Last updated: August 28, 2025
In December, the average temperature in Tsetserleg, Mongolia hovers around -21°C (-6°F), with extremes ranging from a chilling -37°C (-35°F) to a milder -3°C (27°F). Expect minimal precipitation, averaging just 5 mm (0.2 in) over 0 days, while the air remains quite humid, with an average humidity of 90%.
In December in Tsetserleg, the average temperature is -21°C (-6°F). Maximum can reach -3°C (27°F), and minimum can be as low as -37°C (-35°F). Travelers should be prepared for extremely cold weather conditions during this time.
In Tsetserleg in December, the precipitation amount is 5 mm (0.2 in) during a span of 0 days.
In Tsetserleg in December humidity is 90%. With an average temperature of -21°C (-6°F), this humidity feels like an icy blanket wrapping around you, making the cold air seep deep into your bones, which can be challenging for traveling as it requires extra layers and careful planning to stay warm and comfortable.
In Tsetserleg 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 Tsetserleg.
UV Risk Categories
Weather in Tsetserleg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tsetserleg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -23°C (-8°F) | 3 mm (0.1 inches) | 92% | low |
| February Weather | -18°C (-1°F) | 4 mm (0.2 inches) | 89% | moderate |
| March Weather | -10°C (15°F) | 11 mm (0.4 inches) | 80% | moderate |
| April Weather | 0°C (32°F) | 18 mm (0.7 inches) | 63% | high |
| May Weather | 7°C (45°F) | 35 mm (1.4 inches) | 52% | very high |
| June Weather | 13°C (56°F) | 67 mm (2.6 inches) | 52% | very high |
| July Weather | 15°C (60°F) | 117 mm (4.6 inches) | 58% | very high |
| August Weather | 13°C (56°F) | 107 mm (4.2 inches) | 63% | very high |
| September Weather | 7°C (45°F) | 41 mm (1.6 inches) | 65% | high |
| October Weather | -3°C (27°F) | 22 mm (0.9 inches) | 69% | moderate |
| November Weather | -14°C (8°F) | 10 mm (0.4 inches) | 77% | low |
| December Weather | -21°C (-6°F) | 5 mm (0.2 inches) | 90% | low |