Last updated: August 22, 2025
In January, the average temperature in Jianshan, China is a chilly -17°C (2°F), with minimums plummeting to -33°C (-27°F) and maximums only reaching -1°C (30°F). Expect a modest precipitation of 5 mm (0.2 in) over the course of a single day, accompanied by a high average humidity of 85%. Dress warmly and prepare for the frigid conditions!
In January in Jianshan, the average temperature is -17°C (2°F), with maximums possibly reaching -1°C (30°F) and minimums dropping as low as -33°C (-27°F). Travelers should be prepared for extremely cold weather and dress accordingly when visiting during this time.
In Jianshan in January, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.
In Jianshan in January humidity is 85%. With an average temperature of -17°C (2°F), this humidity feels like an icy blanket enveloping you, making every breath a struggle as the chill seeps into your bones. Traveling in these conditions can be a daunting experience, as thick clouds of frosty air linger, turning even the simplest outings into a battle against the cold and damp.
In Jianshan in January, 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 Jianshan, you can visit 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 January’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 |