When planning a visit to Guernsey island in the United Kingdom, it helps to know that temperatures typically range from 10°C (50°F) in February up to 19°C (66°F) during the peak of August. Our detailed climate overview is based on data from Guernsey, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Guernsey island changes throughout the year, with no distinct months of consistently pleasant temperatures.
When it comes to rainfall, Guernsey island sees significant variations throughout the year. December tends to be the wettest, receiving 131 mm (5.2 in) of rain, while July is much drier with just 41 mm (1.6 in).
For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.
