Weather in Saint Helier in August

General weather information about Saint Helier

Average annual temperature is 13.1 °C

Absolute maximum temperature: 26.0 °C

Absolute minimum temperature: 2.9 °C

Number of sunny days: 122 days

Number of rainy days: 243 days

Look at detailed online map of Saint Helier

* Weather data for Saint Helier Jersey is based on climate observations for 2026 year

Saint Helier air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.711.013.513.316.922.422.222.026.022.415.713.8
Average daytime temperature (°C)9.69.010.311.414.317.918.118.620.517.113.011.5
Average temperature (°C)8.68.09.110.112.916.217.117.518.615.711.910.6
Average night temperature (°C)7.57.08.08.911.614.716.116.617.214.610.79.6
Absolute minimum temperature (°C)2.94.13.66.510.112.214.715.112.610.56.55.3

Saint Helier 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)8.710.211.913.715.316.215.814.412.610.89.28.3
Daylight minimum duration (h)8.09.010.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)3.75.96.48.612.212.811.09.69.66.94.53.9
Precipitation (mm)125141165927208510287131288111
Sunny days61241420217891236
Rainy days25162716119242321192725
Snow days000000000000

Saint Helier - weather forecast by months

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

Best time to visit Saint Helier:

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

  • May — 12.2(h)
  • June — 12.8(h)
  • July — 11.0(h)

Months with the longest average daylight duration in Saint Helier:

  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Saint Helier is at

  • January — 125(mm)
  • October — 131(mm)
  • November — 288(mm)

    • Weather forecast in the closest to Saint Helier admin centers

    Weather forecast in the closest towns to Saint Helier

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    Frequently asked questions

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