Weather in Harjunummi in August

General weather information about Harjunummi

Average annual temperature is 6.0 °C

Absolute maximum temperature: 31.1 °C

Absolute minimum temperature: -17.4 °C

Number of sunny days: 139 days

Number of rainy days: 170 days

Number of snow days: 56 days

Look at detailed online map of Harjunummi

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

Harjunummi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.16.65.716.223.229.925.131.123.115.17.55.5
Average daytime temperature (°C)0.40.51.110.215.121.420.520.318.16.61.0-2.9
Average temperature (°C)-1.4-1.8-2.64.49.916.316.316.714.64.3-0.7-4.8
Average night temperature (°C)-3.3-4.5-7.1-1.04.110.412.113.411.32.1-2.6-7.7
Absolute minimum temperature (°C)-17.4-12.9-16.6-14.5-2.73.310.011.24.4-4.4-12.7-15.7

Harjunummi 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)6.69.011.814.717.419.118.315.712.910.17.45.7
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.22.85.711.213.115.712.49.57.64.80.80.3
Precipitation (mm)773395363623153155731188525
Sunny days1116820191746117713
Rainy days143910101327251922153
Snow days69140200002815

Harjunummi - weather forecast by months

Harjunummi weather in januaryHarjunummi weather in februaryHarjunummi weather in marchHarjunummi weather in aprilHarjunummi weather in mayHarjunummi weather in juneHarjunummi weather in julyHarjunummi weather in augustHarjunummi weather in septemberHarjunummi weather in octoberHarjunummi weather in novemberHarjunummi weather in december

Best time to visit Harjunummi:

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

  • April — 11.2(h)
  • May — 13.1(h)
  • June — 15.7(h)
  • July — 12.4(h)
  • August — 9.5(h)

Months with the longest average daylight duration in Harjunummi:

  • May — 17.4(h)
  • June — 19.1(h)
  • July — 18.3(h)
  • August — 15.7(h)

The largest precipitation sum in Harjunummi is at

  • July — 153(mm)
  • August — 155(mm)
  • October — 118(mm)

    • Weather forecast in the closest to Harjunummi admin centers

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    Frequently asked questions

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