Ankaran Weather in December
December in Ankaran brings low temperatures around 9°C (48°F) during the day, dropping to 4°C (39°F) at night, with quite a bit of rainfall expected, averaging around 122 mm (4.8 in) for the month.
Rainfall in Ankaran in December
This month experiences about 12 days of rain according to historical data, averaging 122 mm (4.8 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Ankaran in December
In December, Ankaran sees low temperatures, with highs of 9°C (48°F). Nights drop to around 4°C (39°F). Experience the winter season in December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Ankaran in December
The city usually sees around 84 hours of sunlight, indicating fewer sunny days.
Average water temperature in December
At 11°C (52°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Ankaran. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Ankaran's climate page.
Ankaran Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
9°C (48°F)
Water Temperature
11°C (52°F) *
Chance of Rain
40%
Precipitation
122 mm (4.8 in)
Rainy days
12 days
Humidity
67% *
Sunshine
84 hours *
Percentage Sunshine
31% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ankaran typically stay consistent throughout December, with daily highs averaging around 9°C (48°F). Nights are cold, with lows typically ranging from 2°C (36°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 for Ankaran in December
Browse day-by-day weather records for Ankaran spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ankaran historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Ankaran.
- The hottest December day on record in Ankaran reached 18°C (64°F) (December 2, 2023).
- Ankaran experienced its chilliest December day on December 27, 1996, reaching only -3°C (27°F).
- The lowest overnight temperature recorded in December was -10°C (14°F) (December 29, 1996).
Best Places in Slovenia in December
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in December →
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What to Wear in Ankaran in December
Dress warmly and in layers for your trip to Ankaran in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 11°C (52°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Ankaran in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Ankaran's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Ankaran climate overview or explore weather in Slovenia.
