World Resorts Croatia Umag Weather

Umag weather in December

Weather in Umag: December

Average day temperature: 50.2°F
Average night temperature: 45.6°F
Sea water temperature: 56.4°F
Number of sunny days: 14 days
Day length: 8.7 - 9.0 hours
Number of rainy days: 4 days
Precipitation totals: 3.1 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 55°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during December were 52.7°F and 48.4°F.

Sea water temperature in Umag in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 57.1°F. The highest and lowest sea temperatures during the month were 58.8°F and 55.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Umag in December is 3.6 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 6.1 mph It makes December one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.2.

Best time for vacation in Umag

Sunniest months:
August 24 days
July 23 days
June 22 days
Warmest months:
August 82.2 °F
July 81.4 °F
June 76.8 °F
Warmest sea temp:
August 79.0 °F
July 78.6 °F
September 74.6 °F
Coldest months:
January 47.4 °F
February 48.9 °F
December 50.2 °F
Rainiest months:
November 6 days
September 6 days
May 5 days
Windiest months:
March 8.1 mph
February 8.0 mph
November 7.8 mph

Umag on a weather map

Umag
+45°F
S 6 mph
Feels like: +41°F
Precip.: 0%
Places in Croatia:
Name
°F
+46°F
+46°F
+46°F
+34°F
+46°F
+45°F
+41°F
+41°F
+45°F
+45°F
+37°F
+45°F
+41°F
+45°F
+50°F
24 Hours Forecast
Umag
Local time: 08:57
December 29, monday
0900
45°F
S
6 mph
1200
48°F
SE
6 mph
1500
48°F
SE
4 mph
1800
45°F
SE
2 mph
2100
45°F
NW
1 mph
December 30, tuesday
0000
45°F
NW
3 mph
0300
45°F
NW
3 mph
0600
45°F
NW
2 mph
Units of measurement: °C / °F