Best year time to visit Heinu

General weather information about Heinu

Average annual temperature is 5.4 °C

Absolute maximum temperature: 29.4 °C

Absolute minimum temperature: -18.7 °C

Number of sunny days: 121 days

Number of rainy days: 172 days

Number of snow days: 72 days

Look at detailed online map of Heinu

* Weather data for Heinu Finland is based on climate observations for 2026 year

Heinu air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.85.35.317.424.028.424.029.421.013.76.83.6
Average daytime temperature (°C)-0.8-1.00.09.615.020.919.919.817.45.50.2-3.8
Average temperature (°C)-2.5-3.2-3.23.910.116.216.316.414.23.3-1.1-5.5
Average night temperature (°C)-4.4-6.5-7.3-1.74.510.412.312.911.21.2-3.0-7.9
Absolute minimum temperature (°C)-16.5-16.4-18.7-14.6-1.92.710.19.94.6-5.1-13.0-14.3

Heinu monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.018.019.019.017.014.011.08.06.0
Daylight mean duration (h)6.69.011.814.717.419.118.315.812.910.17.35.7
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.62.55.111.512.214.812.28.17.14.20.50.2
Precipitation (mm)652971243832130169511168336
Sunny days7127231515569967
Rainy days13287141526252119157
Snow days1114160200003917

Heinu - weather forecast by months

Heinu weather in januaryHeinu weather in februaryHeinu weather in marchHeinu weather in aprilHeinu weather in mayHeinu weather in juneHeinu weather in julyHeinu weather in augustHeinu weather in septemberHeinu weather in octoberHeinu weather in novemberHeinu weather in december

Best time to visit Heinu:

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

  • April — 11.5(h)
  • May — 12.2(h)
  • June — 14.8(h)
  • July — 12.2(h)

Months with the longest average daylight duration in Heinu:

  • May — 17.4(h)
  • June — 19.1(h)
  • July — 18.3(h)
  • August — 15.8(h)

The largest precipitation sum in Heinu is at

  • July — 130(mm)
  • August — 169(mm)
  • October — 116(mm)

    • Weather forecast in the closest to Heinu admin centers

    Weather forecast in the closest towns to Heinu

    Explore Heinu

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    Frequently asked questions

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