Seinajoki — weather by month, water temperature

The average maximum daily temperature — 21.2°C in July. Average maximum night temperature — 13.1°C in July. The average minimum daily temperature — -5.2°C in January. The average minimum night temperature — -6.2°C in January.

Average maximum temperature of the water — 16.5°C fixed in August. The average minimum temperature of the water — -0.9°C fixed in February.

Maximum precipitation — 77.4 mm It was recorded in August. Minimum precipitation — 27.3 mm It was recorded in March.