Climate and Weather of Guernsey island, the United Kingdom

In the United Kingdom you have several regions, one of which is called Guernsey island. The most popular city in this region is Guernsey, whose climate data we'll examine to provide you with an overview of what weather to expect in Guernsey island. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In Guernsey island, no particular months stand out for consistently comfortable weather, as average temperatures fluctuate year-round.

Guernsey island reaches its peak temperature in August, hitting 19°C, while February brings cooler conditions with daytime highs of 10°C.

When it comes to rainfall, Guernsey island sees significant variations throughout the year. December tends to be the wettest, receiving 131 mm of rain, while July is much drier with just 41 mm.

For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Guernsey island, the United Kingdom?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.