Diego Garcia
British Indian Ocean Territory
Long term weather forecast
Long term weather forecast

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

Warmest months (with highest average high temperature) are January, February and December (87.8°F).
Months with lowest average high temperature are March, April, May, June, July, August, September, October and November (86°F).

Months with highest average low temperature are January, March, April, May, August, September, October and December (80.6°F).
Coldest months (with lowest average low temperature) are February, June, July and November (78.8°F).

Best months for swimming (with highest average sea temperature) are March and April (84°F).
Coldest months (with lowest average sea temperature) are June, July, August and September (81°F).

Month with longest days is December (Average daylight: 13).
Months with shortest days are January, February, March, April, May, June, July, August, September, October and November (Average daylight: 12).

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

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

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