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During December, Sofia experiences low daytime temperatures of 5°C (41°F) and cooler nights around -3°C (27°F). As part of the winter season, some snow/rainfall is to be expected.
If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Sofia. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Sofia - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Sofia 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 -1°C (30°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Sofia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Sofia from 1976 through 2025.
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 →
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).
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. With limited sunshine expected, sunglasses aren't a priority for packing.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Sofia climate overview or explore weather in Bulgaria.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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