Guernsey Climate by Month
The temperature in Guernsey varies moderately throughout the year.
The temperatures shift from pleasant
to cold.
It maintains moderate precipitation patterns.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
The weather in Guernsey changes moderately throughout the year, offering enough variation to appreciate each season. Typically, daytime temperatures range from a pleasant 19°C in August to a chilly 11°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 7°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Guernsey has a moderate amount of precipitation, averaging 964 mm of rainfall annually. The climate in Guernsey shows significant variation throughout the year. Expect high rainfall in December, with an average of 131 mm of precipitation over 19 rainy days. In contrast, July offers drier and sunnier days, with around 41 mm of rainfall over 10 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Guernsey serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 8.4 hours of sunshine daily, and embrace the darker days in December, offering only 2.0 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Guernsey in the United Kingdom
Other facts from our historical weather data:August has an average maximum temperature of 19°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 11°C.
December tops the wettest month list with 131 mm of rainfall.
July is the driest month with 41 mm of precipitation.
July is the sunniest month with an average of 252 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.