Last updated: August 28, 2025
In December, the average temperature in Oldziyt, Mongolia hovers around -15°C (6°F). Expect temperature extremes, with a minimum of -33°C (-26°F) and a maximum of 5°C (42°F). Despite the chill, precipitation is minimal, with only 1 mm (0.0 in) recorded over 0 days. The air is quite humid, averaging 76%, making for a crisp atmosphere.
In December in Oldziyt, the average temperature is -15°C (6°F), with maximums reaching 5°C (42°F) and minimums dropping as low as -33°C (-26°F). Travelers should be prepared for very cold conditions and dress warmly if they plan to visit during this time.
In Oldziyt in December, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.
In Oldziyt in December humidity is 76%. With an average temperature of -15°C (6°F), this humidity feels like an icy blanket wrapping around you, making travel challenging as the damp air clings to your skin, intensifying the chill and making even a brisk walk feel more like a trek through a frozen mist.
In Oldziyt 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 Oldziyt, you can visit Hourly UV Index in Oldziyt.
UV Risk Categories
Weather in Oldziyt varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Oldziyt, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -16°C (3°F) | 1 mm (0.0 inches) | 81% | low |
| February Weather | -11°C (12°F) | 3 mm (0.1 inches) | 66% | moderate |
| March Weather | 0°C (32°F) | 5 mm (0.2 inches) | 43% | moderate |
| April Weather | 8°C (47°F) | 4 mm (0.2 inches) | 46% | very high |
| May Weather | 16°C (60°F) | 14 mm (0.5 inches) | 37% | very high |
| June Weather | 22°C (72°F) | 11 mm (0.4 inches) | 40% | very high |
| July Weather | 25°C (76°F) | 29 mm (1.2 inches) | 43% | very high |
| August Weather | 21°C (69°F) | 58 mm (2.3 inches) | 49% | very high |
| September Weather | 16°C (61°F) | 11 mm (0.4 inches) | 49% | high |
| October Weather | 5°C (41°F) | 6 mm (0.2 inches) | 53% | moderate |
| November Weather | -6°C (22°F) | 3 mm (0.1 inches) | 53% | moderate |
| December Weather | -15°C (6°F) | 1 mm (0.0 inches) | 76% | low |