Climate averages 1991–2020
Weather in Bulgaria in December
In December, average daytime highs across the 10 cities listed in Bulgaria range from 4.5°C in Pernik to 7.6°C in Burgas. Monthly rainfall ranges from 42 mm in Pleven to 63 mm in Sliven.
Long-term climate patterns, not a forecast for a particular trip.
City by city
December in Bulgaria
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Sofia | 4.9°C-2.4°C | -2.4°C | 45 | 8.6 |
| Plovdiv | 6.6°C-1.1°C | -1.1°C | 48 | 7.6 |
| Varna | 7.0°C1.7°C | 1.7°C | 50 | 8.1 |
| Burgas | 7.6°C1.2°C | 1.2°C | 58 | 8.6 |
| Stara Zagora | 6.7°C-0.7°C | -0.7°C | 60 | 8.4 |
| Ruse | 5.4°C-1.4°C | -1.4°C | 46 | 7.7 |
| Pleven | 5.7°C-1.6°C | -1.6°C | 42 | 7.5 |
| Sliven | 6.5°C0.2°C | 0.2°C | 63 | 8.6 |
| Pernik | 4.5°C-3.2°C | -3.2°C | 49 | 8.6 |
| Shumen | 5.4°C-1.6°C | -1.6°C | 50 | 8.0 |
A rain day is a local calendar day with at least 1 mm of precipitation.