British Indian Ocean Territory weather

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Weather by month
Now Today
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5-day forecast

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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.

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

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

Tropical storm risk: British Indian Ocean Territory cyclone season

% of month affected by tropical storms

1.3%

<1%

1.5%

2.1%

1.5%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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

More about tropical storms

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.

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.

Learn a language for the British Indian Ocean Territory with Busuu^*, Lingoda^* and Rocket Languages^*.

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 British Indian Ocean Territory weather with the USA

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

Maximum daytime temperature (°C)

British Indian Ocean Territory (Diego Garcia)

USA (Washington)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec