Measurements:
°C
°F
Omis
46°F
SW 5 mph
Feels like: 44°F
Precip: 0%
World Resorts Croatia Omis Weather

Omis Sea Water Temperature

Current Sea Water Temperature:
+58.8°F
Maximum Sea Water Temperature in December: 66.8°F
Minimum Sea Water Temperature in December: 56.8°F
Average water temperature in December: 62.3°F

Sea Water Temperature for the Last 10 Days:

December 13 58.8°F December 08 61.4°F
December 12 58.0°F December 07 61.8°F
December 11 59.2°F December 06 62.4°F
December 10 60.8°F December 05 61.4°F
December 09 59.4°F December 04 61.4°F

When is the Warmest Sea for Omis?

According to our data for the last three years for Omis 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 Omis was 77.9°F. The maximum and minimum values were 75.2°F and 83.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Omis was 78.6°F. The maximum and minimum values were 75.6°F and 81.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Omis was 76.8°F. The maximum and minimum values were 75.6°F and 78.0°F respectively.

Best Time to Visit Omis
The most sunny months:
August 27 days
July 27 days
June 23 days
The most warm months:
August 88.4 °F
July 88.0 °F
June 82.3 °F
Warmest sea temperature:
August 80.2 °F
July 79.0 °F
September 76.4 °F
The most cold months:
January 49.5 °F
February 51.8 °F
December 52.6 °F
The most rainy months:
November 7 days
December 5 days
March 5 days
The most windy months:
November 9 mph
February 9 mph
January 9 mph

Omis on the Weather Map

Croatia Resorts:
NAME
Baska Voda +54
Brela +54
Dubrovnik +54
Hvar +56
Istria +50
Klek +48
Makarska +46
Omis +46
Porec +50
Pula +50
Rijeka +46
Rovinj +50
Split +46
Zadar +50
Zagreb +38
24 Hours Weather Forecast
Omis
Local time: 10:16
13 dec, saturday
1200 56°F
SW
1 mph
1500 54°F
NE
2 mph
1800 48°F
S
2 mph
2100 46°F
SW
4 mph
14 dec, sunday
0000 46°F
SW
4 mph
0300 44°F
SW
5 mph
0600 44°F
SW
4 mph
0900 46°F
SW
4 mph