Weather in Slovenia in December
Koper in December
Day air temperature
+10°C
Night air temperature
+4°C
Sea temperature
+13°C
Air humidity
76%
Precipitation amount
141 mm
Rainy days 8
Sunny days 10
Cloudy days 13
Piran in December
Day air temperature
+10°C
Night air temperature
+4°C
Sea temperature
+13°C
Air humidity
73%
Precipitation amount
126 mm
Rainy days 7
Sunny days 10
Cloudy days 14
Portoroz in December
Day air temperature
+10°C
Night air temperature
+4°C
Sea temperature
+13°C
Air humidity
73%
Precipitation amount
126 mm
Rainy days 7
Sunny days 10
Cloudy days 14