Diego Garcia weather

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Recommended for the British Indian Ocean Territory

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.

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

When is the best time to go to Diego Garcia?

The best time to go to 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 Diego Garcia30
    Jan
  • 31°C maximum daytime temperature in February in Diego Garcia31
    Feb
  • 31°C maximum daytime temperature in March in Diego Garcia31
    Mar
  • 31°C maximum daytime temperature in April in Diego Garcia31
    Apr
  • 30°C maximum daytime temperature in May in Diego Garcia30
    May
  • 29°C maximum daytime temperature in June in Diego Garcia29
    Jun
  • 29°C maximum daytime temperature in July in Diego Garcia29
    Jul
  • 29°C maximum daytime temperature in August in Diego Garcia29
    Aug
  • 29°C maximum daytime temperature in September in Diego Garcia29
    Sep
  • 29°C maximum daytime temperature in October in Diego Garcia29
    Oct
  • 30°C maximum daytime temperature in November in Diego Garcia30
    Nov
  • 30°C maximum daytime temperature in December in Diego Garcia30
    Dec

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

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Tropical storm risk: Diego Garcia, British Indian Ocean Territory cyclone season

% of month affected by tropical storms
1.3%
0
0
0
0
0
0
0
<1%
1.5%
2.1%
1.5%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Diego Garcia, British Indian Ocean Territory tropical storm risk chart above shows the cyclone season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

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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 31°C 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 291mm 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 29°C.

What is the time difference between the British Indian Ocean Territory and the UK?

The time difference between the British Indian Ocean Territory and the UK is GMT+6 hours.

What is the main language spoken in the British Indian Ocean Territory?

The main language spoken in the British Indian Ocean Territory is English.

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What is the currency in the British Indian Ocean Territory?

The currency in the British Indian Ocean Territory is the Pound Sterling (GBP) and the US Dollar (USD).

Which plugs are used in the British Indian Ocean Territory?

British Indian Ocean Territory uses electrical plug type A + B (120 Volts).

Which side of the road do they drive on in the British Indian Ocean Territory?

They drive on the right side of the road in the British Indian Ocean Territory.

Do you need a visa for the British Indian Ocean Territory?

Yes, UK passport holders do need a visa to enter the British Indian Ocean Territory.

Compare Diego Garcia weather with the USA

Below the Diego Garcia weather chart shows average maximum daytime temperature for Diego Garcia, British Indian Ocean Territory and the USA (Washington).

Maximum daytime temperature (°C)

Diego Garcia, British Indian Ocean Territory
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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