Jersey
Territory in Europe
In brief
Area: 116 km². World rank 228 of 249; in Europe, 47 of 52.
Territory
- Area
- 116 km²
- Sea access
- Has a coastline
- Coastline, km
- 70
- Neighbours
- None
- Agricultural land
- No data
Elevation
- Highest point
- Les Platons, 136 m
- Lowest point
- English Channel, 0 m
- Mean elevation, m
- No data
Climate
- Average temperature in the capital, °C
- 12
- Warmest month in the capital
- August, 18°C
- Coldest month in the capital
- February, 7°C
- Precipitation, mm per year
- No data
Climate by month: Saint Helier
August: day 20°C, night 16°C, precipitation 54 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 | 9 | 6 | 80 |
| February | 9 | 5 | 67 |
| March | 10 | 6 | 59 |
| April | 12 | 8 | 44 |
| May | 15 | 11 | 53 |
| June | 18 | 14 | 47 |
| July | 19 | 15 | 51 |
| August | 20 | 16 | 54 |
| September | 19 | 15 | 47 |
| October | 16 | 13 | 83 |
| November | 12 | 10 | 95 |
| December | 10 | 7 | 95 |