Byala Weather in December
December in Byala averages 9°C (48°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 63 mm (2.5 in) on average. An umbrella is a good idea.
Rainfall in Byala in December
Records from the past 30 years suggest around 8 days of rain, with 63 mm (2.5 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Byala in December
In December, Byala sees low temperatures, with highs of 9°C (48°F). Nights drop to around 3°C (37°F). December is typically considered a winter month. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Byala in December
The month experiences a moderate amount of sunlight, with 103 hours of sunshine. This provides a nice balance between sunshine and clouds.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Byala.
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 Byala's climate page.
Byala Temperature in December
Min Temperature
3°C (37°F)
Max Temperature
9°C (48°F)
Chance of Rain
26%
Precipitation
63 mm (2.5 in)
Rainy days
8 days
Humidity
81% *
Sunshine
103 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Byala typically stay consistent throughout December, with daily highs averaging around 9°C (48°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 3°C (37°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 Byala in December
Browse day-by-day weather records for Byala spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Byala historical weather extremes in December
Based on weather observations in Byala between 1997 and 2025, these are the recorded extremes during December.
- Byala recorded its highest December temperature of 20°C (68°F) on December 2, 2023.
- The coldest night in December in Byala was on December 19, 1997, with a minimum of -14°C (7°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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Byala in December
We recommend to layer up for chilly conditions in Byala 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. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Byala 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 Byala's climate page.
Temperature Rainfall Sunshine Humidity
See the full Byala climate overview or explore weather in Bulgaria.
