Best time to visit the British Indian Ocean Territory

Find the best time to visit the British Indian Ocean Territory and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

British Indian Ocean Territory by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit British Indian Ocean Territory?

The best time to visit British Indian Ocean Territory (Diego Garcia) is June, July, August, September and October based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 30°C maximum daytime temperature in January in British Indian Ocean Territory (Diego Garcia)30
    Jan
  • 31°C maximum daytime temperature in February in British Indian Ocean Territory (Diego Garcia)31
    Feb
  • 31°C maximum daytime temperature in March in British Indian Ocean Territory (Diego Garcia)31
    Mar
  • 31°C maximum daytime temperature in April in British Indian Ocean Territory (Diego Garcia)31
    Apr
  • 30°C maximum daytime temperature in May in British Indian Ocean Territory (Diego Garcia)30
    May
  • 29°C maximum daytime temperature in June in British Indian Ocean Territory (Diego Garcia)29
    Jun
  • 29°C maximum daytime temperature in July in British Indian Ocean Territory (Diego Garcia)29
    Jul
  • 29°C maximum daytime temperature in August in British Indian Ocean Territory (Diego Garcia)29
    Aug
  • 29°C maximum daytime temperature in September in British Indian Ocean Territory (Diego Garcia)29
    Sep
  • 29°C maximum daytime temperature in October in British Indian Ocean Territory (Diego Garcia)29
    Oct
  • 30°C maximum daytime temperature in November in British Indian Ocean Territory (Diego Garcia)30
    Nov
  • 30°C maximum daytime temperature in December in British Indian Ocean Territory (Diego Garcia)30
    Dec

Best time to visit

The 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) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Which is the hottest month in the British Indian Ocean Territory?

The hottest time of year in Diego Garcia, British Indian Ocean Territory is normally April. Expect maximum daytime temperatures to reach 31°C with very high heat and humidity.

Which month has the most rain in the British Indian Ocean Territory?

In terms of rainfall, January is usually the wettest month in Diego Garcia, British Indian Ocean Territory with 291mm on average. There are normally 16 days in January with some rain.

When is the sea warmest in the British Indian Ocean Territory?

The sea is usually at its warmest in Diego Garcia, British Indian Ocean Territory in April when the water temperature reaches 29°C.

British Indian Ocean Territory travel features

Do you want to learn more about the British Indian Ocean Territory? Read our latest features covering travel tips and insider destination guides on where to go and what to do in the British Indian Ocean Territory.

We don't currently have any travel features on the British Indian Ocean Territory. Discover more about holiday destinations around the world with this selection of general travel articles.

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