Climate of Guernsey — Month by Month
Country-wide average for Guernsey. Part of Northern Europe, Europe.
Located in Northern Europe, Europe, Guernsey has a seasonal climate. Country-wide average temperatures range from 3.9°C / 39°F in December to 18.4°C / 65.1°F in July, with annual rainfall totalling around 919 mm / 36.2 in — driest in July (41 mm / 1.6 in), wettest in December (119 mm / 4.7 in). These are national averages; regional variation can be substantial, especially in geographically diverse countries. For city-level detail see the cities section below, and for state or province breakdowns follow the subdivisions link if available.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 6°C42.8°F | 92 mm3.6″ | — |
| February | 6°C42.8°F | 78 mm3.1″ | — |
| March | 6.8°C44.2°F | 70 mm2.8″ | — |
| April | 9.8°C49.6°F | 51 mm2″ | — |
| May | 13.6°C56.5°F | 66 mm2.6″ | — |
| June | 16.2°C61.2°F | 72 mm2.8″ | — |
| July | 18.4°C65.1°F | 41 mm1.6″ | Sunny & Mild |
| August | 18°C64.4°F | 79 mm3.1″ | — |
| September | 14.9°C58.8°F | 69 mm2.7″ | — |
| October | 11.1°C52°F | 75 mm3″ | — |
| November | 6.8°C44.2°F | 107 mm4.2″ | — |
| December | 3.9°C39°F | 119 mm4.7″ | — |
Frequently asked questions
What is the best time to visit Guernsey?
The best months to visit Guernsey for sunny, dry weather are July. The warmest month is July (18.4°C / 65.1°F average), and the driest is July (~41 mm / 1.6 in rainfall).
What is the climate of Guernsey?
Guernsey has country-wide monthly average temperatures ranging from 3.9°C / 39°F in December to 18.4°C / 65.1°F in July. Annual rainfall averages about 919 mm / 36.2 in, with the wettest month being December (119 mm / 4.7 in) and the driest July (41 mm / 1.6 in). Regional variation within Guernsey can be significant — see subdivision or city pages for detail.
What is the hottest month in Guernsey?
The hottest month in Guernsey is July, with a country-wide average temperature of 18.4°C / 65.1°F.
What is the coldest month in Guernsey?
The coldest month in Guernsey is December, with a country-wide average temperature of 3.9°C / 39°F.
When does it rain most in Guernsey?
The wettest month in Guernsey is December, averaging about 119 mm / 4.7 in of rain. The driest is July with about 41 mm / 1.6 in.