British Indian Ocean Territory weather averages for holidays in 2017/2018

Check the British Indian Ocean Territory weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in the British Indian Ocean Territory is expected to be 29°C, while the average maximum temperature in July is 29°C. The holiday weather guide shown below is for Diego Garcia.

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British Indian Ocean Territory weather averages

Check British Indian Ocean Territory weather averages before you book your next holiday. The warmest months in the British Indian Ocean Territory are February, March and April with an average maximum temperature of 31°C. The months with the least number of days with some rain are February, June, July and August with 14 days. The sea is at its warmest in the British Indian Ocean Territory in January, March, April and December with an average sea temperature of 29°C. The British Indian Ocean Territory weather averages shown below are for Diego Garcia.

Maximum daytime temperature (°C)

Days with some rainfall

Sea temperature (°C)

More weather parameters

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

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British Indian Ocean Territory weather today

Here is the weather in the British Indian Ocean Territory today, Sunday 23rd July 2017. Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a strong breeze of 39 kph from the south-east. The weather forecast shown below is for Diego Garcia.

  • 29
    °C maximum temperature
  • 25
    °C minimum temperature
  • isolated thunderstorms
  • 4
    hours of sunshine
  • 49
    % chance of some rain
  • <2
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 39
    kph wind from SE

5-day weather forecast

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

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Tropical storm risk: British Indian Ocean Territory cyclone season

% of month affected by tropical storms
1%
1%
<1%
<1%
1%
<1%
1%
<1%
1%
1%
2%
1%
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.

More about tropical storms

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British Indian Ocean Territory holiday weather averages by month

Check British Indian Ocean Territory holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare British Indian Ocean Territory weather with the USA

Below the British Indian Ocean Territory weather chart shows maximum daytime temperature for British Indian Ocean Territory (Diego Garcia) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

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)

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