Seinäjoki Weather & Climate: Best Time to Visit

The climate in Seinäjoki is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 22°C (72°F) in July. In February, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).

At night, temperatures range from around 12°C (54°F) in July to -10°C (14°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Seinäjoki receives mid-range precipitation levels, with 678 mm (27 in) annually. Seinäjoki can be quite wet during July, receiving approximately 91 mm (3.6 in) of precipitation over 14 rainy days.

In contrast, during the driest month (March), you will experience much drier conditions, with 35 mm (1.4 in) of precipitation spread across 15 snowy/rainy days days. For more details, please visit our Seinäjoki Precipitation page.

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

The average number of days each month with precipitation

Seinäjoki can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 10.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 0.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine