British Indian Ocean Territory weather in April 2025

Expect 31°C 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.

  • 31°C maximum daytime temperature in April in British Indian Ocean Territory (Diego Garcia)31
    31°C max day temperature
  • 15 days with some rainfall in April in British Indian Ocean Territory (Diego Garcia)15
    15 days with some rainfall
  • 26°C minimum night-time temperature in April in British Indian Ocean Territory (Diego Garcia)26
    26°C min night temperature
  • 12 hours of daylight per day in April in British Indian Ocean Territory (Diego Garcia)12
    12 hours of daylight per day
  • Very high heat & humidity in April in British Indian Ocean Territory (Diego Garcia)VH
    Very High heat & humidity
  • 171 mm monthly rainfall in April in British Indian Ocean Territory (Diego Garcia)171
    171 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in British Indian Ocean Territory (Diego Garcia)11
    11+ (Extreme) UV index
  • 29°C sea temperature in April in British Indian Ocean Territory (Diego Garcia)29
    29°C 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 / mm)  |  Imperial (°F / inches)

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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.

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.

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.

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.

JanFebMarAprMayJunJulAugSepOctNovDec

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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