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Seinäjoki Climate by Month

The graphs below provide an overview of the climate in Seinäjoki (Western Finland), Finland. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Seinäjoki

Tue   Nov 05
8°C | 1°C
W 14 km/h
partly cloudy and no rain

partly cloudy and no rain

Wed   Nov 06
5°C | 2°C
W 11 km/h
almost clear and no rain

almost clear and no rain

Thu   Nov 07
6°C | 2°C
SW 11 km/h
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Seinäjoki in Finland

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is winter in Seinäjoki?
    The coldest season / winter is in the following months: January, February, November and December.
  • Which is the warmest month in Seinäjoki?
    July has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Seinäjoki?
    The coldest month is February with an average maximum temperature of -2°C.
  • Which is the wettest month in Seinäjoki?
    July tops the wettest month list with 91 mm of rainfall.
  • Which is the driest month in Seinäjoki?
    March is the driest month with 35 mm of precipitation.
  • Which is the sunniest month in Seinäjoki?
    June is the sunniest month with an average of 305 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.