Best year time to visit Guernsey

General weather information about Guernsey

Average annual temperature is 12.2 °C

Absolute maximum temperature: 35.0 °C

Absolute minimum temperature: -13.2 °C

Number of sunny days: 176 days

Number of rainy days: 175 days

Number of snow days: 14 days

Look at detailed online map of Guernsey

* Weather data for Guernsey United States is based on climate observations for 2026 year

Guernsey air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.415.618.426.832.434.034.235.031.629.022.414.8
Average daytime temperature (°C)5.18.69.218.024.528.528.827.025.018.311.47.9
Average temperature (°C)1.32.53.710.917.821.823.122.019.613.45.84.0
Average night temperature (°C)-1.5-1.6-0.45.011.415.718.017.614.99.61.51.3
Absolute minimum temperature (°C)-12.1-13.2-9.5-3.22.39.613.111.48.6-3.2-9.8-7.5

Guernsey monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.014.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)3.27.56.58.710.311.512.210.69.16.77.14.0
Precipitation (mm)718312059594961160551232274
Sunny days81713151817101516112214
Rainy days1791715131321161419615
Snow days621000000122

Best time to visit Guernsey:

The best time to visit Guernsey during the most sunny months:

  • May — 10.3(h)
  • June — 11.5(h)
  • July — 12.2(h)
  • August — 10.6(h)

The largest precipitation sum in Guernsey is at

  • March — 120(mm)
  • August — 160(mm)
  • October — 123(mm)
  • Frequently asked questions

    When is the best time to visit Guernsey?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Guernsey.
    What is the weather like in Guernsey?
    See average temperature, rainfall and daylight hours for Guernsey by month in the table above.
    How many sunny days does Guernsey have?
    The monthly weather statistics above show sunshine and rainfall patterns for Guernsey throughout the year.