World Resorts Slovenia Strunjan Weather

Strunjan sea water temperature

Current sea water temperature:
+57.0°F
Minimum sea water temperature in December: 60.4°F
Maximum sea water temperature in December: 50.4°F
Average sea water temperature in December: 55.5°F

Sea water temperature for the last 10 days:

December 4 57.0°F November 29 57.9°F
December 3 57.0°F November 28 58.5°F
December 2 56.8°F November 27 58.6°F
December 1 56.8°F November 26 58.5°F
November 30 57.4°F November 25 58.6°F

When is the warmest sea in Strunjan?

Based on the data about daily sea water temperature for the last three years the warmest sea in Strunjan was noticed in August, July and September.

Monthly Sea Temperatures in Strunjan, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 77.1°F. The highest and lowest sea temperatures during the month were 79.2°F and 74.5°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 78.9°F. The highest and lowest sea temperatures during the month were 81.9°F and 76.6°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 75.2°F. The highest and lowest sea temperatures during the month were 77.0°F and 73.0°F.

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 47.7 °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
+43°F
W 5 mph
Feels like: +41°F
Precip.: 0%
Places in Slovenia:
Name
°F
+36°F
+43°F
+43°F
+34°F
+37°F
+34°F
+43°F
+43°F
+43°F
+34°F
+43°F
24 Hours Forecast
Strunjan
Local time: 04:27
December 05, friday
0600
43°F
W
4 mph
0900
45°F
W
4 mph
1200
50°F
SW
5 mph
1500
48°F
SW
6 mph
1800
45°F
SW
7 mph
2100
39°F
SW
6 mph
December 06, saturday
0000
39°F
SW
6 mph
0300
43°F
SW
6 mph
Units of measurement: °C / °F