Guernsey in December
Around 11 °C with 140 mm of rain and 2.1 hours of sun a day.
December is a challenging month for Guernsey overall; regional choices matter most. Around 11 °C with 140 mm of rain and 2.1 hours of sun a day. Use the regional grid below to find where this month works best — national averages hide the swings between coast, highlands, and inland.
Guernsey · typical month
- Day / night10 – 11 °CYear range 8 – 18 °C
- Rainfall140 mmYear range 36 – 142 mm
- Sunshine2.1 hr / dayYear range 2.1 – 8.6 hr / day
Guernsey, taken apart
No advisory on file for Guernsey
None of the six governments we track publishes a country-wide advisory for Guernsey. That is not the same as a clean bill of health — check your own government’s guidance before you travel.
A decade of weather, in one page
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 10.0 | 8.0 | 4.7 | 12.9 |
| February | 9.9 | 8.1 | 4.3 | 12.1 |
| March | 10.1 | 8.4 | 5.6 | 12.0 |
| April | 11.0 | 9.4 | 6.9 | 13.2 |
| May | 12.9 | 11.6 | 9.4 | 15.1 |
| June | 15.2 | 14.0 | 12.3 | 17.7 |
| July | 17.1 | 15.9 | 14.3 | 19.3 |
| August | 17.9 | 16.7 | 15.2 | 20.0 |
| September | 17.6 | 16.1 | 13.7 | 20.1 |
| October | 15.9 | 14.2 | 11.9 | 18.2 |
| November | 13.2 | 11.3 | 7.7 | 16.2 |
| December | 11.5 | 9.6 | 6.0 | 13.9 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 124 |
| February | 81 |
| March | 74 |
| April | 43 |
| May | 43 |
| June | 53 |
| July | 36 |
| August | 47 |
| September | 78 |
| October | 126 |
| November | 142 |
| December | 140 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 2.4 |
| February | 3.9 |
| March | 5.4 |
| April | 8.0 |
| May | 8.6 |
| June | 8.5 |
| July | 8.6 |
| August | 7.6 |
| September | 6.2 |
| October | 4.5 |
| November | 3.1 |
| December | 2.1 |
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 32.4 | 13.7 | 54.8 |
| February | 33.3 | 14.5 | 53.4 |
| March | 30.2 | 12.7 | 49.9 |
| April | 24.7 | 9.4 | 42.4 |
| May | 22.5 | 9.7 | 38.0 |
| June | 21.4 | 9.9 | 36.9 |
| July | 21.3 | 9.4 | 36.1 |
| August | 22.7 | 9.1 | 38.3 |
| September | 25.7 | 11.8 | 44.3 |
| October | 29.3 | 10.9 | 48.2 |
| November | 33.2 | 13.9 | 51.3 |
| December | 34.3 | 13.1 | 53.6 |
Snow depth for Guernsey is part of the Premium map and its district-level detail. See what Premium includes.
Sea surface temperature for Guernsey is part of the Premium map and its district-level detail. See what Premium includes.
Heat index for Guernsey is part of the Premium map and its district-level detail. See what Premium includes.
Humidity for Guernsey is part of the Premium map and its district-level detail. See what Premium includes.
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