Best year time to visit Guernsey

General weather information about Guernsey

Average annual temperature is 18.5 °C

Absolute maximum temperature: 47.0 °C

Absolute minimum temperature: -1.2 °C

Number of sunny days: 286 days

Number of rainy days: 79 days

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* 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)19.520.421.335.137.843.147.043.538.537.927.724.9
Average daytime temperature (°C)14.215.716.324.730.232.942.138.733.629.622.017.6
Average temperature (°C)8.48.010.416.521.924.432.229.425.220.413.510.5
Average night temperature (°C)4.42.55.810.014.717.322.821.718.413.26.95.5
Absolute minimum temperature (°C)-0.4-1.2-0.92.08.013.817.118.814.46.11.50.8

Guernsey monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.614.313.512.411.310.39.7
Daylight minimum duration (h)9.010.011.012.013.014.014.012.011.010.09.09.0
Sunshine mean duration (h)5.98.48.511.912.213.113.311.711.110.28.86.6
Precipitation (mm)1611081371137022202773
Sunny days131713282727312726302423
Rainy days181118243044168
Snow days000000000000

Guernsey - weather forecast by months

Guernsey weather in januaryGuernsey weather in februaryGuernsey weather in marchGuernsey weather in aprilGuernsey weather in mayGuernsey weather in juneGuernsey weather in julyGuernsey weather in augustGuernsey weather in septemberGuernsey weather in octoberGuernsey weather in novemberGuernsey weather in december

Best time to visit Guernsey:

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

  • June — 13.1(h)
  • July — 13.3(h)

The largest precipitation sum in Guernsey is at

  • January — 161(mm)
  • February — 108(mm)
  • March — 137(mm)
  • December — 73(mm)

    • Weather forecast in the closest to Guernsey admin centers

    Weather forecast in the closest towns to Guernsey

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    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.