Best year time to visit Saint Johns

General weather information about Saint Johns

Average annual temperature is 13.0 °C

Absolute maximum temperature: 21.5 °C

Absolute minimum temperature: 4.3 °C

Number of sunny days: 125 days

Number of rainy days: 240 days

Look at detailed online map of Saint Johns

* Weather data for Saint Johns Guernsey is based on climate observations for 2026 year

Saint Johns air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.011.312.712.915.218.820.020.721.520.315.814.3
Average daytime temperature (°C)10.29.710.310.913.115.917.117.919.116.813.312.2
Average temperature (°C)9.38.89.310.012.215.016.417.118.015.812.311.3
Average night temperature (°C)8.27.98.49.311.514.215.816.517.014.811.210.4
Absolute minimum temperature (°C)4.35.64.57.610.512.214.515.313.211.27.35.6

Saint Johns 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)8.710.111.913.715.416.215.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)3.65.75.68.812.213.011.09.79.46.74.63.8
Precipitation (mm)127141096128215410972137209171
Sunny days513214212111913925
Rainy days26152916109202217222826
Snow days000000000000

Saint Johns - weather forecast by months

Saint Johns weather in januarySaint Johns weather in februarySaint Johns weather in marchSaint Johns weather in aprilSaint Johns weather in maySaint Johns weather in juneSaint Johns weather in julySaint Johns weather in augustSaint Johns weather in septemberSaint Johns weather in octoberSaint Johns weather in novemberSaint Johns weather in december

Best time to visit Saint Johns:

The best time to visit Saint Johns during the most sunny months:

  • May — 12.2(h)
  • June — 13.0(h)
  • July — 11.0(h)

Months with the longest average daylight duration in Saint Johns:

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

The largest precipitation sum in Saint Johns is at

  • January — 127(mm)
  • October — 137(mm)
  • November — 209(mm)
  • December — 171(mm)

    • Weather forecast in the closest to Saint Johns admin centers

    Weather forecast in the closest towns to Saint Johns

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    Frequently asked questions

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