Last updated: August 22, 2025
In December, the average temperature in Byala, Bulgaria hovers around 9°C (48°F), perfect for those who enjoy a crisp climate. Expect minimum temperatures dropping to -2°C (30°F), while the mercury may rise to a pleasant 17°C (63°F). With an average precipitation amount of 80 mm (3.2 in) spread across 12 days, don’t forget your umbrella! Humidity is relatively high at 84%, creating a unique atmosphere throughout the month.
In December in Byala, the average temperature is 9°C (48°F), with maximums reaching 17°C (63°F) and minimums as low as -2°C (30°F). It's advisable to pack layers and prepare for a range of weather conditions while exploring this destination.
In Byala in December, the precipitation amount is 80 mm (3.2 in) over a span of 12 days.
In Byala in December, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.
In Byala 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 Byala, you can visit Hourly UV Index in Byala.
UV Risk Categories
Weather in Byala varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Byala, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 75 mm (3.0 inches) | 84% | low |
| February Weather | 6°C (43°F) | 49 mm (1.9 inches) | 81% | moderate |
| March Weather | 7°C (45°F) | 50 mm (2.0 inches) | 79% | high |
| April Weather | 10°C (50°F) | 34 mm (1.3 inches) | 75% | high |
| May Weather | 16°C (61°F) | 20 mm (0.8 inches) | 77% | very high |
| June Weather | 21°C (70°F) | 47 mm (1.9 inches) | 71% | very high |
| July Weather | 24°C (75°F) | 32 mm (1.2 inches) | 69% | very high |
| August Weather | 25°C (77°F) | 12 mm (0.5 inches) | 60% | very high |
| September Weather | 22°C (71°F) | 22 mm (0.9 inches) | 63% | high |
| October Weather | 17°C (63°F) | 75 mm (3.0 inches) | 76% | moderate |
| November Weather | 13°C (55°F) | 76 mm (3.0 inches) | 81% | moderate |
| December Weather | 9°C (48°F) | 80 mm (3.2 inches) | 84% | low |