Last updated: August 28, 2025
In December, the average temperature in Bayansayr, Mongolia hovers around -14°C (8°F). Be prepared for chilly extremes, with a minimum of -32°C (-26°F) and a maximum of 2°C (36°F). The region sees minimal precipitation, averaging only 1 mm (0.0 in) across 0 days, while the air remains quite moist with an average humidity of 89%.
In December in Bayansayr, the average temperature is -14°C (8°F), with maximums reaching 2°C (36°F) and minimums plummeting as low as -32°C (-26°F). Travelers should be prepared for extremely cold conditions and dress accordingly to stay warm and safe.
In Bayansayr in December, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.
In Bayansayr in December humidity is 89%. With an average temperature of -14°C (8°F), this humidity feels like an icy blanket wrapping around you, making every breath feel heavier and colder, and turning even short walks into a challenging expedition.
In Bayansayr 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 Bayansayr, you can visit Hourly UV Index in Bayansayr.
UV Risk Categories
Weather in Bayansayr varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bayansayr, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -15°C (6°F) | 2 mm (0.1 inches) | 89% | low |
February Weather | -10°C (14°F) | 2 mm (0.1 inches) | 81% | moderate |
March Weather | -1°C (31°F) | 5 mm (0.2 inches) | 60% | high |
April Weather | 8°C (47°F) | 6 mm (0.2 inches) | 51% | very high |
May Weather | 15°C (59°F) | 11 mm (0.4 inches) | 35% | very high |
June Weather | 21°C (70°F) | 11 mm (0.4 inches) | 35% | very high |
July Weather | 23°C (73°F) | 34 mm (1.3 inches) | 36% | very high |
August Weather | 21°C (69°F) | 20 mm (0.8 inches) | 42% | very high |
September Weather | 14°C (58°F) | 12 mm (0.5 inches) | 46% | high |
October Weather | 4°C (39°F) | 3 mm (0.1 inches) | 49% | moderate |
November Weather | -6°C (22°F) | 1 mm (0.1 inches) | 64% | moderate |
December Weather | -14°C (8°F) | 1 mm (0.0 inches) | 89% | low |