Last updated: August 28, 2025
In Ulaanhad, Mongolia, the average temperature in December hovers around -19°C (-2°F), with potential lows dipping to -36°C (-33°F) and rare highs reaching up to 2°C (36°F). Expect minimal precipitation, with just 2 mm (0.1 in) falling over 0 days during the month. The air remains notably humid, with an average humidity level of 89%.
In December, in Ulaanhad, the average temperature is -19°C (-2°F), with a maximum that can reach 2°C (36°F) and a minimum that can drop as low as -36°C (-33°F). Travelers should be prepared for extremely cold weather conditions and dress accordingly to ensure their safety and comfort.
In Ulaanhad in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Ulaanhad in December, humidity is 89%. With an average temperature of -19°C (-2°F), this humidity makes traveling feel incredibly biting and sharp, as the cold air amplifies the chill factor, leaving you feeling even colder than the temperature suggests.
In Ulaanhad 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 Ulaanhad, you can visit Hourly UV Index in Ulaanhad.
UV Risk Categories
Weather in Ulaanhad varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ulaanhad, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -21°C (-6°F) | 1 mm (0.1 inches) | 92% | low |
| February Weather | -16°C (4°F) | 4 mm (0.2 inches) | 84% | moderate |
| March Weather | -4°C (25°F) | 5 mm (0.2 inches) | 64% | moderate |
| April Weather | 5°C (41°F) | 14 mm (0.6 inches) | 59% | high |
| May Weather | 12°C (54°F) | 16 mm (0.6 inches) | 50% | very high |
| June Weather | 19°C (66°F) | 40 mm (1.6 inches) | 55% | very high |
| July Weather | 21°C (69°F) | 50 mm (2.0 inches) | 57% | very high |
| August Weather | 17°C (63°F) | 71 mm (2.8 inches) | 58% | very high |
| September Weather | 11°C (53°F) | 38 mm (1.5 inches) | 65% | high |
| October Weather | 1°C (35°F) | 15 mm (0.6 inches) | 65% | moderate |
| November Weather | -9°C (17°F) | 8 mm (0.3 inches) | 67% | moderate |
| December Weather | -19°C (-2°F) | 2 mm (0.1 inches) | 89% | low |