Smolyan Weather in December
Smolyan in December sees low daytime temperatures of 5°C (41°F) and nighttime lows of -3°C (27°F). Rainfall is fairly high this month at around 99 mm (3.9 in), so pack a rain jacket to stay dry.
Rainfall in Smolyan in December
Based on our climate data of the past 30 years, about 11 days of snow/rain are anticipated, with 99 mm (3.9 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Smolyan in December
December in Smolyan brings typical temperatures with highs around 5°C (41°F) and lows of -3°C (27°F). This month falls in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With overnight lows of -3°C (27°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.
Sunshine in Smolyan in December
The month is characterized by fewer sunny days, with roughly 79 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Smolyan. 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 Bulgaria, check out our Smolyan's climate page.
Smolyan Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
5°C (41°F)
Chance of Rain
35%
Precipitation
99 mm (3.9 in)
Rainy days
11 days
Humidity
75% *
Sunshine
79 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Smolyan typically stay consistent throughout December, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows typically ranging from -4°C (25°F) to 0°C (32°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 Smolyan in December
Browse day-by-day weather records for Smolyan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Smolyan historical weather extremes in December
Based on 28 years of weather observations in Smolyan between 1997 and 2025, these are the recorded extremes.
- Smolyan recorded its highest December temperature of 20°C (68°F) on December 3, 2010.
- The lowest daytime temperature in December was -8°C (18°F), recorded on December 18, 1997.
- Smolyan registered its coldest December night on December 21, 2001, with temperatures dropping to -18°C (0°F).
Best Places in Bulgaria in December
Find out more about the weather in Bulgaria and which places have the best travel conditions in this month. See all of Bulgaria in December →
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What to Wear in Smolyan in December
We recommend to layer up for chilly conditions in Smolyan 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. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Smolyan 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 Bulgaria, check out our Smolyan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Smolyan climate overview or explore weather in Bulgaria.
