite a light layer.
December's temperature is very close to the annual average for Christmas Island.
Rainfall in December averages 359mm over about 28 days. That means roughly a 93% chance of rain on any given day, so definitely bring rain gear.
Solar exposure averages 17.4 MJ/m2 per day in December, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
The Comfort Score is 5.6/10 for December. It's fine, but not the highlight of the calendar.
For your suitcase: a mix of short and long sleeves, a rain jacket or compact umbrella, and serious sun protection.
Check the data table below for the full picture, or compare Christmas Island in December with another destination.
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
- Proper rain gear for frequent showers
- Sunscreen (SPF 30+) and sunglasses for UV protection
- Moisture-wicking fabrics to stay comfortable in humid conditions
Coming From Overseas?
How December in Christmas Island stacks up against major cities around the world.
About 18 degrees warmer and considerably wetter.
About 20 degrees warmer and considerably wetter.
About 14 degrees warmer and considerably wetter.
How December Compares
Christmas Island's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 26.9 | 25.2 | 178mm | 6.5 |
| Feb | 27.8 | 26.1 | 44mm | 7.6 |
| Mar | 27.0 | 25.5 | 175mm | 6.5 |
| Apr | 27.4 | 25.7 | 142mm | 6.5 |
| May | 27.0 | 25.6 | 36mm | 7.6 |
| Jun | 26.6 | 25.1 | 20mm | 8.0 |
| Jul | 25.5 | 23.9 | 48mm | 8.4 |
| Aug | 24.9 | 23.7 | 18mm | 9.2 |
| Sep | 25.2 | 23.9 | 23mm | 9.0 |
| Oct | 25.9 | 24.6 | 29mm | 8.6 |
| Nov | 26.6 | 24.7 | 116mm | 6.8 |
| Dec | 26.4 | 24.7 | 359mm | 5.6 |