Best year time to visit Kattelussaari

General weather information about Kattelussaari

Average annual temperature is 5.4 °C

Absolute maximum temperature: 28.4 °C

Absolute minimum temperature: -15.2 °C

Number of sunny days: 126 days

Number of rainy days: 162 days

Number of snow days: 77 days

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

Kattelussaari air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.53.65.217.122.026.624.128.421.513.85.82.9
Average daytime temperature (°C)-1.7-2.1-0.77.714.820.120.120.717.35.40.0-4.4
Average temperature (°C)-3.4-4.0-3.12.910.416.117.117.814.63.7-1.5-6.1
Average night temperature (°C)-5.0-6.2-5.7-1.15.711.614.315.012.12.2-2.9-7.9
Absolute minimum temperature (°C)-15.2-15.0-13.5-8.1-1.02.811.911.38.3-4.0-11.4-13.5

Kattelussaari 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)6.59.011.814.717.519.218.315.812.910.07.35.6
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.72.05.011.813.115.412.110.87.44.10.20.2
Precipitation (mm)68207834314814373911076655
Sunny days11126241515599956
Rainy days72106131526222119147
Snow days13141503000031118

Kattelussaari - weather forecast by months

Kattelussaari weather in januaryKattelussaari weather in februaryKattelussaari weather in marchKattelussaari weather in aprilKattelussaari weather in mayKattelussaari weather in juneKattelussaari weather in julyKattelussaari weather in augustKattelussaari weather in septemberKattelussaari weather in octoberKattelussaari weather in novemberKattelussaari weather in december

Best time to visit Kattelussaari:

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

  • April — 11.8(h)
  • May — 13.1(h)
  • June — 15.4(h)
  • July — 12.1(h)
  • August — 10.8(h)

Months with the longest average daylight duration in Kattelussaari:

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

The largest precipitation sum in Kattelussaari is at

  • July — 143(mm)
  • September — 91(mm)
  • October — 107(mm)

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    Frequently asked questions

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