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Cocos (Keeling) Islands weather in December 2025
Expect daytime maximum temperatures of 84°F in Cocos (Keeling) Islands in December and high heat and humidity based on long-term weather averages. There are 11 days with some rainfall and typically 6.0 inches of rainfall in the month.
- 84°F max day temperature
84 - 11 days with some rainfall
11 - 75°F min night temperature
75 - 13 hours of daylight per day
13 - High heat & humidity
H - 6.0 inches of monthly rainfall
6.0 - 11+ (Extreme) UV index
11 - 81°F sea temperature
81
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Recommended for Cocos (Keeling) Islands
The December weather guide for Cocos (Keeling) Islands, represented by West Island, (West 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 Cocos (Keeling) Islands in December?
Daytime temperatures usually reach 84°F in West Island, Cocos (Keeling) Islands in December with high heat and humidity, falling to 75°F at night.
How warm is the sea around Cocos (Keeling) Islands in December?
The average sea temperature around West Island, Cocos (Keeling) Islands in December is 81°F.
Does it rain in Cocos (Keeling) Islands in December?
There are usually 11 days with some rain in West Island, Cocos (Keeling) Islands in December and the average monthly rainfall is 6.0 inches.
What is the chance of a cyclone in Cocos (Keeling) Islands in December?
On average less than 1 day in December in West Island, Cocos (Keeling) Islands is likely to be affected by the passage of one or more tropical storms.
Cocos (Keeling) Islands December sunrise & sunset times
Browse the sunrise and sunset times for Cocos (Keeling) Islands in December 2025. Select a month to view Cocos (Keeling) Islands sunrise and sunset times for the next 12 months. The Cocos (Keeling) Islands sunrise and sunset times shown below are for West Island.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st December 2025 | 05:28 | 18:15 |
| Tuesday, 16th December 2025 | 05:33 | 18:23 |
| Wednesday, 31st December 2025 | 05:41 | 18:31 |
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