Christmas Island weather in August 2025

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

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

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

The average sea temperature around Christmas Island in August is 28°C.

Q: Does it rain in Christmas Island in August?

There are usually 9 days with some rain in Christmas Island in August and the average monthly rainfall is 68mm.

Expect daytime maximum temperatures of 88°F in Christmas Island, Kiribati in August and very high heat and humidity based on long-term weather averages. There is typically2.7 inches of rainfall in the month.

88
88°F max day temperature
9
9 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
2.7
2.7 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

More about Christmas Island

Christmas Island by month

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The August 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 August?

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

How warm is the sea around Christmas Island in August?

The average sea temperature around Christmas Island in August is 82°F.

Does it rain in Christmas Island in August?

There are usually 9 days with some rain in Christmas Island in August and the average monthly rainfall is 2.7 inches.

Christmas Island August sunrise & sunset times

Browse the sunrise and sunset times for Christmas Island in August 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
Friday, 1st August 2025	06:30	18:42
Saturday, 16th August 2025	06:29	18:39
Sunday, 31st August 2025	06:26	18:35

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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