Diego Garcia weather in June 2025

Expect 29°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Diego Garcia in June. Check more long-term weather averages for Diego Garcia in June before you book your next holiday to British Indian Ocean Territory in 2025/2026.

  • 29°C maximum daytime temperature in June in Diego Garcia29
    29°C max day temperature
  • 14 days with some rainfall in June in Diego Garcia14
    14 days with some rainfall
  • 25°C minimum night-time temperature in June in Diego Garcia25
    25°C min night temperature
  • 12 hours of daylight per day in June in Diego Garcia12
    12 hours of daylight per day
  • High heat & humidity in June in Diego GarciaH
    High heat & humidity
  • 138 mm monthly rainfall in June in Diego Garcia138
    138 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in Diego Garcia10
    10 (Very High) UV index
  • 27°C sea temperature in June in Diego Garcia27
    27°C sea temperature

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The June 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 Diego Garcia in June?

Daytime temperatures usually reach 29°C in Diego Garcia in June with high heat and humidity, falling to 25°C at night.

How warm is the sea around Diego Garcia in June?

The average sea temperature around Diego Garcia in June is 27°C.

Does it rain in Diego Garcia in June?

There are usually 14 days with some rain in Diego Garcia in June and the average monthly rainfall is 138mm.

Diego Garcia June sunrise & sunset times

Browse the sunrise and sunset times for Diego Garcia in June 2025. Select a month to view Diego Garcia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 07:16 19:00
Sunday, 15th June 2025 07:20 19:02
Monday, 30th June 2025 07:23 19:05

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