Last updated: August 28, 2025
In December, the average temperature in Orhontuul, Mongolia hovers around -16°C (3°F). Expect chilly conditions, with minimums plummeting to -33°C (-27°F) and occasional highs reaching 2°C (37°F). Precipitation is light, averaging just 4 mm (0.1 in) over 0 days, and the air remains quite damp, with an average humidity of 89%.
In December in Orhontuul, the average temperature is -16°C (3°F), with maximums reaching up to 2°C (37°F) and minimums dropping as low as -33°C (-27°F). Travelers should prepare for extremely cold conditions and dress warmly to fully enjoy their visit.
In Orhontuul in December, the precipitation amount is 4 mm (0.1 in) recorded over a span of 0 days.
In Orhontuul in December humidity is 89%. With an average temperature of -16°C (3°F), this humidity feels like an icy grip on your skin, making every breath feel sharp and biting, as the cold air mingles with the moisture, creating a numbing chill that can be both invigorating and uncomfortable for traveling.
In Orhontuul 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 Orhontuul.
UV Risk Categories
Weather in Orhontuul varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Orhontuul, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -20°C (-3°F) | 3 mm (0.1 inches) | 90% | low |
| February Weather | -16°C (4°F) | 4 mm (0.2 inches) | 77% | moderate |
| March Weather | -3°C (26°F) | 8 mm (0.3 inches) | 66% | moderate |
| April Weather | 6°C (43°F) | 15 mm (0.6 inches) | 70% | high |
| May Weather | 13°C (56°F) | 25 mm (1.0 inches) | 65% | very high |
| June Weather | 20°C (68°F) | 37 mm (1.5 inches) | 73% | very high |
| July Weather | 22°C (71°F) | 63 mm (2.5 inches) | 78% | very high |
| August Weather | 19°C (66°F) | 76 mm (3.0 inches) | 79% | very high |
| September Weather | 13°C (55°F) | 41 mm (1.6 inches) | 79% | high |
| October Weather | 3°C (37°F) | 17 mm (0.7 inches) | 78% | moderate |
| November Weather | -7°C (19°F) | 10 mm (0.4 inches) | 78% | low |
| December Weather | -16°C (3°F) | 4 mm (0.1 inches) | 89% | low |