Go to Bovec in Slovenia
With mountains that linger in the blue sky, an emerald-green river Bovec offers picturesque scenes that are a must see for your bucket list.
Strunjan Weather in December
With daytime temperatures of 11°C (52°F) and nighttime lows of 6°C (43°F), December in Strunjan brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 120 mm (4.7 in) falls on average.
Rainfall in Strunjan in December
Expect around 12 days of rain based on historical data, with 120 mm (4.7 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Strunjan in December
December in Strunjan sees highs of 11°C (52°F) and lows of 6°C (43°F) overnight. December is a notable month of the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Strunjan in December
With limited sunshine this month, there are about 95 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Strunjan. Our weather planner can help you explore destinations with more pleasant weather conditions.
Strunjan Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
11°C (52°F)
Chance of Rain
39%
Precipitation
120 mm (4.7 in)
Rainy days
12 days
Humidity
67% *
Sunshine
95 hours *
Percentage Sunshine
*
Strunjan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Strunjan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Strunjan 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 Strunjan in December
Browse day-by-day weather records for Strunjan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Strunjan historical weather extremes in December
The extremes listed below come from historical weather data collected in Strunjan from 1976 through 2025.
- The hottest December day on record in Strunjan reached 20°C (68°F) (December 19, 1989).
- The coldest night in December in Strunjan was on December 29, 1996, with a minimum of -10°C (14°F).
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 →
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 Strunjan in December
Pack for changing conditions in Strunjan 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. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.
What To Do in Strunjan 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
Strunjan 3-Day Forecast
More climate data for Strunjan
Temperature Rainfall Sunshine Humidity
See the full Strunjan climate overview or explore weather in Slovenia.
Popular in December
Where to go in December - average daytime high across popular destinations.
Piran
11°C (52°F) Portorož11°C (52°F) Ljubljana5°C (41°F) Bovec4°C (39°F) Maribor
5°C (41°F) Bohinj4°C (39°F) Bled3°C (37°F) Kranjska Gora2°C (36°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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