Christmas Island weather in December 2025

Q: How hot is it in Christmas Island in December?

Daytime temperatures usually reach 31°C in Christmas Island in December with high heat and humidity, falling to 24°C at night.

Q: How warm is the sea around Christmas Island in December?

The average sea temperature around Christmas Island in December is 27°C.

Q: Does it rain in Christmas Island in December?

There are usually 14 days with some rain in Christmas Island in December and the average monthly rainfall is 50mm.

Expect daytime maximum temperatures of 88°F in Christmas Island, Kiribati in December and high heat and humidity based on long-term weather averages. There are 14 days with some rainfall and typically 2.0 inches of rainfall in the month.

88
88°F max day temperature
14
14 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
2.0
2.0 inches of monthly rainfall
11
11+ (Extreme) UV index
81
81°F sea temperature

More about Christmas Island

Christmas Island by month

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The December weather guide for Kiribati (Christmas Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How hot is it in Christmas Island in December?

Daytime temperatures usually reach 88°F in Christmas Island in December with high heat and humidity, falling to 75°F at night.

How warm is the sea around Christmas Island in December?

The average sea temperature around Christmas Island in December is 81°F.

Does it rain in Christmas Island in December?

There are usually 14 days with some rain in Christmas Island in December and the average monthly rainfall is 2.0 inches.

Christmas Island December sunrise & sunset times

Browse the sunrise and sunset times for Christmas Island in December 2025. Select a month to view Christmas Island sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st December 2025	06:18	18:19
Tuesday, 16th December 2025	06:25	18:26
Wednesday, 31st December 2025	06:32	18:33

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Kiribati - quick facts
Time difference	UK +12 to +14 hours
Language(s)	Gilbertese, English
Currency	Kiribati Dollar, Australian Dollar
Electricity	I plug (240V)
Driving side	Left
Why visit?	Beaches Culture
Tourist info	Kiribati National Tourism Office