Koper — tempestas per mensem, aqua temperatus

In mediocris quotidie temperatus maximum — 29.5°C July. Maximum temperatus nocte mediocris — 18.9°C August. Minimum quotidie mediocris temperatus — 7.4°C in January. Mediocris nocte minimum temperatus — 2.5°C in January.

Mediocris maximum temperatus aqua — 25.7°C fixum August. Minimum temperatus medium aquae — 9.2°C fixum February.

Maximum praecipitatio — 121.8 mm Memoriae proditum November. Minimum praecipitatio — 68.7 mm Memoriae proditum in January.