Last updated: August 28, 2025
In December, the average temperature in Uyonch, Mongolia hovers around -15°C (5°F), with extremes that can plummet to a chilling -31°C (-24°F) and reach a maximum of 2°C (36°F). Expect 4 mm (0.2 in) of precipitation over the course of just 1 day, while the air remains quite humid, with an average humidity level of 77%.
In December in Uyonch, the average temperature is -15°C (5°F). Maximum temperatures can reach 2°C (36°F), while minimums can plummet to as low as -31°C (-24°F). Travelers should be prepared for extreme cold, ensuring they have the proper clothing and gear for outdoor activities during this frigid time of year.
In Uyonch in December, the precipitation amount is 4 mm (0.2 in) during 1 day.
In Uyonch in December humidity is 77%. With an average temperature of -15°C (5°F), this humidity feels like an icy embrace that seeps into your bones, making outdoor exploration challenging and sharp, as the cold air nips at your skin while the moisture lingers, creating a chill that is both invigorating and uncomfortable for traveling.
In Uyonch 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 Uyonch, you can visit Hourly UV Index in Uyonch.
UV Risk Categories
Weather in Uyonch varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Uyonch, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -17°C (2°F) | 4 mm (0.1 inches) | 82% | low |
| February Weather | -12°C (10°F) | 6 mm (0.2 inches) | 70% | moderate |
| March Weather | -3°C (26°F) | 6 mm (0.2 inches) | 50% | high |
| April Weather | 7°C (44°F) | 8 mm (0.3 inches) | 45% | very high |
| May Weather | 13°C (56°F) | 19 mm (0.8 inches) | 33% | very high |
| June Weather | 19°C (66°F) | 17 mm (0.7 inches) | 30% | very high |
| July Weather | 21°C (70°F) | 15 mm (0.6 inches) | 31% | very high |
| August Weather | 19°C (66°F) | 20 mm (0.8 inches) | 34% | very high |
| September Weather | 12°C (54°F) | 9 mm (0.4 inches) | 42% | high |
| October Weather | 3°C (37°F) | 9 mm (0.4 inches) | 55% | moderate |
| November Weather | -8°C (18°F) | 8 mm (0.3 inches) | 64% | moderate |
| December Weather | -15°C (5°F) | 4 mm (0.2 inches) | 77% | low |