Best year time to visit Somero

General weather information about Somero

Average annual temperature is 3.9 °C

Absolute maximum temperature: 28.4 °C

Absolute minimum temperature: -18.5 °C

Number of sunny days: 131 days

Number of rainy days: 159 days

Number of snow days: 75 days

Look at detailed online map of Somero

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

Somero air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.74.73.115.823.528.125.028.422.311.64.63.8
Average daytime temperature (°C)-1.7-1.6-2.16.514.119.719.120.515.93.3-2.0-5.0
Average temperature (°C)-3.6-4.3-5.80.89.215.215.516.312.80.6-4.2-6.7
Average night temperature (°C)-5.8-7.2-9.9-4.33.79.211.412.09.3-1.9-6.8-8.5
Absolute minimum temperature (°C)-18.5-16.8-17.8-12.8-3.11.08.26.80.8-11.2-18.5-15.1

Somero monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.010.013.016.020.021.020.018.014.011.08.05.0
Daylight mean duration (h)5.58.511.815.118.520.919.616.413.09.86.54.3
Daylight minimum duration (h)4.07.010.013.016.020.018.014.011.08.05.04.0
Sunshine mean duration (h)1.22.46.29.712.814.410.710.35.74.50.50.1
Precipitation (mm)51233952556013983951036042
Sunny days9111220141438714109
Rainy days1342715162823231585
Snow days9131732000021217

Somero - weather forecast by months

Somero weather in januarySomero weather in februarySomero weather in marchSomero weather in aprilSomero weather in maySomero weather in juneSomero weather in julySomero weather in augustSomero weather in septemberSomero weather in octoberSomero weather in novemberSomero weather in december

Best time to visit Somero:

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

  • April — 9.7(h)
  • May — 12.8(h)
  • June — 14.4(h)
  • July — 10.7(h)
  • August — 10.3(h)

Months with the longest average daylight duration in Somero:

  • May — 18.5(h)
  • June — 20.9(h)
  • July — 19.6(h)
  • August — 16.4(h)

The largest precipitation sum in Somero is at

  • July — 139(mm)
  • September — 95(mm)
  • October — 103(mm)

    • Weather forecast in the closest to Somero admin centers

    Weather forecast in the closest towns to Somero

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    Frequently asked questions

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