Measurements:
°C
°F
Isola
46°F
NW 3 mph
Feels like: 44°F
Precip: 0%
World Resorts Slovenia Isola Weather

Isola Sea Water Temperature

Current Sea Water Temperature:
+53.4°F
Maximum Sea Water Temperature in March: 56.8°F
Minimum Sea Water Temperature in March: 45.0°F
Average water temperature in March: 50.6°F

Sea Water Temperature for the Last 10 Days:

March 13 53.4°F March 08 51.2°F
March 12 52.8°F March 07 51.6°F
March 11 52.8°F March 06 51.4°F
March 10 52.2°F March 05 51.4°F
March 09 52.0°F March 04 51.0°F

When is the Warmest Sea for Isola?

According to our data for the last three years for Isola the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Isola was 79.9°F. The maximum and minimum values were 77.0°F and 82.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Isola was 82.0°F. The maximum and minimum values were 79.6°F and 85.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Isola was 77.9°F. The maximum and minimum values were 75.6°F and 80.2°F respectively.

Best Time to Visit Isola
The most sunny months:
August 23 days
July 22 days
June 20 days
The most warm months:
August 88.8 °F
July 88.6 °F
June 83.4 °F
Warmest sea temperature:
August 81.6 °F
July 81.3 °F
September 76.6 °F
The most cold months:
January 45.0 °F
December 47.8 °F
February 48.1 °F
The most rainy months:
May 7 days
November 6 days
September 6 days
The most windy months:
March 6 mph
February 6 mph
November 6 mph

Isola on the Weather Map

Slovenia Resorts:
NAME
Bled +36
Bohinjsko Jezero +36
Bovec +38
Cerkno +36
Dolenjske Toplice +42
Isola +46
Koper +46
Kranjska Gora +36
Ljubljana +40
Maribor +42
Piran +46
Portoroz +46
Rogaska Slatina +40
Rogla +36
Strunjan +46
24 Hours Weather Forecast
Isola
Local time: 00:18
14 mar, saturday
0300 44°F
NW
3 mph
0600 42°F
W
5 mph
0900 54°F
NW
8 mph
1200 58°F
N
11 mph
1500 58°F
N
9 mph
1800 52°F
NW
9 mph
2100 52°F
NW
9 mph
15 mar, sunday
0000 50°F
NW
9 mph