Sandanski Weather in December
Sandanski in December sees low daytime temperatures of 7°C (45°F) and nighttime lows of -2°C (28°F). Rainfall is fairly high this month at around 86 mm (3.4 in), so pack a rain jacket to stay dry.
Rainfall in Sandanski in December
Based on our climate data of the past 30 years, about 8 days of snow/rain are anticipated, with 86 mm (3.4 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Sandanski in December
Daytime highs in Sandanski in December reach 7°C (45°F), with nights around -2°C (28°F). December is typically considered a winter month. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows of -2°C (28°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.
Sunshine in Sandanski in December
The area enjoys a moderate level of sunlight, with around 103 hours. It's a good balance between sunny and cloudy days.
Wind Speed in Sandanski in December
Wind speeds average 1 m/s (2 knots) during December. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.December in Sandanski 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 Bulgaria, check out our Sandanski's climate page.
Sandanski Temperature in December
Min Temperature
-2°C (28°F)
Max Temperature
7°C (45°F)
Chance of Rain
26%
Precipitation
86 mm (3.4 in)
Rainy days
8 days
Humidity
78%
Windspeed
1 m/s (2 knots)
Sunshine
103 hours
Percentage Sunshine
37%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Sandanski typically stay consistent throughout December, with daily highs averaging around 7°C (45°F). Nights are very cold, with lows typically ranging from -4°C (25°F) to 1°C (34°F).
Average temperatures in December
Daily Historical Precipitation
49-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 Sandanski in December
Browse day-by-day weather records for Sandanski spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sandanski historical weather extremes in December
Based on weather observations in Sandanski between 1997 and 2025, these are the recorded extremes during December.
- Sandanski recorded its highest December temperature of 23°C (73°F) on December 2, 2010.
- Sandanski experienced its chilliest December day on December 21, 2001, reaching only -7°C (19°F).
- Nighttime temperatures dropped to -16°C (3°F) on December 20, 2001, marking the coldest December night on record.
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Sandanski in December
We recommend to layer up for chilly conditions in Sandanski 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Sandanski 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 Sandanski's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Sandanski climate overview or explore weather in Bulgaria.
