Monthly weather forecast and climate
Diego Garcia, British Indian Ocean Territory

Palm trees bent towards the ocean in a lagoon beach in Diego Garcia, within British Indian Ocean Territory
Palm trees bent towards the ocean in a lagoon beach in Diego Garcia, within British Indian Ocean Territory

What are the warmest months in Diego Garcia?

January, February and December, with an average high-temperature of 31°C (87.8°F), are warmest months in Diego Garcia.

How many days does it rain in Diego Garcia?

Throughout the year, in Diego Garcia, British Indian Ocean Territory, there are 123 rainfall days, and 2213mm (87.1") of precipitation is accumulated.

What is the driest month in Diego Garcia?

The month with the least rainfall in Diego Garcia is February when the rain falls for 1 days and typically collects 18mm (0.7") of precipitation.

What are the coldest months in Diego Garcia?

March through November, with an average high-temperature of 30°C (86°F), are the coldest months in Diego Garcia.

What is the wettest month in Diego Garcia?

August is the month with the most rainfall in Diego Garcia, British Indian Ocean Territory. Rain falls for 14 days and accumulates 298mm (11.7") of precipitation.
Average temperature - Diego Garcia, British Indian Ocean Territory

Warmest months (with the highest average high temperature) are January, February and December (31°C).
Months with the lowest average high temperature are March, April, May, June, July, August, September, October and November (30°C).

Months with the highest average low temperature are January, March, April, May, August, September, October and December (27°C).
Coldest months (with the lowest average low temperature) are February, June, July and November (26°C).

Average rainfall - Diego Garcia, British Indian Ocean Territory
Average rainfall days - Diego Garcia, British Indian Ocean Territory
Average sea temperature - Diego Garcia, British Indian Ocean Territory

Best months for swimming (with the highest average sea temperature) are March and April (29°C).
Coldest months (with the lowest average sea temperature) are June, July, August and September (27°C).

Average daylight / Average sunshine - Diego Garcia, British Indian Ocean Territory

Months with the longest days are January, November and December (Average daylight: 12.5h).
Months with shortest days are June and July (Average daylight: 11.7h).

The month with most sunshine is February (Average sunshine: 9.3h).
Months with least sunshine are June and September (Average sunshine: 6.7).

Average UV index - Diego Garcia, British Indian Ocean Territory

Months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 10).

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