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British Indian Ocean Territory weather by month
Check out the British Indian Ocean Territory weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in British Indian Ocean Territory (°F)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Min temperature (night-time) | ![]() |
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Heat & Humidity | ![]() |
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Sea temperature | ![]() |
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Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in British Indian Ocean Territory
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (Maximum) | ![]() |
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Rainfall in British Indian Ocean Territory
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
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Average monthly rainfall (inches) | ![]() |
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More about the British Indian Ocean Territory
British Indian Ocean Territory by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for the British Indian Ocean Territory
The climate guide for British Indian Ocean Territory, represented by Diego Garcia, (Diego Garcia) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
British Indian Ocean Territory weather in January
Expect daytime maximum temperatures of 86°F in British Indian Ocean Territory in January and high heat and humidity based on long-term weather averages. There are 16 days with some rainfall and typically 11.5 inches of rainfall in the month.
- 86°F max day temperature
86
- 16 days with some rainfall
16
- 77°F min night temperature
77
- 12 hours of daylight per day
12
- High heat & humidity
H
- 11.5 inches of monthly rainfall
11.5
- 11+ (Extreme) UV index
11
- 84°F sea temperature
84
British Indian Ocean Territory weather in February
Expect daytime maximum temperatures of 88°F in British Indian Ocean Territory in February and high heat and humidity based on long-term weather averages. There are 14 days with some rainfall and typically 9.8 inches of rainfall in the month.
- 88°F max day temperature
88
- 14 days with some rainfall
14
- 77°F min night temperature
77
- 12 hours of daylight per day
12
- High heat & humidity
H
- 9.8 inches of monthly rainfall
9.8
- 11+ (Extreme) UV index
11
- 82°F sea temperature
82
British Indian Ocean Territory weather in March
Expect daytime maximum temperatures of 88°F in British Indian Ocean Territory in March and very high heat and humidity based on long-term weather averages. There are 15 days with some rainfall and typically 7.7 inches of rainfall in the month.
- 88°F max day temperature
88
- 15 days with some rainfall
15
- 79°F min night temperature
79
- 12 hours of daylight per day
12
- Very High heat & humidity
VH
- 7.7 inches of monthly rainfall
7.7
- 11+ (Extreme) UV index
11
- 84°F sea temperature
84
British Indian Ocean Territory weather in April
Expect daytime maximum temperatures of 88°F in British Indian Ocean Territory in April and very high heat and humidity based on long-term weather averages. There are 15 days with some rainfall and typically 6.7 inches of rainfall in the month.
- 88°F max day temperature
88
- 15 days with some rainfall
15
- 79°F min night temperature
79
- 12 hours of daylight per day
12
- Very High heat & humidity
VH
- 6.7 inches of monthly rainfall
6.7
- 11+ (Extreme) UV index
11
- 84°F sea temperature
84
British Indian Ocean Territory weather in May
Expect daytime maximum temperatures of 86°F in British Indian Ocean Territory in May and high heat and humidity based on long-term weather averages. There are 16 days with some rainfall and typically 6.5 inches of rainfall in the month.
- 86°F max day temperature
86
- 16 days with some rainfall
16
- 77°F min night temperature
77
- 12 hours of daylight per day
12
- High heat & humidity
H
- 6.5 inches of monthly rainfall
6.5
- 11 (Extreme) UV index
11
- 82°F sea temperature
82
British Indian Ocean Territory weather in June
Expect daytime maximum temperatures of 84°F in British Indian Ocean Territory in June and high heat and humidity based on long-term weather averages. There are 14 days with some rainfall and typically 5.4 inches of rainfall in the month.
- 84°F max day temperature
84
- 14 days with some rainfall
14
- 77°F min night temperature
77
- 12 hours of daylight per day
12
- High heat & humidity
H
- 5.4 inches of monthly rainfall
5.4
- 10 (Very High) UV index
10
- 81°F sea temperature
81
British Indian Ocean Territory weather in July
Expect daytime maximum temperatures of 84°F in British Indian Ocean Territory in July based on long-term weather averages. There are 14 days with some rainfall and typically 5.6 inches of rainfall in the month.
- 84°F max day temperature
84
- 14 days with some rainfall
14
- 75°F min night temperature
75
- 12 hours of daylight per day
12
- Moderate heat & humidity
M
- 5.6 inches of monthly rainfall
5.6
- 10 (Very High) UV index
10
- 81°F sea temperature
81
British Indian Ocean Territory weather in August
Expect daytime maximum temperatures of 84°F in British Indian Ocean Territory in August based on long-term weather averages. There are 14 days with some rainfall and typically 6.0 inches of rainfall in the month.
- 84°F max day temperature
84
- 14 days with some rainfall
14
- 75°F min night temperature
75
- 12 hours of daylight per day
12
- Moderate heat & humidity
M
- 6.0 inches of monthly rainfall
6.0
- 11+ (Extreme) UV index
11
- 79°F sea temperature
79
British Indian Ocean Territory weather in September
Expect daytime maximum temperatures of 84°F in British Indian Ocean Territory in September and high heat and humidity based on long-term weather averages. There are 16 days with some rainfall and typically 9.0 inches of rainfall in the month.
- 84°F max day temperature
84
- 16 days with some rainfall
16
- 75°F min night temperature
75
- 12 hours of daylight per day
12
- High heat & humidity
H
- 9.0 inches of monthly rainfall
9.0
- 11+ (Extreme) UV index
11
- 81°F sea temperature
81
British Indian Ocean Territory weather in October
Expect daytime maximum temperatures of 84°F in British Indian Ocean Territory in October and high heat and humidity based on long-term weather averages. There are 18 days with some rainfall and typically 9.6 inches of rainfall in the month.
- 84°F max day temperature
84
- 18 days with some rainfall
18
- 77°F min night temperature
77
- 12 hours of daylight per day
12
- High heat & humidity
H
- 9.6 inches of monthly rainfall
9.6
- 11+ (Extreme) UV index
11
- 82°F sea temperature
82
British Indian Ocean Territory weather in November
Expect daytime maximum temperatures of 86°F in British Indian Ocean Territory in November and high heat and humidity based on long-term weather averages. There are 17 days with some rainfall and typically 7.9 inches of rainfall in the month.
- 86°F max day temperature
86
- 17 days with some rainfall
17
- 77°F min night temperature
77
- 12 hours of daylight per day
12
- High heat & humidity
H
- 7.9 inches of monthly rainfall
7.9
- 11+ (Extreme) UV index
11
- 82°F sea temperature
82
British Indian Ocean Territory weather in December
Expect daytime maximum temperatures of 86°F in British Indian Ocean Territory in December and high heat and humidity based on long-term weather averages. There are 17 days with some rainfall and typically 10.0 inches of rainfall in the month.
- 86°F max day temperature
86
- 17 days with some rainfall
17
- 77°F min night temperature
77
- 13 hours of daylight per day
13
- High heat & humidity
H
- 10.0 inches of monthly rainfall
10.0
- 11+ (Extreme) UV index
11
- 84°F sea temperature
84
More about the British Indian Ocean Territory
British Indian Ocean Territory by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for the British Indian Ocean Territory
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The climate guide for British Indian Ocean Territory, represented by Diego Garcia, (Diego Garcia) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
Tropical storm risk: British Indian Ocean Territory cyclone season
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Compare British Indian Ocean Territory with the UK
Below the British Indian Ocean Territory chart shows average maximum daytime temperature for British Indian Ocean Territory (Diego Garcia) and the UK (London).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
Compare more British Indian Ocean Territory weather >>
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