Last updated: August 22, 2025
In Tervel, Bulgaria, the average temperature for December hovers around 4°C (39°F). The weather can be quite unpredictable, with temperatures ranging from a chilly -14°C (7°F) to a mild 18°C (64°F). Expect 67 mm (2.6 in) of precipitation over 11 days, accompanied by an average humidity of 87%, creating a distinctly damp atmosphere.
In December in Tervel, the average temperature is 4°C (39°F). The maximum can reach 18°C (64°F) and the minimum can be as low as -14°C (7°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!
In Tervel in December, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.
In Tervel in December, humidity is 87%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and gritty, as the air hangs heavy and clings to your skin.
In Tervel 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 Tervel, you can visit Hourly UV Index in Tervel.
UV Risk Categories
Weather in Tervel varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tervel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 49 mm (1.9 inches) | 88% | low |
| February Weather | 4°C (39°F) | 48 mm (1.9 inches) | 84% | moderate |
| March Weather | 6°C (43°F) | 61 mm (2.4 inches) | 81% | high |
| April Weather | 11°C (51°F) | 38 mm (1.5 inches) | 70% | high |
| May Weather | 16°C (62°F) | 53 mm (2.1 inches) | 72% | very high |
| June Weather | 21°C (69°F) | 96 mm (3.8 inches) | 66% | very high |
| July Weather | 23°C (74°F) | 55 mm (2.2 inches) | 62% | very high |
| August Weather | 24°C (75°F) | 21 mm (0.8 inches) | 48% | very high |
| September Weather | 19°C (67°F) | 20 mm (0.8 inches) | 58% | high |
| October Weather | 13°C (56°F) | 50 mm (2.0 inches) | 78% | moderate |
| November Weather | 8°C (47°F) | 46 mm (1.8 inches) | 85% | moderate |
| December Weather | 4°C (39°F) | 67 mm (2.6 inches) | 87% | low |