Measurements:
°C
°F
Umag
76°F
W 7 mph
Feels like: 80°F
Precip: 43%
World Resorts Croatia Umag Weather

Umag Sea Water Temperature

Current Sea Water Temperature:
+84.8°F
Maximum Sea Water Temperature in August: 88.8°F
Minimum Sea Water Temperature in August: 77.4°F
Average water temperature in August: 82.4°F

Sea Water Temperature for the Last 10 Days:

August 25 84.8°F August 20 86.0°F
August 24 84.6°F August 19 85.4°F
August 23 85.4°F August 18 86.2°F
August 22 85.4°F August 17 86.0°F
August 21 85.6°F August 16 85.6°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 86.1°F. The maximum and minimum values were 84.6°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: 2025 2024 2023

The average sea surface temperature in September 2025 for Umag was 78.6°F. The maximum and minimum values were 75.6°F and 80.8°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 85.8 °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 +74
Brela +74
Crikvenica +72
Dubrovnik +74
Klek +72
Makarska +64
Omis +72
Porec +76
Pula +70
Rijeka +72
Rovinj +72
Split +72
Tucepi +64
Zadar +78
Zagreb +70
24 Hours Weather Forecast
Umag
Local time: 23:16
26 aug, wednesday
0000 76°F
W
7 mph
0300 76°F
SW
4 mph
0600 74°F
SW
5 mph
0900 76°F
SW
3 mph
1200 80°F
E
4 mph
1500 80°F
SE
4 mph
1800 82°F
E
4 mph
2100 82°F
S
4 mph