Last updated: August 22, 2025
In December, the average temperature in Altay, China hovers around -15°C (5°F). Be prepared for chilling lows of -29°C (-20°F) and the occasional high reaching 3°C (38°F). With an average precipitation of 12 mm (0.5 in) spread over 3 days, expect some dampness, complemented by an average humidity of 87%. Bundle up and stay warm!
In December in Altay, the average temperature is -15°C (5°F), with maximums reaching 3°C (38°F) and minimums plummeting as low as -29°C (-20°F). Travelers should be prepared for extremely cold conditions and pack accordingly.
In Altay in December, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.
In Altay in December, humidity is 87%. With an average temperature of -15°C (5°F), this humidity feels like a biting chill that penetrates layers of clothing, making traveling uncomfortable and energy-sapping as the cold dampness clings to your skin.
In Altay 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 Altay, you can visit Hourly UV Index in Altay.
UV Risk Categories
Weather in Altay varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Altay, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -17°C (2°F) | 7 mm (0.3 inches) | 89% | low |
February Weather | -13°C (9°F) | 14 mm (0.5 inches) | 86% | moderate |
March Weather | -4°C (25°F) | 20 mm (0.8 inches) | 77% | high |
April Weather | 7°C (45°F) | 20 mm (0.8 inches) | 62% | high |
May Weather | 13°C (56°F) | 29 mm (1.2 inches) | 44% | very high |
June Weather | 18°C (65°F) | 25 mm (1.0 inches) | 37% | very high |
July Weather | 20°C (69°F) | 29 mm (1.1 inches) | 40% | very high |
August Weather | 19°C (66°F) | 28 mm (1.1 inches) | 46% | very high |
September Weather | 12°C (54°F) | 28 mm (1.1 inches) | 51% | high |
October Weather | 3°C (38°F) | 26 mm (1.0 inches) | 65% | moderate |
November Weather | -7°C (19°F) | 40 mm (1.6 inches) | 76% | low |
December Weather | -15°C (5°F) | 12 mm (0.5 inches) | 87% | low |