Last updated: August 22, 2025
In December, the average temperature in Tvarditsa, Bulgaria hovers around 3°C (38°F). Expect chilly days with a minimum dropping to -9°C (15°F) and reaching a comfortable maximum of 15°C (60°F). Be prepared for wet weather, as 91 mm (3.6 in) of precipitation may fall over about 13 days, contributing to an average humidity of 87%.
In December in Tvarditsa, the average temperature is 3°C (38°F). The maximum can reach 15°C (60°F), and the minimum can be as low as -9°C (15°F). Travelers should be prepared for chilly conditions and pack layers to stay warm while exploring this destination.
In Tvarditsa in December, the precipitation amount is 91 mm (3.6 in) spread over 13 days.
In Tvarditsa in December humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.
In Tvarditsa 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 Tvarditsa, you can visit Hourly UV Index in Tvarditsa.
UV Risk Categories
Weather in Tvarditsa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tvarditsa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 54 mm (2.1 inches) | 88% | low |
| February Weather | 3°C (38°F) | 57 mm (2.2 inches) | 84% | moderate |
| March Weather | 5°C (42°F) | 77 mm (3.0 inches) | 81% | high |
| April Weather | 10°C (51°F) | 57 mm (2.3 inches) | 70% | very high |
| May Weather | 16°C (60°F) | 85 mm (3.4 inches) | 72% | very high |
| June Weather | 19°C (67°F) | 138 mm (5.4 inches) | 66% | very high |
| July Weather | 22°C (72°F) | 77 mm (3.1 inches) | 62% | very high |
| August Weather | 23°C (73°F) | 34 mm (1.3 inches) | 48% | very high |
| September Weather | 18°C (65°F) | 27 mm (1.1 inches) | 58% | high |
| October Weather | 13°C (55°F) | 72 mm (2.8 inches) | 78% | high |
| November Weather | 7°C (46°F) | 60 mm (2.4 inches) | 85% | moderate |
| December Weather | 3°C (38°F) | 91 mm (3.6 inches) | 87% | low |