Current sea water temperature:
+54.0°F
| Minimum sea water temperature in January: | 56.1°F |
| Maximum sea water temperature in January: | 47.5°F |
| Average sea water temperature in January: | 52.2°F |
| more information | |
14 days
forecast
forecast
| Umag |
monthly
weather
weather
| Umag |
Sea water temperature for the last 10 days:
| January 7 | 54.0°F | January 2 | 54.7°F |
| January 6 | 54.3°F | January 1 | 54.9°F |
| January 5 | 54.7°F | December 31 | 55.2°F |
| January 4 | 54.0°F | December 30 | 55.0°F |
| January 3 | 54.1°F | December 29 | 55.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Umag?
Based on the data about daily sea water temperature for the last three years the warmest sea in Umag was noticed in August, July and September.
Monthly Sea Temperatures in Umag, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 77.8°F. The highest and lowest sea temperatures during the month were 80.4°F and 75.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 79.4°F. The highest and lowest sea temperatures during the month were 82.8°F and 75.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 75.7°F. The highest and lowest sea temperatures during the month were 77.7°F and 73.0°F.
current
weather
weather
| Umag |
weather in
January
January
| Umag |
Best time for vacation in Umag
Umag on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Umag
Local time: 23:48
January 08, thursday
0000

30°F
SW
10 mph
10 mph
0300

30°F
S
7 mph
7 mph
0600

30°F
SW
6 mph
6 mph
0900

32°F
SW
4 mph
4 mph
1200

37°F
S
2 mph
2 mph
1500

39°F
S
2 mph
2 mph
1800

34°F
W
2 mph
2 mph
2100

34°F
W
4 mph
4 mph


























