World Resorts Croatia Omis Weather

Omis sea water temperature

Current sea water temperature:
+76.8°F
Minimum sea water temperature in September: 80.4°F
Maximum sea water temperature in September: 68.4°F
Average sea water temperature in September: 73.9°F

Sea water temperature for the last 10 days:

September 14 76.8°F September 9 79.3°F
September 13 78.8°F September 8 78.8°F
September 12 79.3°F September 7 78.6°F
September 11 78.8°F September 6 78.8°F
September 10 78.4°F September 5 79.5°F

When is the warmest sea in Omis?

Based on the data about daily sea water temperature for the last three years the warmest sea in Omis was noticed in August, July and September.

Monthly Sea Temperatures in Omis, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 79.6°F. The highest and lowest sea temperatures during the month were 81.5°F and 77.7°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 76.7°F. The highest and lowest sea temperatures during the month were 80.2°F and 74.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 74.1°F. The highest and lowest sea temperatures during the month were 75.2°F and 73.0°F.

Best time for vacation in Omis

Sunniest months:
August 27 days
July 27 days
June 24 days
Warmest months:
August 84.7 °F
July 84.1 °F
June 79.1 °F
Warmest sea temp:
August 77.3 °F
July 76.1 °F
September 73.7 °F
Coldest months:
January 49.6 °F
February 51.7 °F
December 52.5 °F
Rainiest months:
November 7 days
December 5 days
March 5 days
Windiest months:
November 9.7 mph
February 9.6 mph
January 9.4 mph

Omis on a weather map

Omis
+64°F
SW 9 mph
Feels like: +64°F
Precip.: 6%
Places in Croatia:
Name
°F
+68°F
+68°F
+66°F
+59°F
+68°F
+68°F
+63°F
+54°F
+64°F
+68°F
+64°F
+66°F
+64°F
+54°F
+63°F
24 Hours Forecast
Omis
Local time: 07:02
September 15, tuesday
0900
70°F
SW
7 mph
1200
77°F
SW
2 mph
1500
79°F
E
6 mph
1800
77°F
E
9 mph
2100
72°F
SW
5 mph
September 16, wednesday
0000
68°F
SW
8 mph
0300
66°F
SW
7 mph
0600
64°F
SW
7 mph
Units of measurement: °C / °F