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December Weather in Jianshan, China

Last updated: August 22, 2025

In December, the average temperature in Jianshan, China hovers around -1°C (30°F). Expect chilly conditions, with minimum temperatures dipping as low as -25°C (-12°F) and highs reaching up to 9°C (49°F). Rainfall is modest, with about 20 mm (0.8 in) of precipitation spread over 6 days. Additionally, you can anticipate a high humidity level of 87%, adding to the brisk atmosphere.

December Temperature in Jianshan

In December in Jianshan, the average temperature is -1°C (30°F), with maximums reaching up to 9°C (49°F) and minimums dropping as low as -25°C (-12°F). Travelers should prepare for cold conditions and dress in layers to stay comfortable during their visit.

December Weather in Jianshan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Jianshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jianshan, December typically has an average temperature of -1°C (30°F), with highs reaching up to 9°C (49°F) and lows dropping to around -25°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec273244515864686760504029
Data source: Temperature data for Jianshan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Jianshan

In Jianshan in December, the precipitation amount is 20 mm (0.8 in) over the course of 6 days.

December Precipitation Trends in Jianshan

The chart displays monthly precipitation patterns in Jianshan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Jianshan, December typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec192946731141232111881511093720
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jianshan

In Jianshan in December, humidity is 87%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel uncomfortable as the dampness clings to your skin, intensifying the cold and causing every gust of wind to feel even more frigid.

December Average Humidity in Jianshan

This chart illustrates the average monthly humidity levels in Jianshan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Jianshan is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%86%85%84%87%88%91%91%91%90%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jianshan

In Jianshan 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 Jianshan for better planning.

Maximum UV Index Levels in Jianshan for December

The chart shows the monthly maximum UV Index (UVI) for Jianshan in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Jianshan typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111313131212964
Data source: Jianshan December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Jianshan Compares to Other Months

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.

This table compares monthly weather conditions in Jianshan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)19 mm (0.7 inches)87%moderate
February Weather0°C (32°F)29 mm (1.1 inches)90%very high
March Weather7°C (44°F)46 mm (1.8 inches)86%very high
April Weather11°C (52°F)73 mm (2.9 inches)84%extreme
May Weather15°C (58°F)114 mm (4.5 inches)84%extreme
June Weather18°C (64°F)123 mm (4.8 inches)87%extreme
July Weather20°C (68°F)211 mm (8.3 inches)88%extreme
August Weather20°C (68°F)188 mm (7.4 inches)91%extreme
September Weather16°C (60°F)150 mm (5.9 inches)91%extreme
October Weather10°C (50°F)109 mm (4.3 inches)91%very high
November Weather5°C (41°F)37 mm (1.5 inches)90%high
December Weather-1°C (30°F)20 mm (0.8 inches)87%moderate

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