Last updated: August 22, 2025
In December, the average temperature in Gulyantsi, Bulgaria hovers around 3°C (38°F). Expect fluctuating conditions with minimums dipping to -11°C (12°F) and maximums reaching up to 17°C (63°F). The region experiences an average precipitation of 53 mm (2.1 in) over about 9 days, coupled with high humidity levels averaging 89%. Stay prepared for a mix of chilly and wet weather!
In December in Gulyantsi, the average temperature is 3°C (38°F). Maximums can reach 17°C (63°F), while minimums can drop as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and mild days.
In Gulyantsi in December, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.
In Gulyantsi in December, humidity is 89%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapping around you, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cold and clammy.
In Gulyantsi in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Gulyantsi, you can visit Hourly UV Index in Gulyantsi.
UV Risk Categories
Weather in Gulyantsi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gulyantsi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 40 mm (1.6 inches) | 89% | low |
| February Weather | 4°C (39°F) | 42 mm (1.6 inches) | 85% | moderate |
| March Weather | 7°C (45°F) | 73 mm (2.9 inches) | 83% | high |
| April Weather | 13°C (55°F) | 42 mm (1.7 inches) | 71% | high |
| May Weather | 18°C (65°F) | 68 mm (2.7 inches) | 73% | very high |
| June Weather | 22°C (72°F) | 98 mm (3.9 inches) | 67% | very high |
| July Weather | 24°C (76°F) | 83 mm (3.3 inches) | 68% | very high |
| August Weather | 25°C (78°F) | 28 mm (1.1 inches) | 50% | very high |
| September Weather | 21°C (69°F) | 17 mm (0.7 inches) | 59% | high |
| October Weather | 14°C (57°F) | 62 mm (2.4 inches) | 79% | moderate |
| November Weather | 8°C (47°F) | 43 mm (1.7 inches) | 87% | moderate |
| December Weather | 3°C (38°F) | 53 mm (2.1 inches) | 89% | low |