Last updated: August 28, 2025
In December, the average temperature in Lun, Mongolia drops to a chilly -18°C (-1°F). Expect minimum extremes of -36°C (-32°F) and occasional peaks at 3°C (38°F). With a mere 2 mm (0.1 in) of precipitation over 0 days, the air feels quite crisp, complemented by an average humidity of 89%. Stay warm!
In December in Lun, the average temperature is -18°C (1°F), with maximums reaching up to 3°C (38°F) and minimums dropping as low as -36°C (-32°F). Travelers should be well-prepared for extreme cold conditions during this time.
In Lun in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Lun in December, humidity is 89%. With an average temperature of -18°C (-1°F), this humidity feels like a biting cold that seeps through layers of clothing, making any outdoor adventure feel like an endurance test rather than a leisurely exploration.
In Lun 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 Lun, you can visit Hourly UV Index in Lun.
UV Risk Categories
Weather in Lun varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lun, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -21°C (-5°F) | 2 mm (0.1 inches) | 92% | low |
| February Weather | -16°C (4°F) | 4 mm (0.2 inches) | 84% | moderate |
| March Weather | -4°C (26°F) | 4 mm (0.2 inches) | 64% | moderate |
| April Weather | 5°C (42°F) | 15 mm (0.6 inches) | 59% | high |
| May Weather | 12°C (55°F) | 14 mm (0.6 inches) | 50% | very high |
| June Weather | 19°C (66°F) | 33 mm (1.3 inches) | 55% | very high |
| July Weather | 21°C (70°F) | 44 mm (1.7 inches) | 57% | very high |
| August Weather | 18°C (64°F) | 69 mm (2.7 inches) | 58% | very high |
| September Weather | 12°C (54°F) | 34 mm (1.3 inches) | 65% | high |
| October Weather | 2°C (36°F) | 13 mm (0.5 inches) | 65% | moderate |
| November Weather | -8°C (18°F) | 8 mm (0.3 inches) | 67% | moderate |
| December Weather | -18°C (-1°F) | 2 mm (0.1 inches) | 89% | low |