Best year time to visit Heinämäki

General weather information about Heinämäki

Average annual temperature is 4.2 °C

Absolute maximum temperature: 28.4 °C

Absolute minimum temperature: -18.8 °C

Number of sunny days: 118 days

Number of rainy days: 177 days

Number of snow days: 70 days

Look at detailed online map of Heinämäki

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

Heinämäki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.24.04.216.921.928.423.427.021.711.33.82.3
Average daytime temperature (°C)-2.1-2.0-1.37.214.320.019.119.616.43.6-2.1-5.3
Average temperature (°C)-3.8-4.4-4.71.59.615.415.616.313.31.3-3.7-6.8
Average night temperature (°C)-5.7-7.2-8.4-3.74.29.612.112.810.3-0.9-5.3-8.4
Absolute minimum temperature (°C)-16.4-18.8-15.9-14.2-5.9-0.610.38.25.1-8.7-16.1-13.7

Heinämäki 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)6.08.811.814.918.020.019.016.113.09.96.95.0
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)0.82.65.110.511.814.510.710.66.63.30.20.4
Precipitation (mm)693050385449171159112597342
Sunny days810922121244812710
Rainy days104108171827272216135
Snow days13141202000031016

Heinämäki - weather forecast by months

Heinämäki weather in januaryHeinämäki weather in februaryHeinämäki weather in marchHeinämäki weather in aprilHeinämäki weather in mayHeinämäki weather in juneHeinämäki weather in julyHeinämäki weather in augustHeinämäki weather in septemberHeinämäki weather in octoberHeinämäki weather in novemberHeinämäki weather in december

Best time to visit Heinämäki:

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

  • April — 10.5(h)
  • May — 11.8(h)
  • June — 14.5(h)
  • July — 10.7(h)
  • August — 10.6(h)

Months with the longest average daylight duration in Heinämäki:

  • May — 18.0(h)
  • June — 20.0(h)
  • July — 19.0(h)
  • August — 16.1(h)

The largest precipitation sum in Heinämäki is at

  • July — 171(mm)
  • August — 159(mm)
  • September — 112(mm)

    • Weather forecast in the closest to Heinämäki admin centers

    Weather forecast in the closest towns to Heinämäki

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    MapTrains schedule
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    Frequently asked questions

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