18.05
mon
mon
Day
64°F
NE 5 mph
Precip.
0%
0%
Night
55°F
W 7 mph
Precip.
0%
0%
19.05
tue
tue
Day
64°F
NE 4 mph
Precip.
88%
88%
Night
57°F
SW 6 mph
Precip.
0%
0%
20.05
wed
wed
Day
68°F
SE 6 mph
Precip.
0%
0%
Night
61°F
SW 6 mph
Precip.
0%
0%
21.05
thu
thu
Day
70°F
NE 6 mph
Precip.
0%
0%
Night
61°F
W 6 mph
Precip.
0%
0%
22.05
fri
fri
Day
72°F
SE 9 mph
Precip.
0%
0%
Night
63°F
SW 4 mph
Precip.
0%
0%
23.05
sat
sat
Day
73°F
S 7 mph
Precip.
0%
0%
Night
64°F
W 4 mph
Precip.
0%
0%
24.05
sun
sun
Day
75°F
SE 6 mph
Precip.
0%
0%
Night
64°F
SW 4 mph
Precip.
100%
100%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 63.1°F. The highest and lowest sea temperatures during the month were 64.8°F and 60.3°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 75.6°F. The highest and lowest sea temperatures during the month were 80.8°F and 71.1°F.
Air temperature in Umag, °F
Precipitation total in Umag, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Umag
Umag on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Umag
Local time: 06:37
May 18, monday
0900
61°F
NW
2 mph
2 mph
1200
64°F
NE
5 mph
5 mph
1500
64°F
N
9 mph
9 mph
1800
64°F
N
9 mph
9 mph
2100
57°F
NW
7 mph
7 mph
May 19, tuesday
0000
55°F
W
7 mph
7 mph
0300
54°F
W
6 mph
6 mph
0600
55°F
W
5 mph
5 mph
