Last updated: August 22, 2025
In December, the average temperature in Caiyuan, China hovers around 12°C (53°F), with potential extremes ranging from a chilly -1°C (31°F) to a pleasant 19°C (67°F). Visitors can expect 67 mm (2.6 in) of rainfall spread over approximately 10 days, contributing to an average humidity of 77%. Perfect for cozy indoor activities or braving the refreshing outdoors!
In December in Caiyuan, the average temperature is 12°C (53°F). Maximum temperatures can reach 19°C (67°F), while the minimum can dip as low as -1°C (31°F). This weather makes Caiyuan a great destination for travelers who enjoy mild climates and the chance to experience a mix of warm and chilly days.
In Caiyuan in December, the total precipitation amount is 67 mm (2.6 in) over a period of 10 days.
In Caiyuan in December, humidity is 77%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that can make exploration rather uncomfortable, as the moisture in the air clings to your skin and makes even a light breeze feel colder, often requiring additional layers for comfort while traveling.
In Caiyuan in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Caiyuan for better planning.
UV Risk Categories
Weather in Caiyuan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Caiyuan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 63 mm (2.5 inches) | 70% | moderate |
| February Weather | 8°C (47°F) | 70 mm (2.7 inches) | 73% | high |
| March Weather | 11°C (52°F) | 101 mm (4.0 inches) | 81% | very high |
| April Weather | 14°C (58°F) | 82 mm (3.2 inches) | 87% | very high |
| May Weather | 19°C (67°F) | 141 mm (5.6 inches) | 87% | extreme |
| June Weather | 23°C (73°F) | 231 mm (9.1 inches) | 89% | extreme |
| July Weather | 26°C (79°F) | 189 mm (7.4 inches) | 93% | extreme |
| August Weather | 28°C (82°F) | 119 mm (4.7 inches) | 91% | very high |
| September Weather | 25°C (78°F) | 159 mm (6.3 inches) | 81% | very high |
| October Weather | 21°C (71°F) | 109 mm (4.3 inches) | 80% | very high |
| November Weather | 17°C (63°F) | 73 mm (2.9 inches) | 82% | high |
| December Weather | 12°C (53°F) | 67 mm (2.6 inches) | 77% | moderate |