Diego Garcia weather in January 2025

Expect 30°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Diego Garcia in January. Check more long-term weather averages for Diego Garcia in January before you book your next holiday to British Indian Ocean Territory in 2025/2026.

  • 30°C maximum daytime temperature in January in Diego Garcia30
    30°C max day temperature
  • 16 days with some rainfall in January in Diego Garcia16
    16 days with some rainfall
  • 25°C minimum night-time temperature in January in Diego Garcia25
    25°C min night temperature
  • 12 hours of daylight per day in January in Diego Garcia12
    12 hours of daylight per day
  • High heat & humidity in January in Diego GarciaH
    High heat & humidity
  • 291 mm monthly rainfall in January in Diego Garcia291
    291 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Diego Garcia11
    11+ (Extreme) UV index
  • 29°C sea temperature in January in Diego Garcia29
    29°C sea temperature

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The January 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 January?

Daytime temperatures usually reach 30°C in Diego Garcia in January with high heat and humidity, falling to 25°C at night.

How warm is the sea around Diego Garcia in January?

The average sea temperature around Diego Garcia in January is 29°C.

Does it rain in Diego Garcia in January?

There are usually 16 days with some rain in Diego Garcia in January and the average monthly rainfall is 291mm.

What is the chance of a cyclone in Diego Garcia in January?

On average less than 1 day in January in Diego Garcia is likely to be affected by the passage of one or more tropical storms.

Diego Garcia January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 06:58 19:30
Thursday, 16th January 2025 07:05 19:35
Friday, 31st January 2025 07:11 19:37

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