December weather forecastUmag, Croatia
December
Weather in December
December sees the year-end amidst a firm winter grasp in Umag, Croatia. With the mercury fluctuating between 2°C (35.6°F) and 9°C (48.2°F), it feels considerably colder than November. With rainfall slightly on the decline at 88mm (3.46"), the likelihood of encountering a dry day is a bit higher. Shorter days define December, with the winter sun setting early amidst the crisp chill. The weather during this period is well-suited for those fond of the colder season, wrapping up the year on a freezing note.Temperature
In Umag, entering December brings a subtle temperature decrement, reducing from November's mild 13°C (55.4°F) to a chilly 9°C (48.2°F). Throughout the month of December, the nighttime temperature in Umag dips to an average of 2°C (35.6°F).Rainfall
In Umag, in December, during 12 rainfall days, 88mm (3.46") of precipitation is typically accumulated. Throughout the year, in Umag, there are 144 rainfall days, and 1021mm (40.2") of precipitation is accumulated.Sea temperature
In Umag, in December, the average water temperature is 13.7°C (56.7°F).Note: Being in 13.7°C (56.7°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
The month with the shortest days in Umag is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 07:25 and sunset at 16:24. On the last day of the month, sunrise is at 07:45 and sunset at 16:32 CET.
Sunshine
The months with the least sunshine in Umag are January and December, with an average of 3h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Umag. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Umag, Croatia
- Average high temperature in December: 9°C
The warmest months (with the highest average high temperature) are July and August (28°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average rainfall in December
Umag, Croatia
- Average rainfall in December: 88mm
The wettest month (with the highest rainfall) is November (109mm).
The driest month (with the least rainfall) is July (65mm).
Average rainfall days in December
Umag, Croatia
- Average rainfall days in December: 12 days
The months with the highest number of rainy days are May and June (14 days).
The months with the least rainy days are February, March, July, August, September and October (11 days).
Average sea temperature in December
Umag, Croatia
- Average sea temperature in December: 13.7°C
The best month for swimming (with the highest average sea temperature) is August (25.2°C).
The coldest month (with the lowest average sea temperature) is February (9.8°C).
Average daylight in December /
Average sunshine in December
Umag, Croatia
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h
The month with the most sunshine is July (Average sunshine: 10h).
The months with the least sunshine are January and December (Average sunshine: 3h).
Average UV index in December
Umag, Croatia
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).





