Magical Split
The best travel time to Split in Croatia is from May til October and the best months are May, June and September.
Umag Weather in December
December in Umag brings low temperatures, with daytime highs of 11°C (52°F) and nights around 8°C (46°F). Quite a bit of rainfall is expected, around 115 mm (4.5 in), so pack an umbrella.
Rainfall in Umag in December
Historically, December sees about 12 days of rain, with a monthly average of 115 mm (4.5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Umag in December
Daytime highs in Umag in December reach 11°C (52°F), with nights around 8°C (46°F). The month of December belongs to the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Umag in December
This month is characterized by fewer sunny days, with about 95 hours of sunshine. It's great for those who appreciate cooler, less sunny days.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Umag. Our weather planner can help you explore destinations with more pleasant weather conditions.
Umag Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
11°C (52°F)
Chance of Rain
39%
Precipitation
115 mm (4.5 in)
Rainy days
12 days
Humidity
67% *
Sunshine
95 hours *
Percentage Sunshine
*
* Data from: Portorož, Slovenia (10 KM, 6 Miles).
Umag Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Umag - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Umag typically stay consistent throughout December, with daily highs averaging around 11°C (52°F). Nights are cold, with lows typically ranging from 1°C (34°F) to 4°C (39°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Umag in December
Browse day-by-day weather records for Umag spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Umag historical weather extremes in December
According to our 49 years of weather records for Umag, the following extremes were recorded between 1976 and 2025.
- On December 1, 2023, temperatures climbed to 19°C (66°F), marking the warmest December day on record.
- Nighttime temperatures dropped to -10°C (14°F) on December 29, 1996, marking the coldest December night on record.
Best Places in Croatia in December
Find out more about the weather in Croatia and which places have the best travel conditions in this month. See all of Croatia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Umag in December
Pack for changing conditions in Umag in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.
What To Do in Umag in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming4/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports5/10
Umag 3-Day Forecast
More climate data for Umag
Temperature Rainfall Sunshine Humidity
See the full Umag climate overview or explore weather in Croatia.
Popular in December
Where to go in December - average daytime high across popular destinations.
Dubrovnik
12°C (54°F) Zadar
12°C (54°F) Trogir13°C (55°F) Poreč11°C (52°F) Rovinj12°C (54°F) Pula12°C (54°F) Split12°C (54°F) Makarska11°C (52°F) Bucket list
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