World Resorts Slovenia Strunjan Weather

Strunjan weather in December

Weather in Strunjan: December

Average day temperature: 47.9°F
Average night temperature: 38.7°F
Sea water temperature: 55.5°F
Number of sunny days: 14 days
Day length: 8.7 - 9.0 hours
Number of rainy days: 4 days
Precipitation totals: 3.7 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 54°F. At the same time the lowest night temperature was 27°F. Daily and nightly averages during December were 50.8°F and 40.7°F.

Sea water temperature in Strunjan in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 56.0°F. The highest and lowest sea temperatures during the month were 57.6°F and 54.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Strunjan in December is 4.8 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 4.9 mph It makes December one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.3.

Best time for vacation in Strunjan

Sunniest months:
August 23 days
July 21 days
June 20 days
Warmest months:
August 85.1 °F
July 84.9 °F
June 80.3 °F
Warmest sea temp:
August 78.6 °F
July 78.3 °F
September 74.1 °F
Coldest months:
January 45.6 °F
December 47.9 °F
February 48.3 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.5 mph
March 6.4 mph
November 6.1 mph

Strunjan on a weather map

Strunjan
+32°F
NW 2 mph
Feels like: +32°F
Precip.: 0%
Places in Slovenia:
Name
°F
+23°F
+32°F
+32°F
+23°F
+30°F
+27°F
+32°F
+32°F
+28°F
+32°F
+28°F
+34°F
24 Hours Forecast
Strunjan
Local time: 08:39
January 01, thursday
0900
32°F
NW
2 mph
1200
41°F
NE
2 mph
1500
41°F
E
5 mph
1800
39°F
NE
4 mph
2100
32°F
SE
1 mph
January 02, friday
0000
32°F
N
1 mph
0300
32°F
E
1 mph
0600
34°F
SE
4 mph
Units of measurement: °C / °F