Last updated: August 22, 2025
In December, the average temperature in Mosar, Belarus hovers around -1°C (30°F), but don't be surprised by the extremes—lows can plunge to -21°C (-5°F) while highs reach up to 8°C (46°F). With precipitation totaling 60 mm (2.4 in) over about 14 days this month, you might want to keep an umbrella handy. Moreover, the average humidity sits at a staggering 94%, creating a chilly and damp atmosphere that defines this winter month.
In December in Mosar, the average temperature is -1°C (30°F), with maximums reaching 8°C (46°F) and minimums dropping as low as -21°C (-5°F). Be prepared for a chilly adventure and dress warmly if you're traveling during this time!
In Mosar in December, the precipitation amount is 60 mm (2.4 in) spread over 14 days.
In Mosar in December humidity is 94%. With an average temperature of -1°C (30°F), this humidity feels like a chilling blanket that wraps around you, making every outdoor excursion uncomfortable and damp, as you battle the cold air that clings to your skin and seeps into your clothes.
In Mosar in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Mosar.
UV Risk Categories
Weather in Mosar varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mosar, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 45 mm (1.8 inches) | 94% | low |
| February Weather | -3°C (27°F) | 37 mm (1.4 inches) | 92% | low |
| March Weather | 1°C (34°F) | 46 mm (1.8 inches) | 90% | moderate |
| April Weather | 6°C (44°F) | 39 mm (1.5 inches) | 86% | moderate |
| May Weather | 12°C (54°F) | 66 mm (2.6 inches) | 70% | high |
| June Weather | 18°C (65°F) | 54 mm (2.1 inches) | 75% | high |
| July Weather | 18°C (65°F) | 97 mm (3.8 inches) | 75% | high |
| August Weather | 17°C (64°F) | 95 mm (3.7 inches) | 74% | high |
| September Weather | 13°C (55°F) | 65 mm (2.6 inches) | 85% | moderate |
| October Weather | 8°C (47°F) | 59 mm (2.3 inches) | 92% | moderate |
| November Weather | 3°C (38°F) | 55 mm (2.2 inches) | 93% | low |
| December Weather | -1°C (30°F) | 60 mm (2.4 inches) | 94% | low |