Last updated: August 28, 2025
In December, the average temperature in Bayantohom, Mongolia hovers around -16°C (4°F), with extremes ranging from a frigid -37°C (-35°F) to a mild 6°C (44°F). During this month, you can expect minimal precipitation—just 2 mm (0.1 in) over the course of 0 days. The average humidity is notably high at 86%, adding to the chilly atmosphere.
In December in Bayantohom, the average temperature is -16°C (4°F), with maximums that can reach 6°C (44°F) and minimums that can drop as low as -37°C (-35°F). Travelers should be well-prepared for extreme cold conditions during this time.
In Bayantohom in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Bayantohom in December humidity is 86%. With an average temperature of -16°C (4°F), this humidity feels like an icy blanket enveloping you, making every breath feel heavy and frigid, which can be quite challenging for travelers unaccustomed to such biting conditions.
In Bayantohom 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 Bayantohom, you can visit Hourly UV Index in Bayantohom.
UV Risk Categories
Weather in Bayantohom varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bayantohom, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -18°C (1°F) | 2 mm (0.1 inches) | 89% | low |
| February Weather | -14°C (7°F) | 4 mm (0.2 inches) | 78% | moderate |
| March Weather | -3°C (27°F) | 4 mm (0.2 inches) | 66% | moderate |
| April Weather | 5°C (41°F) | 15 mm (0.6 inches) | 64% | high |
| May Weather | 12°C (54°F) | 14 mm (0.6 inches) | 52% | very high |
| June Weather | 18°C (66°F) | 25 mm (1.0 inches) | 59% | very high |
| July Weather | 21°C (70°F) | 42 mm (1.7 inches) | 63% | very high |
| August Weather | 18°C (64°F) | 68 mm (2.7 inches) | 62% | very high |
| September Weather | 12°C (54°F) | 29 mm (1.2 inches) | 65% | high |
| October Weather | 2°C (36°F) | 12 mm (0.5 inches) | 65% | moderate |
| November Weather | -7°C (19°F) | 8 mm (0.3 inches) | 69% | moderate |
| December Weather | -16°C (4°F) | 2 mm (0.1 inches) | 86% | low |