Measurements:
°C
°F
Umag
76°F
SW 5 mph
Feels like: 80°F
Precip: 4%
World Resorts Croatia Umag Weather

Umag Sea Water Temperature

Current Sea Water Temperature:
+81.2°F
Maximum Sea Water Temperature in September: 86.8°F
Minimum Sea Water Temperature in September: 71.2°F
Average water temperature in September: 77.5°F

Sea Water Temperature for the Last 10 Days:

September 15 81.2°F September 10 83.6°F
September 14 80.8°F September 09 84.6°F
September 13 82.4°F September 08 84.0°F
September 12 82.8°F September 07 84.6°F
September 11 83.2°F September 06 84.6°F

When is the Warmest Sea for Umag?

According to our data for the last three years for Umag 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Umag was 85.8°F. The maximum and minimum values were 83.6°F and 88.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Umag was 83.7°F. The maximum and minimum values were 80.4°F and 87.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Umag was 83.7°F. The maximum and minimum values were 80.8°F and 85.0°F respectively.

Best Time to Visit Umag
The most sunny months:
August 24 days
July 23 days
June 21 days
The most warm months:
August 85.9 °F
July 84.9 °F
June 79.8 °F
Warmest sea temperature:
August 82.5 °F
July 81.9 °F
September 77.3 °F
The most cold months:
January 47.0 °F
February 48.9 °F
December 50.2 °F
The most rainy months:
November 6 days
September 6 days
May 5 days
The most windy months:
March 7 mph
February 7 mph
November 7 mph

Umag on the Weather Map

Croatia Resorts:
NAME
Baska Voda +76
Brela +76
Crikvenica +70
Dubrovnik +70
Istria +76
Klek +70
Makarska +60
Omis +74
Porec +76
Pula +70
Rovinj +72
Split +74
Tucepi +60
Zadar +78
Zagreb +72
24 Hours Weather Forecast
Umag
Local time: 20:47
15 sep, tuesday
2100 76°F
SW
5 mph
16 sep, wednesday
0000 72°F
SW
6 mph
0300 72°F
SW
5 mph
0600 70°F
SW
5 mph
0900 72°F
SW
4 mph
1200 76°F
E
4 mph
1500 76°F
NE
3 mph
1800 78°F
N
3 mph