Best year time to visit Saint Helen

General weather information about Saint Helen

Average annual temperature is 8.3 °C

Absolute maximum temperature: 31.9 °C

Absolute minimum temperature: -19.9 °C

Number of sunny days: 153 days

Number of rainy days: 157 days

Number of snow days: 55 days

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* Weather data for Saint Helen United States is based on climate observations for 2026 year

Saint Helen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.110.39.326.730.731.231.930.631.327.714.311.0
Average daytime temperature (°C)0.00.93.613.420.325.026.224.321.814.36.14.1
Average temperature (°C)-2.9-3.9-1.47.213.218.620.318.416.410.11.81.0
Average night temperature (°C)-5.4-7.8-5.52.47.312.915.414.012.47.1-1.4-1.2
Absolute minimum temperature (°C)-18.2-19.9-13.2-5.90.67.911.37.95.2-3.1-8.0-7.6

Saint Helen monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.514.815.515.114.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)2.75.57.07.910.511.812.010.08.65.75.32.9
Precipitation (mm)53626279245712612143634345
Sunny days91091122178111791812
Rainy days8571891323201322811
Snow days141315100000048

Saint Helen - weather forecast by months

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

Best time to visit Saint Helen:

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

  • May — 10.5(h)
  • June — 11.8(h)
  • July — 12.0(h)
  • August — 10.0(h)

Months with the longest average daylight duration in Saint Helen:

  • June — 15.5(h)

The largest precipitation sum in Saint Helen is at

  • July — 126(mm)
  • August — 121(mm)

    • Weather forecast in the closest to Saint Helen admin centers

    Weather forecast in the closest towns to Saint Helen

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    Frequently asked questions

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