World Resorts Slovenia Piran Weather

Piran sea water temperature

Current sea water temperature:
+81.0°F
Minimum sea water temperature in August: 84.7°F
Maximum sea water temperature in August: 74.3°F
Average sea water temperature in August: 78.7°F

Sea water temperature for the last 10 days:

August 10 81.0°F August 5 83.5°F
August 9 81.3°F August 4 82.6°F
August 8 83.5°F August 3 82.6°F
August 7 84.6°F August 2 82.8°F
August 6 83.8°F August 1 82.2°F

When is the warmest sea in Piran?

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

Monthly Sea Temperatures in Piran, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 79.5°F and 74.5°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 80.0°F. The highest and lowest sea temperatures during the month were 84.0°F and 77.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 75.3°F. The highest and lowest sea temperatures during the month were 77.2°F and 73.0°F.

Best time for vacation in Piran

Sunniest months:
August 23 days
July 22 days
June 20 days
Warmest months:
August 85.1 °F
July 84.9 °F
June 80.5 °F
Warmest sea temp:
August 78.7 °F
July 78.5 °F
September 74.2 °F
Coldest months:
January 45.5 °F
December 48.0 °F
February 48.6 °F
Rainiest months:
November 6 days
May 6 days
September 6 days
Windiest months:
February 6.4 mph
March 6.3 mph
November 6.1 mph

Piran on a weather map

Piran
+88°F
SW 3 mph
Feels like: +90°F
Precip.: 1%
Places in Slovenia:
Name
°F
+72°F
+77°F
+86°F
+88°F
+77°F
+81°F
+88°F
+86°F
+86°F
+73°F
24 Hours Forecast
Piran
Local time: 08:08
August 11, tuesday
0900
88°F
SW
3 mph
1200
97°F
SE
2 mph
1500
95°F
E
4 mph
1800
93°F
SE
3 mph
2100
82°F
SW
11 mph
August 12, wednesday
0000
73°F
W
10 mph
0300
70°F
W
7 mph
0600
68°F
W
8 mph
Units of measurement: °C / °F