Best year time to visit Jänessaari

General weather information about Jänessaari

Average annual temperature is 6.3 °C

Absolute maximum temperature: 30.5 °C

Absolute minimum temperature: -17.4 °C

Number of sunny days: 138 days

Number of rainy days: 181 days

Number of snow days: 46 days

Look at detailed online map of Jänessaari

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

Jänessaari air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.17.27.316.324.829.524.830.523.315.38.44.6
Average daytime temperature (°C)1.00.81.310.315.122.120.520.417.97.51.7-2.4
Average temperature (°C)-0.9-1.5-2.44.610.116.916.817.014.94.8-0.2-4.3
Average night temperature (°C)-2.9-4.5-6.9-1.33.910.212.813.811.42.2-2.5-6.6
Absolute minimum temperature (°C)-17.2-13.2-17.3-13.6-2.82.710.910.85.0-4.8-11.5-17.4

Jänessaari monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.019.018.016.014.011.08.06.0
Daylight mean duration (h)6.79.111.814.617.318.918.115.612.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.43.45.910.913.315.713.59.38.05.21.40.5
Precipitation (mm)783886213242116220601409436
Sunny days1113122121175210989
Rainy days16789101326292021148
Snow days48110000001814

Jänessaari - weather forecast by months

Jänessaari weather in januaryJänessaari weather in februaryJänessaari weather in marchJänessaari weather in aprilJänessaari weather in mayJänessaari weather in juneJänessaari weather in julyJänessaari weather in augustJänessaari weather in septemberJänessaari weather in octoberJänessaari weather in novemberJänessaari weather in december

Best time to visit Jänessaari:

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

  • April — 10.9(h)
  • May — 13.3(h)
  • June — 15.7(h)
  • July — 13.5(h)
  • August — 9.3(h)

Months with the longest average daylight duration in Jänessaari:

  • May — 17.3(h)
  • June — 18.9(h)
  • July — 18.1(h)
  • August — 15.6(h)

The largest precipitation sum in Jänessaari is at

  • July — 116(mm)
  • August — 220(mm)
  • October — 140(mm)

    • Weather forecast in the closest to Jänessaari admin centers

    Weather forecast in the closest towns to Jänessaari

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    Frequently asked questions

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