Best year time to visit Sillanmäki

General weather information about Sillanmäki

Average annual temperature is 5.7 °C

Absolute maximum temperature: 29.8 °C

Absolute minimum temperature: -19.7 °C

Number of sunny days: 123 days

Number of rainy days: 175 days

Number of snow days: 67 days

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

Sillanmäki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.45.66.117.722.128.024.529.821.814.57.43.8
Average daytime temperature (°C)-1.0-1.20.69.915.421.420.621.417.96.10.7-3.6
Average temperature (°C)-3.0-3.8-2.54.010.416.316.717.414.63.7-1.0-5.6
Average night temperature (°C)-5.1-7.3-6.0-1.44.610.012.613.511.11.4-3.0-8.0
Absolute minimum temperature (°C)-16.7-19.7-15.1-8.8-2.71.710.38.76.6-4.9-11.2-16.6

Sillanmäki 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)6.69.111.814.717.419.018.215.712.910.17.45.8
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.62.34.611.612.915.012.810.17.54.00.60.3
Precipitation (mm)108328820372811484851047160
Sunny days11126251713567966
Rainy days113951217262523191510
Snow days913160200003915

Sillanmäki - weather forecast by months

Sillanmäki weather in januarySillanmäki weather in februarySillanmäki weather in marchSillanmäki weather in aprilSillanmäki weather in maySillanmäki weather in juneSillanmäki weather in julySillanmäki weather in augustSillanmäki weather in septemberSillanmäki weather in octoberSillanmäki weather in novemberSillanmäki weather in december

Best time to visit Sillanmäki:

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

  • April — 11.6(h)
  • May — 12.9(h)
  • June — 15.0(h)
  • July — 12.8(h)
  • August — 10.1(h)

Months with the longest average daylight duration in Sillanmäki:

  • May — 17.4(h)
  • June — 19.0(h)
  • July — 18.2(h)
  • August — 15.7(h)

The largest precipitation sum in Sillanmäki is at

  • January — 108(mm)
  • March — 88(mm)
  • July — 114(mm)
  • October — 104(mm)

    • Weather forecast in the closest to Sillanmäki admin centers

    Weather forecast in the closest towns to Sillanmäki

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    Frequently asked questions

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