Last updated: August 28, 2025
In December, the average temperature in Tsagaan-Ovoo, Mongolia hovers around -16°C (4°F), making it a brisk time of year. Temperature extremes can dip to a frigid -34°C (-30°F) or peak at a mild 5°C (41°F). Expect minimal precipitation, with only 2 mm (0.1 in) over the course of 0 days. Despite the cold, average humidity remains high at 79%, adding a unique chill to the atmosphere.
In December in Tsagaan-Ovoo, the average temperature is -16°C (4°F). The maximum can reach 5°C (41°F), while the minimum can drop as low as -34°C (-30°F). Travelers should be prepared for extremely cold conditions and pack accordingly for their visit.
In Tsagaan-Ovoo in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Tsagaan-Ovoo in December, humidity is 79%. With an average temperature of -16°C (4°F), this humidity feels like a biting chill that cuts through layers of clothing, making outdoor activities uncomfortable and necessitating frequent breaks to warm up in sheltered areas.
In Tsagaan-Ovoo 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 Tsagaan-Ovoo, you can visit Hourly UV Index in Tsagaan-Ovoo.
UV Risk Categories
Weather in Tsagaan-Ovoo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tsagaan-Ovoo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -17°C (2°F) | 1 mm (0.1 inches) | 80% | low |
| February Weather | -12°C (10°F) | 3 mm (0.1 inches) | 67% | moderate |
| March Weather | -1°C (30°F) | 5 mm (0.2 inches) | 45% | moderate |
| April Weather | 7°C (45°F) | 6 mm (0.2 inches) | 46% | very high |
| May Weather | 14°C (57°F) | 6 mm (0.3 inches) | 36% | very high |
| June Weather | 20°C (69°F) | 11 mm (0.4 inches) | 41% | very high |
| July Weather | 22°C (73°F) | 42 mm (1.6 inches) | 40% | very high |
| August Weather | 19°C (66°F) | 43 mm (1.7 inches) | 45% | very high |
| September Weather | 14°C (58°F) | 11 mm (0.4 inches) | 47% | high |
| October Weather | 3°C (39°F) | 4 mm (0.2 inches) | 51% | moderate |
| November Weather | -7°C (20°F) | 2 mm (0.1 inches) | 56% | moderate |
| December Weather | -16°C (4°F) | 2 mm (0.1 inches) | 79% | low |