WhereItsSunny

Climate of British Indian Ocean — Month by Month

Country-wide average for British Indian Ocean Territory.

British Indian Ocean Territory has a tropical climate. Country-wide average temperatures range from 26.5°C / 79.7°F in July to 28°C / 82.4°F in March, with annual rainfall totalling around 2160 mm / 85 in — driest in June (80 mm / 3.1 in), wettest in January (300 mm / 11.8 in). These are national averages; regional variation can be substantial, especially in geographically diverse countries. For city-level detail see the cities section below, and for state or province breakdowns follow the subdivisions link if available.

Best time to visit British Indian Ocean Territory →

Sunny & HotSunny & WarmSunny & MildTropicalSnowy
MonthTemperatureRainfallMatches
January27°C80.6°F300 mm11.8″Tropical
February27.5°C81.5°F250 mm9.8″Tropical
March28°C82.4°F200 mm7.9″Tropical
April28°C82.4°F150 mm5.9″Tropical
May27.5°C81.5°F100 mm3.9″Tropical
June27°C80.6°F80 mm3.1″Tropical
July26.5°C79.7°F80 mm3.1″Tropical
August26.5°C79.7°F100 mm3.9″Tropical
September26.5°C79.7°F150 mm5.9″Tropical
October27°C80.6°F200 mm7.9″Tropical
November27°C80.6°F250 mm9.8″Tropical
December27°C80.6°F300 mm11.8″Tropical

Frequently asked questions

What is the best time to visit British Indian Ocean Territory?

British Indian Ocean Territory does not have a clear sunny-and-dry window by our cutoffs. The warmest month is March at 28°C / 82.4°F, and the driest is June at 80 mm / 3.1 in — likely your best travel window.

What is the climate of British Indian Ocean Territory?

British Indian Ocean Territory has country-wide monthly average temperatures ranging from 26.5°C / 79.7°F in July to 28°C / 82.4°F in March. Annual rainfall averages about 2160 mm / 85 in, with the wettest month being January (300 mm / 11.8 in) and the driest June (80 mm / 3.1 in). Regional variation within British Indian Ocean Territory can be significant — see subdivision or city pages for detail.

What is the hottest month in British Indian Ocean Territory?

The hottest month in British Indian Ocean Territory is March, with a country-wide average temperature of 28°C / 82.4°F.

What is the coldest month in British Indian Ocean Territory?

The coldest month in British Indian Ocean Territory is July, with a country-wide average temperature of 26.5°C / 79.7°F.

When does it rain most in British Indian Ocean Territory?

The wettest month in British Indian Ocean Territory is January, averaging about 300 mm / 11.8 in of rain. The driest is June with about 80 mm / 3.1 in.