Weather in Herttuansaari in January

General weather information about Herttuansaari

Average annual temperature is 4.9 °C

Absolute maximum temperature: 27.4 °C

Absolute minimum temperature: -17.5 °C

Number of sunny days: 119 days

Number of rainy days: 173 days

Number of snow days: 73 days

Look at detailed online map of Herttuansaari

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

Herttuansaari air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.33.24.817.222.527.424.626.221.212.94.02.1
Average daytime temperature (°C)-2.2-2.7-1.37.914.419.719.120.216.94.6-1.4-5.1
Average temperature (°C)-3.8-4.7-3.82.410.315.916.417.514.32.8-2.8-6.7
Average night temperature (°C)-5.7-7.0-6.9-2.55.711.213.314.411.71.0-4.1-8.8
Absolute minimum temperature (°C)-15.4-17.5-14.5-13.5-3.22.011.39.18.1-5.9-13.6-13.8

Herttuansaari 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)6.38.911.814.817.719.518.615.912.910.07.15.4
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.05.05.0
Sunshine mean duration (h)0.61.85.011.612.815.311.110.97.13.60.20.2
Precipitation (mm)713177173680157811031057648
Sunny days10852311147117968
Rainy days9597181624202317169
Snow days1215170200005814

Herttuansaari - weather forecast by months

Herttuansaari weather in januaryHerttuansaari weather in februaryHerttuansaari weather in marchHerttuansaari weather in aprilHerttuansaari weather in mayHerttuansaari weather in juneHerttuansaari weather in julyHerttuansaari weather in augustHerttuansaari weather in septemberHerttuansaari weather in octoberHerttuansaari weather in novemberHerttuansaari weather in december

Best time to visit Herttuansaari:

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

  • April — 11.6(h)
  • May — 12.8(h)
  • June — 15.3(h)
  • July — 11.1(h)
  • August — 10.9(h)

Months with the longest average daylight duration in Herttuansaari:

  • May — 17.7(h)
  • June — 19.5(h)
  • July — 18.6(h)
  • August — 15.9(h)

The largest precipitation sum in Herttuansaari is at

  • July — 157(mm)
  • September — 103(mm)
  • October — 105(mm)

    • Weather forecast in the closest to Herttuansaari admin centers

    Weather forecast in the closest towns to Herttuansaari

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    Frequently asked questions

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