Last updated: August 22, 2025
In December, the average temperature in Jianshan, China is a chilly -15°C (5°F). Expect temperatures to dip as low as -30°C (-21°F) at times, while highs can reach up to 6°C (44°F). During this month, precipitation is minimal, with an average of just 9 mm (0.3 in) spread over 1 day. You'll also notice a typical humidity level of 71%, contributing to the crisp winter atmosphere.
In December in Jianshan, the average temperature is -15°C (5°F). Maximums can reach 6°C (44°F), while minimums can dip as low as -30°C (-21°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm.
In Jianshan in December, the precipitation amount is 9 mm (0.3 in) over the course of 1 day.
In Jianshan in December humidity is 71%. With an average temperature of -15°C (5°F), this humidity feels like an icy blanket wrapping around you, making travel challenging as the cold bites and dampness seeps into your bones, necessitating extra layers and careful planning for outdoor activities.
In Jianshan 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 Jianshan.
UV Risk Categories
Weather in Jianshan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jianshan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -17°C (2°F) | 5 mm (0.2 inches) | 85% | low |
| February Weather | -13°C (10°F) | 9 mm (0.4 inches) | 83% | moderate |
| March Weather | -2°C (29°F) | 22 mm (0.9 inches) | 75% | moderate |
| April Weather | 7°C (45°F) | 39 mm (1.5 inches) | 70% | high |
| May Weather | 15°C (59°F) | 77 mm (3.0 inches) | 72% | high |
| June Weather | 19°C (66°F) | 115 mm (4.5 inches) | 83% | very high |
| July Weather | 24°C (75°F) | 121 mm (4.8 inches) | 86% | very high |
| August Weather | 21°C (69°F) | 172 mm (6.8 inches) | 88% | very high |
| September Weather | 15°C (60°F) | 88 mm (3.5 inches) | 87% | high |
| October Weather | 7°C (45°F) | 26 mm (1.0 inches) | 83% | moderate |
| November Weather | -4°C (24°F) | 36 mm (1.4 inches) | 67% | low |
| December Weather | -15°C (5°F) | 9 mm (0.3 inches) | 71% | low |