Measurements:
°C
°F
Umag
90°F
SE 5 mph
Feels like: 94°F
Precip: 2%
World Resorts Croatia Umag Weather

Umag Sea Water Temperature

Current Sea Water Temperature:
+85.0°F
Maximum Sea Water Temperature in June: 85.4°F
Minimum Sea Water Temperature in June: 66.2°F
Average water temperature in June: 76.4°F

Sea Water Temperature for the Last 10 Days:

June 26 85.0°F June 21 82.0°F
June 25 83.6°F June 20 81.2°F
June 24 81.8°F June 19 79.4°F
June 23 81.4°F June 18 78.4°F
June 22 84.0°F June 17 77.0°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Umag was 80.8°F. The maximum and minimum values were 78.2°F and 83.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Umag was 82.7°F. The maximum and minimum values were 78.2°F and 86.4°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 22 days
The most warm months:
August 85.8 °F
July 84.9 °F
June 79.8 °F
Warmest sea temperature:
August 82.3 °F
July 81.8 °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 +84
Brela +84
Dubrovnik +88
Klek +98
Makarska +92
Omis +90
Porec +90
Pula +88
Rijeka +92
Rovinj +90
Split +90
Trogir +86
Tucepi +92
Zadar +88
Zagreb +96
24 Hours Weather Forecast
Umag
Local time: 12:23
26 jun, friday
1500 88°F
E
7 mph
1800 90°F
E
3 mph
2100 84°F
SW
4 mph
27 jun, saturday
0000 80°F
SW
7 mph
0300 78°F
W
6 mph
0600 78°F
W
1 mph
0900 86°F
S
2 mph
1200 90°F
E
4 mph