Best year time to visit Roiso

General weather information about Roiso

Average annual temperature is 5.5 °C

Absolute maximum temperature: 30.0 °C

Absolute minimum temperature: -17.5 °C

Number of sunny days: 121 days

Number of rainy days: 178 days

Number of snow days: 66 days

Look at detailed online map of Roiso

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

Roiso air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.33.96.119.022.927.824.830.021.714.26.82.9
Average daytime temperature (°C)-1.6-1.90.19.715.420.520.221.417.75.70.0-4.5
Average temperature (°C)-3.6-4.1-2.93.710.816.216.917.714.63.5-1.6-6.2
Average night temperature (°C)-5.9-6.6-6.3-1.75.710.613.414.111.61.6-3.1-8.3
Absolute minimum temperature (°C)-16.5-17.5-16.0-12.8-1.51.99.39.77.2-4.3-11.8-15.1

Roiso 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)6.59.011.814.717.519.218.315.812.910.07.35.7
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.92.24.811.913.415.211.910.87.34.30.30.2
Precipitation (mm)78238030363715892911156554
Sunny days12942215125971169
Rainy days125107141826222320147
Snow days7141712000001015

Roiso - weather forecast by months

Roiso weather in januaryRoiso weather in februaryRoiso weather in marchRoiso weather in aprilRoiso weather in mayRoiso weather in juneRoiso weather in julyRoiso weather in augustRoiso weather in septemberRoiso weather in octoberRoiso weather in novemberRoiso weather in december

Best time to visit Roiso:

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

  • April — 11.9(h)
  • May — 13.4(h)
  • June — 15.2(h)
  • July — 11.9(h)
  • August — 10.8(h)

Months with the longest average daylight duration in Roiso:

  • May — 17.5(h)
  • June — 19.2(h)
  • July — 18.3(h)
  • August — 15.8(h)

The largest precipitation sum in Roiso is at

  • July — 158(mm)
  • August — 92(mm)
  • September — 91(mm)
  • October — 115(mm)

    • Weather forecast in the closest to Roiso admin centers

    Weather forecast in the closest towns to Roiso

    Explore Roiso

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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