British Indian Ocean Territory
Territory in Africa
In brief
Area: 60 km². World rank 233 of 249; in Africa, 59 of 59.
Territory
- Area
- 60 km²
- Sea access
- Has a coastline
- Coastline, km
- 698
- Neighbours
- None
- Agricultural land
- No data
Elevation
- Highest point
- ocean-side dunes on Diego Garcia, 9 m
- Lowest point
- Indian Ocean, 0 m
- Mean elevation, m
- No data
Climate
- Average temperature in the capital, °C
- 27
- Warmest month in the capital
- April, 28°C
- Coldest month in the capital
- August, 26°C
- Precipitation, mm per year
- No data
Climate by month: Diego Garcia
April: day 28°C, night 28°C, precipitation 144 mm
Estimate from NASA POWER: averages for 2001–2025 at the capital’s location (grid cell about 50 km across). The city itself is often 1–3 °C warmer in winter.
Table of values
| Month | Day, °C | Night, °C | Precipitation, mm |
|---|---|---|---|
| January | 28 | 27 | 266 |
| February | 28 | 27 | 213 |
| March | 28 | 28 | 178 |
| April | 28 | 28 | 144 |
| May | 28 | 28 | 107 |
| June | 27 | 27 | 104 |
| July | 27 | 26 | 121 |
| August | 27 | 26 | 95 |
| September | 27 | 27 | 172 |
| October | 28 | 27 | 198 |
| November | 28 | 27 | 201 |
| December | 28 | 27 | 237 |