Last updated: August 27, 2025
In December, the average temperature in Bylym, Russian Federation hovers around -4°C (25°F). Expect variations, with minimums plummeting to -21°C (-6°F) and maximums rising to 9°C (48°F). During this month, total precipitation is about 46 mm (1.8 in), spread over 8 days, while the average humidity remains high at a notable 87%.
In December in Bylym, the average temperature is -4°C (25°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -21°C (-6°F). Be prepared for chilly weather and pack warm clothing if you plan to travel during this month.
In Bylym in December, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.
In Bylym in December humidity is 87%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that clings to your skin, making every step outside feel like an endeavor as the cold damp air numbs your senses and weighs you down, creating an atmosphere that is both invigorating and challenging for traveling.
In Bylym 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 Bylym, you can visit Hourly UV Index in Bylym.
UV Risk Categories
Weather in Bylym varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bylym, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 32 mm (1.3 inches) | 85% | moderate |
| February Weather | -5°C (23°F) | 38 mm (1.5 inches) | 86% | moderate |
| March Weather | -3°C (27°F) | 92 mm (3.6 inches) | 84% | high |
| April Weather | 3°C (37°F) | 101 mm (4.0 inches) | 78% | very high |
| May Weather | 8°C (47°F) | 184 mm (7.3 inches) | 76% | very high |
| June Weather | 12°C (55°F) | 194 mm (7.7 inches) | 79% | extreme |
| July Weather | 15°C (58°F) | 184 mm (7.2 inches) | 75% | very high |
| August Weather | 14°C (57°F) | 135 mm (5.3 inches) | 60% | very high |
| September Weather | 10°C (50°F) | 86 mm (3.4 inches) | 60% | very high |
| October Weather | 5°C (42°F) | 60 mm (2.3 inches) | 80% | high |
| November Weather | -1°C (30°F) | 34 mm (1.3 inches) | 86% | moderate |
| December Weather | -4°C (25°F) | 46 mm (1.8 inches) | 87% | low |