Last updated: August 28, 2025
In December, the average temperature in Oldziyt, Mongolia hovers around -16°C (3°F), with extremes ranging from a chilly -41°C (-41°F) to a milder 1°C (34°F). Expect minimal precipitation, with only 3 mm (0.1 in) over 0 days, and embrace the crisp air with an average humidity of 86%.
In December in Oldziyt, the average temperature is -16°C (3°F), with a maximum reaching 1°C (34°F) and a minimum plummeting to -41°C (-41°F). Travelers should be prepared for extreme cold conditions during this time.
In Oldziyt in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.
In Oldziyt in December, humidity is 86%. With an average temperature of -16°C (3°F), this humidity feels like an icy blanket wrapping around you, making outdoor travel both brisk and invigorating, yet challenging as the cold air can quickly penetrate your clothing, adding an extra layer of difficulty for those venturing outside.
In Oldziyt 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 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 | -19°C (-2°F) | 3 mm (0.1 inches) | 85% | low |
| February Weather | -15°C (6°F) | 7 mm (0.3 inches) | 74% | moderate |
| March Weather | -5°C (24°F) | 10 mm (0.4 inches) | 72% | moderate |
| April Weather | 3°C (38°F) | 23 mm (0.9 inches) | 74% | high |
| May Weather | 10°C (50°F) | 33 mm (1.3 inches) | 68% | very high |
| June Weather | 16°C (60°F) | 57 mm (2.2 inches) | 73% | very high |
| July Weather | 17°C (63°F) | 116 mm (4.6 inches) | 79% | very high |
| August Weather | 14°C (58°F) | 119 mm (4.7 inches) | 77% | very high |
| September Weather | 9°C (49°F) | 39 mm (1.5 inches) | 78% | high |
| October Weather | 0°C (32°F) | 22 mm (0.9 inches) | 76% | moderate |
| November Weather | -9°C (16°F) | 9 mm (0.4 inches) | 78% | low |
| December Weather | -16°C (3°F) | 3 mm (0.1 inches) | 86% | low |