Climate Insights for Seinäjoki

The climate in Seinäjoki is cool. The average annual temperature is 5°C and approximately 685 mm of precipitation falls per year. Seinäjoki receives a notable amount of rainfall throughout the year, including during its driest month. Seinäjoki is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, March, when temperatures can drop to -8°C. Snowfall occurs from January to December, with around 164cm accumulating over the season.The climate in Seinäjoki is cool. The average annual temperature is 41°F and approximately 27 in of precipitation falls per year. Seinäjoki receives a notable amount of rainfall throughout the year, including during its driest month. Seinäjoki is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, March, when temperatures can drop to 17°F. Snowfall occurs from January to December, with around 64in accumulating over the season.

Temperatures in Seinäjoki vary considerably across the year, with a 29°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -8°C and the daily average is -6°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 6°C shift in average temperatures.Temperatures in Seinäjoki vary considerably across the year, with a 53°F difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 70°F with a mean of 63°F. The coldest month is January, when overnight lows fall to 17°F and the daily average is 22°F. Daily temperature variation is modest, with an average difference of 14°F between highs and lows. The sharpest temperature change occurs between April and May, with a 12°F shift in average temperatures.

Seinäjoki is a relatively dry area, receiving approximately 685 mm of precipitation annually, which averages out to around 57 mm per month. The wettest month is August, averaging 106 mm of rainfall. July and June also tend to see above-average precipitation. The driest month is March, with just 34 mm. That's 72 mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 164cm accumulating over the season. January typically sees the most snow at around 33cm.Seinäjoki is a relatively dry area, receiving approximately 27 in of precipitation annually, which averages out to around 2.2 in per month. The wettest month is August, averaging 4.2 in of rainfall. July and June also tend to see above-average precipitation. The driest month is March, with just 1.3 in. That's 2.8 in less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 64in accumulating over the season. January typically sees the most snow at around 13in.

Seinäjoki is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 11km/h in spring, 11km/h in summer, 12km/h in autumn.Seinäjoki is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8mph in winter, 7mph in spring, 7mph in summer, 7mph in autumn.

The best time to visit Seinäjoki is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 74 mm per month. By contrast, January can be quite cold with temperatures dropping to -8°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Seinäjoki is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 61°F with modest rainfall averaging 2.9 in per month. By contrast, January can be quite cold with temperatures dropping to 17°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Seinäjoki based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Seinäjoki based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.