Cerkno Weather in December
December in Cerkno sees daytime temperatures around 5°C (41°F) and lows of -3°C (27°F) at night. With around 126 mm (5 in) of snow/rainfall expected, it's worth packing a rain jacket.
Rainfall in Cerkno in December
You can typically expect 13 days of snow/rain this month, averaging around 126 mm (5 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Cerkno in December
Temperatures in Cerkno in December top out at 5°C (41°F) and drop to -3°C (27°F) overnight. During December, the winter season is in full swing. Staying warm is the main priority this month, especially during mornings and evenings. Nights drop below freezing to -3°C (27°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. This month is extremely cold, so be sure to dress in layers to keep warm. Proper preparation can help you stay comfortable.
Sunshine in Cerkno in December
The month has fewer sunny days, with around 57 hours of sunshine.December in Cerkno has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Cerkno's climate page.
Cerkno Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
5°C (41°F)
Chance of Rain
43%
Precipitation
126 mm (5 in)
Rainy days
13 days
Humidity
87% *
Sunshine
57 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cerkno typically stay consistent throughout December, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows typically ranging from -5°C (23°F) to -2°C (28°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 Cerkno in December
Browse day-by-day weather records for Cerkno spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cerkno historical weather extremes in December
Based on weather observations in Cerkno between 1976 and 2025, these are the recorded extremes during December.
- On December 5, 1992, temperatures climbed to 14°C (57°F), marking the warmest December day on record.
- The lowest daytime temperature in December was -6°C (21°F), recorded on December 27, 1996.
- The coldest night in December in Cerkno was on December 30, 2005, with a minimum of -19°C (-2°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
What to Wear in Cerkno in December
We recommend to layer up for chilly conditions in Cerkno in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Cerkno 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 Cerkno's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cerkno climate overview or explore weather in Slovenia.
