Best year time to visit Harju

General weather information about Harju

Average annual temperature is 5.5 °C

Absolute maximum temperature: 29.5 °C

Absolute minimum temperature: -15.0 °C

Number of sunny days: 125 days

Number of rainy days: 172 days

Number of snow days: 68 days

Look at detailed online map of Harju

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

Harju air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.55.04.617.423.828.624.529.521.113.66.73.0
Average daytime temperature (°C)-0.9-1.1-0.19.514.920.520.220.117.65.20.1-3.8
Average temperature (°C)-2.5-3.0-3.13.810.016.016.816.814.43.2-1.3-5.4
Average night temperature (°C)-4.0-5.6-6.4-1.44.610.713.413.611.71.4-3.0-7.2
Absolute minimum temperature (°C)-11.7-12.5-15.0-9.4-1.62.711.510.97.1-5.4-13.2-12.5

Harju 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)6.59.011.814.717.519.218.415.812.910.07.35.6
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.62.55.111.411.914.611.88.66.84.20.30.2
Precipitation (mm)602574243736141145601087634
Sunny days912822171444101168
Rainy days11388121627272019138
Snow days11131502000011115

Harju - weather forecast by months

Harju weather in januaryHarju weather in februaryHarju weather in marchHarju weather in aprilHarju weather in mayHarju weather in juneHarju weather in julyHarju weather in augustHarju weather in septemberHarju weather in octoberHarju weather in novemberHarju weather in december

Best time to visit Harju:

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

  • April — 11.4(h)
  • May — 11.9(h)
  • June — 14.6(h)
  • July — 11.8(h)
  • August — 8.6(h)

Months with the longest average daylight duration in Harju:

  • May — 17.5(h)
  • June — 19.2(h)
  • July — 18.4(h)
  • August — 15.8(h)

The largest precipitation sum in Harju is at

  • July — 141(mm)
  • August — 145(mm)
  • October — 108(mm)

    • Weather forecast in the closest to Harju admin centers

    Weather forecast in the closest towns to Harju

    Explore Harju

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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