Best year time to visit Guernsey

General weather information about Guernsey

Average annual temperature is 11.7 °C

Absolute maximum temperature: 36.7 °C

Absolute minimum temperature: -21.7 °C

Number of sunny days: 202 days

Number of rainy days: 143 days

Number of snow days: 20 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)12.812.222.427.231.332.234.136.734.331.017.914.2
Average daytime temperature (°C)1.64.88.217.324.728.828.528.426.617.810.46.6
Average temperature (°C)-2.6-1.12.610.418.222.923.423.520.713.35.42.5
Average night temperature (°C)-5.5-5.6-1.65.012.117.418.419.015.99.31.4-0.4
Absolute minimum temperature (°C)-21.7-21.3-12.7-3.53.29.212.412.810.3-3.8-12.3-6.8

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)9.610.611.913.314.515.114.913.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.014.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.57.27.29.511.812.112.411.310.07.37.34.5
Precipitation (mm)537951546352566465821758
Sunny days171614182115141815172116
Rainy days891311101517131513712
Snow days634100000123

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:

  • May — 11.8(h)
  • June — 12.1(h)
  • July — 12.4(h)
  • August — 11.3(h)

The largest precipitation sum in Guernsey is at

  • February — 79(mm)
  • October — 82(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.