Diego Garcia weather in August 2025

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

  • 29°C maximum daytime temperature in August in Diego Garcia29
    29°C max day temperature
  • 14 days with some rainfall in August in Diego Garcia14
    14 days with some rainfall
  • 24°C minimum night-time temperature in August in Diego Garcia24
    24°C min night temperature
  • 12 hours of daylight per day in August in Diego Garcia12
    12 hours of daylight per day
  • Moderate heat & humidity in August in Diego GarciaM
    Moderate heat & humidity
  • 152 mm monthly rainfall in August in Diego Garcia152
    152 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Diego Garcia11
    11+ (Extreme) UV index
  • 26°C sea temperature in August in Diego Garcia26
    26°C sea temperature

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The August 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 August?

Daytime temperatures usually reach 29°C in Diego Garcia in August with moderate heat and humidity, falling to 24°C at night.

How warm is the sea around Diego Garcia in August?

The average sea temperature around Diego Garcia in August is 26°C.

Does it rain in Diego Garcia in August?

There are usually 14 days with some rain in Diego Garcia in August and the average monthly rainfall is 152mm.

Diego Garcia August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 07:23 19:11
Saturday, 16th August 2025 07:18 19:11
Sunday, 31st August 2025 07:12 19:10

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