Last updated: August 23, 2025
In Yanchiwan, China, the average temperature in December hovers around -17°C (1°F), with potential lows of -32°C (-24°F) and highs reaching 1°C (34°F). Expect 6 mm (0.2 in) of precipitation spread over 2 days, complemented by an average humidity of 74%, creating a crisp and chilly atmosphere throughout the month.
In December in Yanchiwan, the average temperature is -17°C (1°F), with a maximum that can reach 1°C (34°F) and a minimum that can drop as low as -32°C (-24°F). Travelers should be prepared for extremely cold conditions and dress accordingly to enjoy their time in Yanchiwan.
In Yanchiwan in December, the precipitation amount is 6 mm (0.2 in) over the course of 2 days.
In Yanchiwan in December, humidity is 74%. With an average temperature of -17°C (1°F), this humidity feels like an icy grip, making travel challenging and uncomfortable, as the cold air intensifies the chill, influencing how we perceive the temperature and discouraging prolonged outdoor activities.
In Yanchiwan in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Yanchiwan, you can check the information here.
UV Risk Categories
Weather in Yanchiwan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yanchiwan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -19°C (-1°F) | 6 mm (0.2 inches) | 75% | moderate |
| February Weather | -16°C (4°F) | 7 mm (0.3 inches) | 73% | high |
| March Weather | -8°C (17°F) | 8 mm (0.3 inches) | 68% | very high |
| April Weather | -3°C (28°F) | 21 mm (0.8 inches) | 66% | extreme |
| May Weather | 2°C (37°F) | 33 mm (1.3 inches) | 59% | extreme |
| June Weather | 6°C (43°F) | 71 mm (2.8 inches) | 57% | extreme |
| July Weather | 9°C (49°F) | 70 mm (2.7 inches) | 54% | extreme |
| August Weather | 9°C (49°F) | 37 mm (1.4 inches) | 58% | extreme |
| September Weather | 5°C (41°F) | 14 mm (0.6 inches) | 59% | extreme |
| October Weather | -2°C (28°F) | 6 mm (0.2 inches) | 67% | very high |
| November Weather | -10°C (14°F) | 5 mm (0.2 inches) | 71% | moderate |
| December Weather | -17°C (1°F) | 6 mm (0.2 inches) | 74% | moderate |