Best year time to visit Riomäki

General weather information about Riomäki

Average annual temperature is 3.6 °C

Absolute maximum temperature: 27.8 °C

Absolute minimum temperature: -22.3 °C

Number of sunny days: 118 days

Number of rainy days: 154 days

Number of snow days: 93 days

Look at detailed online map of Riomäki

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

Riomäki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.63.33.014.822.327.324.227.821.411.52.62.6
Average daytime temperature (°C)-2.5-3.2-2.27.214.219.518.420.215.82.9-3.0-5.7
Average temperature (°C)-4.3-5.7-5.81.19.414.915.116.212.80.6-4.8-7.3
Average night temperature (°C)-6.3-8.1-10.0-4.03.69.211.311.99.5-1.7-6.9-8.8
Absolute minimum temperature (°C)-20.2-18.4-22.3-12.6-4.4-1.68.55.93.2-9.2-18.9-15.2

Riomäki 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)5.78.611.815.118.320.519.416.313.09.86.74.6
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.12.15.110.211.814.29.710.16.02.90.20.2
Precipitation (mm)802864484370192135110705544
Sunny days813112213133941165
Rainy days7128161728222613122
Snow days16141802000071224

Riomäki - weather forecast by months

Riomäki weather in januaryRiomäki weather in februaryRiomäki weather in marchRiomäki weather in aprilRiomäki weather in mayRiomäki weather in juneRiomäki weather in julyRiomäki weather in augustRiomäki weather in septemberRiomäki weather in octoberRiomäki weather in novemberRiomäki weather in december

Best time to visit Riomäki:

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

  • April — 10.2(h)
  • May — 11.8(h)
  • June — 14.2(h)
  • July — 9.7(h)
  • August — 10.1(h)

Months with the longest average daylight duration in Riomäki:

  • May — 18.3(h)
  • June — 20.5(h)
  • July — 19.4(h)
  • August — 16.3(h)

The largest precipitation sum in Riomäki is at

  • July — 192(mm)
  • August — 135(mm)
  • September — 110(mm)

    • Weather forecast in the closest to Riomäki admin centers

    Weather forecast in the closest towns to Riomäki

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    Frequently asked questions

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