Best year time to visit Karttu

General weather information about Karttu

Average annual temperature is 5.2 °C

Absolute maximum temperature: 29.6 °C

Absolute minimum temperature: -15.2 °C

Number of sunny days: 140 days

Number of rainy days: 164 days

Number of snow days: 61 days

Look at detailed online map of Karttu

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

Karttu air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.95.24.414.522.429.624.128.921.913.65.83.7
Average daytime temperature (°C)-1.0-1.2-0.28.615.020.819.919.817.45.3-0.6-3.9
Average temperature (°C)-2.6-3.1-3.32.410.016.216.216.514.13.0-2.1-5.7
Average night temperature (°C)-4.2-5.7-6.4-2.04.610.812.613.411.21.0-3.8-7.7
Absolute minimum temperature (°C)-12.7-13.1-15.2-8.4-2.72.411.210.26.0-5.6-14.8-14.7

Karttu monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.018.019.019.017.014.011.08.05.0
Daylight mean duration (h)6.48.911.814.817.619.418.515.912.910.07.25.4
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.72.95.210.812.114.811.88.86.84.60.50.3
Precipitation (mm)723084373730147166102898631
Sunny days1216102117183851299
Rainy days10299121228232516117
Snow days9101202000031015

Karttu - weather forecast by months

Karttu weather in januaryKarttu weather in februaryKarttu weather in marchKarttu weather in aprilKarttu weather in mayKarttu weather in juneKarttu weather in julyKarttu weather in augustKarttu weather in septemberKarttu weather in octoberKarttu weather in novemberKarttu weather in december

Best time to visit Karttu:

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

  • April — 10.8(h)
  • May — 12.1(h)
  • June — 14.8(h)
  • July — 11.8(h)
  • August — 8.8(h)

Months with the longest average daylight duration in Karttu:

  • May — 17.6(h)
  • June — 19.4(h)
  • July — 18.5(h)
  • August — 15.9(h)

The largest precipitation sum in Karttu is at

  • July — 147(mm)
  • August — 166(mm)
  • September — 102(mm)

    • Weather forecast in the closest to Karttu admin centers

    Weather forecast in the closest towns to Karttu

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    MapTrains schedule
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    Frequently asked questions

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