British Indian Ocean Territory weather in March 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 March. Check more long-term weather averages for British Indian Ocean Territory in March before you book your next holiday to British Indian Ocean Territory in 2025/2026.

  • 31°C maximum daytime temperature in March in British Indian Ocean Territory (Diego Garcia)31
    31°C max day temperature
  • 15 days with some rainfall in March in British Indian Ocean Territory (Diego Garcia)15
    15 days with some rainfall
  • 26°C minimum night-time temperature in March in British Indian Ocean Territory (Diego Garcia)26
    26°C min night temperature
  • 12 hours of daylight per day in March in British Indian Ocean Territory (Diego Garcia)12
    12 hours of daylight per day
  • Very high heat & humidity in March in British Indian Ocean Territory (Diego Garcia)VH
    Very High heat & humidity
  • 195 mm monthly rainfall in March in British Indian Ocean Territory (Diego Garcia)195
    195 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in British Indian Ocean Territory (Diego Garcia)11
    11+ (Extreme) UV index
  • 29°C sea temperature in March in British Indian Ocean Territory (Diego Garcia)29
    29°C sea temperature

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The March 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 March?

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

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

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

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

There are usually 15 days with some rain in Diego Garcia, British Indian Ocean Territory in March and the average monthly rainfall is 195mm.

British Indian Ocean Territory March sunrise & sunset times

Browse the sunrise and sunset times for British Indian Ocean Territory in March 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
Saturday, 1st March 2025 07:15 19:30
Sunday, 16th March 2025 07:15 19:23
Monday, 31st March 2025 07:13 19:16

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