Best year time to visit Guernesey

General weather information about Guernesey

Average annual temperature is 12.6 °C

Absolute maximum temperature: 30.1 °C

Absolute minimum temperature: -2.2 °C

Number of sunny days: 109 days

Number of rainy days: 256 days

Look at detailed online map of Guernesey

* Weather data for Guernesey France is based on climate observations for 2026 year

Guernesey air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.113.218.718.120.730.127.628.428.027.115.513.3
Average daytime temperature (°C)8.89.011.212.014.920.320.420.122.117.611.810.5
Average temperature (°C)7.36.98.99.512.717.317.817.919.014.910.38.9
Average night temperature (°C)5.54.86.86.810.314.115.415.515.812.58.67.2
Absolute minimum temperature (°C)0.5-2.00.92.47.511.311.413.811.76.13.9-2.2

Guernesey monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.710.111.913.815.416.215.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)3.05.35.68.911.612.611.010.79.86.84.03.0
Precipitation (mm)12718120100453813111654121230108
Sunny days31259182037131117
Rainy days281626211310282417202924
Snow days000000000000

Guernesey - weather forecast by months

Guernesey weather in januaryGuernesey weather in februaryGuernesey weather in marchGuernesey weather in aprilGuernesey weather in mayGuernesey weather in juneGuernesey weather in julyGuernesey weather in augustGuernesey weather in septemberGuernesey weather in octoberGuernesey weather in novemberGuernesey weather in december

Best time to visit Guernesey:

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

  • May — 11.6(h)
  • June — 12.6(h)
  • July — 11.0(h)
  • August — 10.7(h)
  • September — 9.8(h)

Months with the longest average daylight duration in Guernesey:

  • May — 15.4(h)
  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Guernesey is at

  • January — 127(mm)
  • July — 131(mm)
  • November — 230(mm)

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    Frequently asked questions

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