British Indian Ocean Territory weather in April 2025

Q: How hot is it in the British Indian Ocean Territory in April?

Daytime temperatures usually reach 31°C in Diego Garcia, British Indian Ocean Territory in April with very high heat and humidity, falling to 26°C at night.

Q: How warm is the sea around the British Indian Ocean Territory in April?

The average sea temperature around Diego Garcia, British Indian Ocean Territory in April is 29°C.

Q: Does it rain in the British Indian Ocean Territory in April?

There are usually 15 days with some rain in Diego Garcia, British Indian Ocean Territory in April and the average monthly rainfall is 171mm.

Expect 88°F daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in British Indian Ocean Territory in April. Check more long-term weather averages for British Indian Ocean Territory in April before you book your next holiday to British Indian Ocean Territory in 2025/2026.

88
88°F max day temperature
15
15 days with some rainfall
79
79°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
6.7
6.7 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F sea temperature

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The April weather guide for British Indian Ocean Territory, represented by Diego Garcia, (Diego Garcia) 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 the British Indian Ocean Territory in April?

Daytime temperatures usually reach 88°F in Diego Garcia, British Indian Ocean Territory in April with very high heat and humidity, falling to 79°F at night.

How warm is the sea around the British Indian Ocean Territory in April?

The average sea temperature around Diego Garcia, British Indian Ocean Territory in April is 84°F.

Does it rain in the British Indian Ocean Territory in April?

There are usually 15 days with some rain in Diego Garcia, British Indian Ocean Territory in April and the average monthly rainfall is 6.7 inches.

British Indian Ocean Territory April sunrise & sunset times

Browse the sunrise and sunset times for British Indian Ocean Territory in April 2025. Select a month to view British Indian Ocean Territory sunrise and sunset times for the next 12 months. The British Indian Ocean Territory sunrise and sunset times shown below are for Diego Garcia.

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

Date	Sunrise times	Sunset times
Tuesday, 1st April 2025	07:13	19:15
Tuesday, 15th April 2025	07:12	19:09
Wednesday, 30th April 2025	07:12	19:03

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British Indian Ocean Territory - quick facts
Time difference	UK +6 hours
Language(s)	English
Currency	Pound Sterling, US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Tourist info	British Indian Ocean Territory Administration