Best time to visit Diego Garcia

Find the best time to visit Diego Garcia and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Diego Garcia by month

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

Recommended for the British Indian Ocean Territory

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When is the best time to visit Diego Garcia?

The best time to visit Diego Garcia is June, July, August, September and October based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°F)

  • 86°F maximum daytime temperature in January in Diego Garcia86
    Jan
  • 88°F maximum daytime temperature in February in Diego Garcia88
    Feb
  • 88°F maximum daytime temperature in March in Diego Garcia88
    Mar
  • 88°F maximum daytime temperature in April in Diego Garcia88
    Apr
  • 86°F maximum daytime temperature in May in Diego Garcia86
    May
  • 84°F maximum daytime temperature in June in Diego Garcia84
    Jun
  • 84°F maximum daytime temperature in July in Diego Garcia84
    Jul
  • 84°F maximum daytime temperature in August in Diego Garcia84
    Aug
  • 84°F maximum daytime temperature in September in Diego Garcia84
    Sep
  • 84°F maximum daytime temperature in October in Diego Garcia84
    Oct
  • 86°F maximum daytime temperature in November in Diego Garcia86
    Nov
  • 86°F maximum daytime temperature in December in Diego Garcia86
    Dec

Which is the hottest month in Diego Garcia?

The hottest time of year in Diego Garcia is normally April. Expect maximum daytime temperatures to reach 88°F with very high heat and humidity.

Which month has the most rain in Diego Garcia?

In terms of rainfall, January is usually the wettest month in Diego Garcia with 11.5 inches on average. There are normally 16 days in January with some rain.

When is the sea warmest in Diego Garcia?

The sea is usually at its warmest in Diego Garcia in April when the water temperature reaches 84°F.

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)  |  Imperial (°F)

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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.

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