Seinajoki — tempestas per mensem, aqua temperatus

In mediocris quotidie temperatus maximum — 21.2°C July. Maximum temperatus nocte mediocris — 13.1°C July. Minimum quotidie mediocris temperatus — -5.2°C in January. Mediocris nocte minimum temperatus — -6.2°C in January.

Mediocris maximum temperatus aqua — 16.5°C fixum August. Minimum temperatus medium aquae — -0.9°C fixum February.

Maximum praecipitatio — 77.4 mm Memoriae proditum August. Minimum praecipitatio — 27.3 mm Memoriae proditum Itinere.