Measurements:
°C
°F
Omis
84°F
SE 4 mph
Feels like: 86°F
Precip: 3%
World Resorts Croatia Omis Weather

Omis Sea Water Temperature

Current Sea Water Temperature:
+78.6°F
Maximum Sea Water Temperature in June: 80.6°F
Minimum Sea Water Temperature in June: 64.6°F
Average water temperature in June: 74.0°F

Sea Water Temperature for the Last 10 Days:

June 22 78.6°F June 17 75.2°F
June 21 77.8°F June 16 73.8°F
June 20 76.4°F June 15 72.6°F
June 19 76.2°F June 14 72.2°F
June 18 75.2°F June 13 73.2°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 51.9 °F
December 52.7 °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 +86
Brela +86
Dubrovnik +78
Klek +88
Makarska +88
Omis +84
Porec +88
Pula +86
Rijeka +88
Rovinj +88
Split +84
Trogir +84
Tucepi +88
Zadar +90
Zagreb +92
24 Hours Weather Forecast
Omis
Local time: 18:20
22 jun, monday
2100 82°F
S
7 mph
23 jun, tuesday
0000 76°F
SW
9 mph
0300 74°F
SW
9 mph
0600 72°F
SW
8 mph
0900 86°F
SW
7 mph
1200 90°F
SW
2 mph
1500 92°F
S
5 mph
1800 88°F
S
11 mph