Porvoo — tempestas per mensem, aqua temperatus

In mediocris quotidie temperatus maximum — 19.2°C July. Maximum temperatus nocte mediocris — 15.7°C August. Minimum quotidie mediocris temperatus — -2.2°C in January. Mediocris nocte minimum temperatus — -4°C February.

Mediocris maximum temperatus aqua — 17.4°C fixum August. Minimum temperatus medium aquae — -0.5°C fixum February.

Maximum praecipitatio — 69.6 mm Memoriae proditum October. Minimum praecipitatio — 37.1 mm Memoriae proditum Itinere.