Last updated: August 22, 2025
In December, the average temperature in Jianshan, China hovers around 2°C (37°F). Expect chilly nights, with temperatures dipping as low as -8°C (17°F), while daytime highs can reach a mild 13°C (55°F). Prepare for a bit of wet weather, as 41 mm (1.6 in) of precipitation typically falls over 10 days. With an average humidity of 81%, it's a time to bundle up and stay cozy!
In December in Jianshan, the average temperature is 2°C (37°F). The maximum can reach 13°C (55°F), while the minimum can be as low as -8°C (17°F). Travelers should prepare for chilly weather and pack accordingly to enjoy their visit in comfort.
In Jianshan in December, the precipitation amount is 41 mm (1.6 in) spread over 10 days.
In Jianshan in December, humidity is 81%. With an average temperature of 2°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and encouraging a cozy retreat indoors rather than adventurous exploration.
In Jianshan in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 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 | 1°C (34°F) | 51 mm (2.0 inches) | 72% | moderate |
| February Weather | 3°C (37°F) | 67 mm (2.6 inches) | 76% | high |
| March Weather | 8°C (47°F) | 108 mm (4.3 inches) | 87% | very high |
| April Weather | 12°C (55°F) | 157 mm (6.2 inches) | 82% | extreme |
| May Weather | 16°C (61°F) | 185 mm (7.3 inches) | 83% | extreme |
| June Weather | 20°C (68°F) | 288 mm (11.3 inches) | 84% | extreme |
| July Weather | 22°C (72°F) | 368 mm (14.5 inches) | 87% | extreme |
| August Weather | 22°C (72°F) | 277 mm (10.9 inches) | 85% | extreme |
| September Weather | 18°C (65°F) | 260 mm (10.2 inches) | 77% | extreme |
| October Weather | 13°C (55°F) | 158 mm (6.2 inches) | 81% | very high |
| November Weather | 8°C (46°F) | 70 mm (2.8 inches) | 86% | high |
| December Weather | 2°C (37°F) | 41 mm (1.6 inches) | 81% | moderate |