Best year time to visit Hieru

General weather information about Hieru

Average annual temperature is 4.0 °C

Absolute maximum temperature: 27.5 °C

Absolute minimum temperature: -18.5 °C

Number of sunny days: 109 days

Number of rainy days: 179 days

Number of snow days: 77 days

Look at detailed online map of Hieru

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

Hieru air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.22.73.716.822.226.624.227.521.111.52.41.9
Average daytime temperature (°C)-2.6-3.1-2.17.314.119.518.520.116.13.4-2.5-5.7
Average temperature (°C)-4.1-5.4-4.91.29.615.115.416.713.31.5-4.1-7.2
Average night temperature (°C)-5.8-7.8-7.8-3.24.410.012.313.110.6-0.3-5.7-8.4
Absolute minimum temperature (°C)-16.6-18.5-17.2-10.6-2.91.510.07.96.5-8.5-18.3-14.9

Hieru monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.020.020.017.014.011.08.05.0
Daylight mean duration (h)6.08.711.814.918.020.119.016.113.09.96.95.0
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)0.72.45.010.512.414.79.910.96.33.40.20.2
Precipitation (mm)70307521617021196109867851
Sunny days8962212125751058
Rainy days103108171826242518155
Snow days13161502000031018

Hieru - weather forecast by months

Hieru weather in januaryHieru weather in februaryHieru weather in marchHieru weather in aprilHieru weather in mayHieru weather in juneHieru weather in julyHieru weather in augustHieru weather in septemberHieru weather in octoberHieru weather in novemberHieru weather in december

Best time to visit Hieru:

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

  • April — 10.5(h)
  • May — 12.4(h)
  • June — 14.7(h)
  • July — 9.9(h)
  • August — 10.9(h)

Months with the longest average daylight duration in Hieru:

  • May — 18.0(h)
  • June — 20.1(h)
  • July — 19.0(h)
  • August — 16.1(h)

The largest precipitation sum in Hieru is at

  • July — 211(mm)
  • September — 109(mm)

    • Weather forecast in the closest to Hieru admin centers

    Weather forecast in the closest towns to Hieru

    Explore Hieru

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    MapTrains schedule
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    Frequently asked questions

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