Last updated: August 22, 2025
In December, the average temperature in Omurtag, Bulgaria hovers around 3°C (38°F). Expect a chilly minimum of -8°C (18°F), while the maximum can reach up to 16°C (61°F). Rain is not uncommon during this time, with precipitation totaling approximately 86 mm (3.4 in) spread over 13 days. Humidity levels are also notably high, averaging around 87%. Get ready for a damp and crisp experience!
In December, in Omurtag, the average temperature is 3°C (38°F). The maximum can reach 16°C (61°F) and the minimum can be as low as -8°C (18°F). Be prepared for a mix of chilly and mild weather if you plan to travel during this time.
In Omurtag, in December, the precipitation amount is 86 mm (3.4 in) over the course of 13 days.
In Omurtag 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 Omurtag 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 Omurtag, you can visit Hourly UV Index in Omurtag.
UV Risk Categories
Weather in Omurtag varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Omurtag, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 58 mm (2.3 inches) | 88% | low |
| February Weather | 3°C (37°F) | 57 mm (2.2 inches) | 84% | moderate |
| March Weather | 5°C (41°F) | 77 mm (3.0 inches) | 81% | high |
| April Weather | 10°C (50°F) | 59 mm (2.3 inches) | 70% | high |
| May Weather | 15°C (60°F) | 88 mm (3.5 inches) | 72% | very high |
| June Weather | 19°C (67°F) | 140 mm (5.5 inches) | 66% | very high |
| July Weather | 22°C (71°F) | 78 mm (3.1 inches) | 62% | very high |
| August Weather | 22°C (72°F) | 34 mm (1.3 inches) | 48% | very high |
| September Weather | 18°C (65°F) | 28 mm (1.1 inches) | 58% | high |
| October Weather | 12°C (54°F) | 70 mm (2.7 inches) | 78% | moderate |
| November Weather | 7°C (45°F) | 59 mm (2.3 inches) | 85% | moderate |
| December Weather | 3°C (38°F) | 86 mm (3.4 inches) | 87% | low |