British Indian Ocean Territorywhen to go
British Indian Ocean Territory's national averages run from 26 °C in August to 28 °C in April, with rainfall between 137 mm in May and 348 mm in December and 5.9–7.7 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are January, February and March. Its 1 regions span 27–27 °C in annual mean temperature, so the national figure hides a good deal.
- Region
- Africa
- Area
- 132 km²
When British Indian Ocean Territory shines
A decade of weather, in one page
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 27.6 | 26.0 | 25.1 | 28.6 |
| February | 27.7 | 26.1 | 25.2 | 28.9 |
| March | 28.2 | 26.5 | 25.5 | 29.2 |
| April | 28.3 | 26.7 | 25.7 | 29.3 |
| May | 28.1 | 26.7 | 25.7 | 28.8 |
| June | 27.3 | 26.0 | 25.1 | 28.2 |
| July | 26.8 | 25.7 | 24.9 | 27.8 |
| August | 26.5 | 25.4 | 24.6 | 27.4 |
| September | 26.8 | 25.6 | 24.8 | 27.9 |
| October | 27.3 | 25.9 | 24.9 | 28.3 |
| November | 27.5 | 26.0 | 25.1 | 28.3 |
| December | 27.5 | 25.9 | 25.2 | 28.3 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 343 |
| February | 273 |
| March | 207 |
| April | 180 |
| May | 137 |
| June | 169 |
| July | 179 |
| August | 172 |
| September | 215 |
| October | 215 |
| November | 198 |
| December | 348 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 6.6 |
| February | 7.0 |
| March | 7.4 |
| April | 7.1 |
| May | 6.9 |
| June | 6.5 |
| July | 5.9 |
| August | 6.1 |
| September | 6.7 |
| October | 7.3 |
| November | 7.7 |
| December | 7.1 |
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 19.5 | 6.5 | 33.8 |
| February | 17.3 | 6.0 | 31.1 |
| March | 15.2 | 5.8 | 27.3 |
| April | 15.4 | 5.8 | 26.9 |
| May | 19.5 | 8.0 | 29.8 |
| June | 23.4 | 10.9 | 32.9 |
| July | 27.8 | 15.1 | 37.9 |
| August | 29.2 | 19.1 | 38.8 |
| September | 24.0 | 9.9 | 35.2 |
| October | 20.7 | 8.3 | 31.7 |
| November | 16.5 | 6.7 | 27.8 |
| December | 15.5 | 5.9 | 27.7 |
Snow depth for British Indian Ocean Territory is part of the Premium map and its district-level detail. See what Premium includes.
Sea surface temperature for British Indian Ocean Territory is part of the Premium map and its district-level detail. See what Premium includes.
Heat index for British Indian Ocean Territory is part of the Premium map and its district-level detail. See what Premium includes.
Humidity for British Indian Ocean Territory is part of the Premium map and its district-level detail. See what Premium includes.
British Indian Ocean Territory, taken apart
No advisory on file for British Indian Ocean Territory
None of the six governments we track publishes a country-wide advisory for British Indian Ocean Territory. That is not the same as a clean bill of health — check your own government’s guidance before you travel.
A year in British Indian Ocean Territory, in order
- JanJanuary27.6°C · 343 mm · 6.6 hr/day
Around 28 °C with 343 mm of rain and 6.6 hours of sun a day.
Around 28 °C with 343 mm of rain and 6.6 hours of sun a day.
- FebFebruary27.7°C · 273 mm · 7.0 hr/day
Around 28 °C with 273 mm of rain and 7.0 hours of sun a day.
Around 28 °C with 273 mm of rain and 7.0 hours of sun a day.
- MarMarch28.2°C · 207 mm · 7.4 hr/day
Around 28 °C with 207 mm of rain and 7.4 hours of sun a day.
Around 28 °C with 207 mm of rain and 7.4 hours of sun a day.
- AprApril28.3°C · 180 mm · 7.1 hr/day
Around 28 °C with 180 mm of rain and 7.1 hours of sun a day.
Around 28 °C with 180 mm of rain and 7.1 hours of sun a day.
- MayMay28.1°C · 137 mm · 6.9 hr/day
Around 28 °C with 137 mm of rain and 6.9 hours of sun a day.
Around 28 °C with 137 mm of rain and 6.9 hours of sun a day.
- JunJune27.3°C · 169 mm · 6.5 hr/day
Around 27 °C with 169 mm of rain and 6.5 hours of sun a day.
Around 27 °C with 169 mm of rain and 6.5 hours of sun a day.
- JulJuly26.8°C · 179 mm · 5.9 hr/day
Around 27 °C with 179 mm of rain and 5.9 hours of sun a day.
Around 27 °C with 179 mm of rain and 5.9 hours of sun a day.
- AugAugust26.5°C · 172 mm · 6.1 hr/day
Around 26 °C with 172 mm of rain and 6.1 hours of sun a day.
Around 26 °C with 172 mm of rain and 6.1 hours of sun a day.
- SepSeptember26.8°C · 215 mm · 6.7 hr/day
Around 27 °C with 215 mm of rain and 6.7 hours of sun a day.
Around 27 °C with 215 mm of rain and 6.7 hours of sun a day.
- OctOctober27.3°C · 215 mm · 7.3 hr/day
Around 27 °C with 215 mm of rain and 7.3 hours of sun a day.
Around 27 °C with 215 mm of rain and 7.3 hours of sun a day.
- NovNovember27.5°C · 198 mm · 7.7 hr/day
Around 28 °C with 198 mm of rain and 7.7 hours of sun a day.
Around 28 °C with 198 mm of rain and 7.7 hours of sun a day.
- DecDecember27.5°C · 348 mm · 7.1 hr/day
Around 27 °C with 348 mm of rain and 7.1 hours of sun a day.
Around 27 °C with 348 mm of rain and 7.1 hours of sun a day.
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