Guernsey
Territory in Europe
In brief
Area: 78 km². World rank 231 of 249; in Europe, 48 of 52.
Territory
- Area
- 78 km²
- Sea access
- Has a coastline
- Coastline, km
- 50
- Neighbours
- None
- Agricultural land
- No data
Elevation
- Highest point
- Le Moulin, 114 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, 17°C
- Coldest month in the capital
- February, 8°C
- Precipitation, mm per year
- No data
Climate by month: St. Peter Port
August: day 18°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 | 10 | 8 | 96 |
| February | 9 | 7 | 79 |
| March | 10 | 8 | 69 |
| April | 11 | 9 | 47 |
| May | 13 | 11 | 51 |
| June | 15 | 14 | 47 |
| July | 17 | 16 | 47 |
| August | 18 | 16 | 54 |
| September | 17 | 16 | 47 |
| October | 16 | 14 | 96 |
| November | 13 | 12 | 110 |
| December | 11 | 9 | 106 |