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December Weather in Chengnan, China

Last updated: August 22, 2025

In December, the average temperature in Chengnan, China hovers around 10°C (51°F), with a minimum dipping to -1°C (31°F) and a maximum soaring to 26°C (79°F). Expect a precipitation total of 37 mm (1.5 in) over approximately 6 days, while the average humidity sits at a comfortable 76%.

December Temperature in Chengnan

In December in Chengnan, the average temperature is 10°C (51°F). The maximum can reach 26°C (79°F) and the minimum can be as low as -1°C (31°F). This variation makes it essential for travelers to pack layers to accommodate both warm and chilly conditions.

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

The chart illustrates December temperature patterns in Chengnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengnan, December typically has an average temperature of 10°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec495260667478838279696151
Data source: Temperature data for Chengnan 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 Chengnan

In Chengnan in December, the precipitation amount is 37 mm (1.5 in) over the course of 6 days.

December Precipitation Trends in Chengnan

The chart displays monthly precipitation patterns in Chengnan, 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 Chengnan, December typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec4596177156206309110166104416837
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chengnan

In Chengnan in December, humidity is 76%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor excursions feel much colder, requiring extra layers for comfort as you explore the area.

December Average Humidity in Chengnan

This chart illustrates the average monthly humidity levels in Chengnan, 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 Chengnan is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%69%79%81%86%83%90%84%62%64%72%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chengnan

In Chengnan in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Chengnan, you can refer to this Hourly UV Index in Chengnan.

Maximum UV Index Levels in Chengnan for December

The chart shows the monthly maximum UV Index (UVI) for Chengnan 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 Chengnan typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec7911111313131311986
Data source: Chengnan 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 Chengnan Compares to Other Months

Weather in Chengnan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chengnan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Chengnan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)45 mm (1.8 inches)64%high
February Weather11°C (52°F)96 mm (3.8 inches)69%very high
March Weather15°C (60°F)177 mm (7.0 inches)79%extreme
April Weather19°C (66°F)156 mm (6.1 inches)81%extreme
May Weather23°C (74°F)206 mm (8.1 inches)86%extreme
June Weather26°C (79°F)309 mm (12.2 inches)83%extreme
July Weather28°C (83°F)109 mm (4.3 inches)89%extreme
August Weather28°C (82°F)166 mm (6.5 inches)84%extreme
September Weather26°C (79°F)104 mm (4.1 inches)62%extreme
October Weather21°C (70°F)41 mm (1.6 inches)64%very high
November Weather16°C (61°F)67 mm (2.7 inches)72%very high
December Weather10°C (51°F)37 mm (1.5 inches)76%high

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