Diego Garcia weather in July 2025

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

  • 29°C maximum daytime temperature in July in Diego Garcia29
    29°C max day temperature
  • 14 days with some rainfall in July in Diego Garcia14
    14 days with some rainfall
  • 24°C minimum night-time temperature in July in Diego Garcia24
    24°C min night temperature
  • 12 hours of daylight per day in July in Diego Garcia12
    12 hours of daylight per day
  • Moderate heat & humidity in July in Diego GarciaM
    Moderate heat & humidity
  • 143 mm monthly rainfall in July in Diego Garcia143
    143 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Diego Garcia10
    10 (Very High) UV index
  • 27°C sea temperature in July in Diego Garcia27
    27°C sea temperature

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The July 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 July?

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

How warm is the sea around Diego Garcia in July?

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

Does it rain in Diego Garcia in July?

There are usually 14 days with some rain in Diego Garcia in July and the average monthly rainfall is 143mm.

Diego Garcia July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 07:23 19:06
Wednesday, 16th July 2025 07:24 19:09
Thursday, 31st July 2025 07:23 19:11

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