British Indian Ocean Territory weather in May 2021

Get the latest coronavirus (COVID-19) updates for the British Indian Ocean Territory with current travel advice, statistics and online resources.

  • 30°C maximum daytime temperature in May in British Indian Ocean Territory (Diego Garcia)30
    30°C max day temperature
  • 16 days with some rainfall in May in British Indian Ocean Territory (Diego Garcia)16
    16 days with some rainfall
  • 25°C minimum night-time temperature in May in British Indian Ocean Territory (Diego Garcia)25
    25°C min night temperature
  • 12 hours of daylight per day in May in British Indian Ocean Territory (Diego Garcia)12
    12 hours of daylight per day
  • High heat & humidity in May in British Indian Ocean Territory (Diego Garcia)H
    High heat & humidity
  • 164 mm monthly rainfall in May in British Indian Ocean Territory (Diego Garcia)164
    164 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in British Indian Ocean Territory (Diego Garcia)11
    11 (Extreme) UV index
  • 28°C sea temperature in May in British Indian Ocean Territory (Diego Garcia)28
    28°C sea temperature

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The May weather guide for British Indian Ocean Territory 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.

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How hot is it in the British Indian Ocean Territory in May?

Daytime temperatures usually reach 30°C in Diego Garcia, British Indian Ocean Territory in May with high heat and humidity, falling to 25°C at night.

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

The average sea temperature around Diego Garcia, British Indian Ocean Territory in May is 28°C.

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

There are usually 16 days with some rain in Diego Garcia, British Indian Ocean Territory in May and the average monthly rainfall is 164mm.

British Indian Ocean Territory sunrise & sunset times for May 2021

Browse the sunrise & sunset times for British Indian Ocean Territory in May 2021. Select a month to view British Indian Ocean Territory sunrise & sunset times for the next twelve months. The British Indian Ocean Territory sunrise & sunset times shown below are for Diego Garcia.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 07:12 19:03
Sunday, 16th May 2021 07:13 19:00
Monday, 31st May 2021 07:16 19:00
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Metric (°C / mm)  |  Imperial (°F / inches)

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