Measurements:
°C
°F
Omis
36°F
S 8 mph
Feels like: 28°F
Precip: 0%
World Resorts Croatia Omis Weather December Weather in Omis

Omis Weather: December

Average Day Temperature: 52.7°F
Average Night Temperature: 45.8°F
Sea Water Temperature: 62.1°F
Number of Sunny Days: 15 days
Sunshine Hours: 8.9 - 9.2 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.6 in

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 60°F. The lowest night temperature was 33°F. The average values for day and night temperatures during December were 54.4°F и 45.8°F respectivly.

Omis Water Sea Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Omis was 59.4°F. The maximum and minimum values were 55.2°F and 62.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Omis is 2.6 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 9.0 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Omis in December is 5.6 hours.

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 52.7 °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 +40
Brela +40
Dubrovnik +40
Hvar +44
Istria +38
Makarska +30
Opatija +22
Porec +38
Pula +38
Rijeka +22
Rovinj +38
Split +36
Trogir +36
Zadar +34
Zagreb +22
24 Hours Weather Forecast
Omis
Local time: 08:26
11 jan, sunday
0900 36°F
S
8 mph
1200 38°F
SW
15 mph
1500 36°F
SW
14 mph
1800 28°F
SW
9 mph
2100 26°F
S
8 mph
12 jan, monday
0000 26°F
S
7 mph
0300 28°F
SW
7 mph
0600 28°F
SW
7 mph