Last updated: August 22, 2025
In Chayuan, China, the average temperature in December hovers around 9°C (49°F), making it a pleasantly brisk time of year. However, temperatures can variably dip to a chilly -2°C (28°F) or rise to a mild 26°C (79°F). Expect about 33 mm (1.3 in) of precipitation over roughly 7 days, contributing to an average humidity level of 76%. Prepare for a mix of cool air and occasional wet weather!
In December in Chayuan, the average temperature is 9°C (49°F). Maximums can reach 26°C (79°F), and minimums can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling during this month.
In Chayuan in December, the precipitation amount is 33 mm (1.3 in) over a period of 7 days.
In Chayuan in December, humidity is 76%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making outdoor adventures a bit uncomfortable as the dampness seeps into your clothes and lingers in the air, often leading to a sense of coolness that can be refreshing but also dampens the joy of exploration.
In Chayuan in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Chayuan, you can refer to this Hourly UV Index in Chayuan.
UV Risk Categories
Weather in Chayuan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chayuan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 43 mm (1.7 inches) | 64% | high |
| February Weather | 10°C (50°F) | 92 mm (3.6 inches) | 69% | very high |
| March Weather | 15°C (60°F) | 181 mm (7.1 inches) | 79% | extreme |
| April Weather | 19°C (66°F) | 168 mm (6.6 inches) | 81% | extreme |
| May Weather | 24°C (75°F) | 261 mm (10.3 inches) | 86% | extreme |
| June Weather | 27°C (80°F) | 353 mm (13.9 inches) | 83% | extreme |
| July Weather | 29°C (85°F) | 127 mm (5.0 inches) | 89% | extreme |
| August Weather | 29°C (85°F) | 146 mm (5.8 inches) | 84% | extreme |
| September Weather | 27°C (80°F) | 99 mm (3.9 inches) | 62% | extreme |
| October Weather | 20°C (69°F) | 47 mm (1.9 inches) | 64% | very high |
| November Weather | 15°C (60°F) | 76 mm (3.0 inches) | 72% | very high |
| December Weather | 9°C (49°F) | 33 mm (1.3 inches) | 76% | high |