Diego Garcia weather

Travel Up: Low prices on top car hire brands

  • Search for cheap car hire prices from top car hire providers
  • Filter car hire deals by price, car type, brand & more
  • Brands include Avis, Enterprise, Europcar, Hertz, Sixt & Thifty
Go to Travel Up deal >>

View all Travel Up offers

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.

  • British Indian Ocean Territory deals & discounts
  • British Indian Ocean Territory travel advice
  • Diego Garcia climate averages by month
  • More destinations
  • Best time to go to Diego Garcia
  • Diego Garcia 5-day weather forecast

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]

Change the criteria to reflect your weather preferences.

"

Change criteria

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

Best time to go for the weather

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

Back to top

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

TUI: up to 10% off holidays booked online

  • Book online with TUI & save up to 10% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposit holidays with direct debit
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

Back to top

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.

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)
30
5
31
7
31
13
31
19
30
24
29
29
29
31
29
30
29
26
29
20
30
14
30
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more Diego Garcia weather >>

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

Back to Holiday Weather Top ^