Best year time to visit Seinäjoki

General weather information about Seinäjoki

Average annual temperature is 4.9 °C

Absolute maximum temperature: 30.1 °C

Absolute minimum temperature: -20.3 °C

Number of sunny days: 133 days

Number of rainy days: 163 days

Number of snow days: 69 days

Look at detailed online map of Seinäjoki

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

Seinäjoki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.76.35.615.422.828.225.430.123.012.95.54.4
Average daytime temperature (°C)-0.9-0.2-0.19.015.020.920.220.317.34.9-1.0-4.1
Average temperature (°C)-2.5-2.7-4.12.710.016.016.216.613.71.8-2.9-6.3
Average night temperature (°C)-4.4-5.6-8.9-3.14.39.911.912.910.2-1.0-5.2-8.9
Absolute minimum temperature (°C)-20.3-13.9-15.2-16.6-3.51.810.09.02.2-10.5-15.6-16.5

Seinäjoki monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.020.019.017.014.011.08.05.0
Daylight mean duration (h)6.08.811.814.918.020.019.016.113.09.96.95.0
Daylight minimum duration (h)5.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)0.83.24.910.212.314.711.69.26.14.60.40.5
Precipitation (mm)582249543244139156103716430
Sunny days1214822161556612710
Rainy days1028814152625241795
Snow days9121501000021416

Best time to visit Seinäjoki:

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

  • April — 10.2(h)
  • May — 12.3(h)
  • June — 14.7(h)
  • July — 11.6(h)
  • August — 9.2(h)

Months with the longest average daylight duration in Seinäjoki:

  • May — 18.0(h)
  • June — 20.0(h)
  • July — 19.0(h)
  • August — 16.1(h)

The largest precipitation sum in Seinäjoki is at

  • July — 139(mm)
  • August — 156(mm)
  • September — 103(mm)
  • Frequently asked questions

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