- Explore top offers on direct flights from the UK
- Filter destinations by price, trip type, flight time & more
- Choose a destination to see cheapest fares & airlines
British Indian Ocean Territory weather
-
Usually
in December
-
Now
Today
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.
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
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.
- Book online with TUI & save up to 10% on holidays
- FREE child places available for select holidays
- Pay £0 deposit holidays with direct debit
TUI deal finder
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
Metric (°C / mm) | Imperial (°F / inches)
Compare more British Indian Ocean Territory weather >>
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.