Saint Helena, Ascension and Tristan da Cunha
Territory in Africa
In brief
Area: 394 km². World rank 208 of 249; in Africa, 57 of 59.
Territory
- Area
- 394 km²
- Sea access
- Has a coastline
- Coastline, km
- No data
- Neighbours
- None
- Agricultural land
- No data
Elevation
- Highest point
- Queen Mary's Peak, 2,060 m
- Lowest point
- Atlantic Ocean, 0 m
- Mean elevation, m
- No data
Climate
- Average temperature in the capital, °C
- 22
- Warmest month in the capital
- March, 25°C
- Coldest month in the capital
- September, 20°C
- Precipitation, mm per year
- No data
Climate by month: Jamestown
March: day 25°C, night 24°C, precipitation 6 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 | 23 | 23 | 3 |
| February | 24 | 24 | 4 |
| March | 25 | 24 | 6 |
| April | 24 | 24 | 5 |
| May | 23 | 23 | 7 |
| June | 22 | 22 | 8 |
| July | 21 | 20 | 5 |
| August | 20 | 20 | 5 |
| September | 20 | 19 | 4 |
| October | 20 | 19 | 4 |
| November | 21 | 20 | 4 |
| December | 22 | 21 | 3 |