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December Weather in Chengnan, China

Last updated: August 22, 2025

In Chengnan, China, the average temperature in December hovers around 7°C (45°F). Expect minimum chills of -3°C (27°F) and delightful highs reaching 19°C (66°F). During this month, precipitation averages 25 mm (1.0 in) spread across 6 days, while humidity remains high at an average of 80%.

December Temperature in Chengnan

In December in Chengnan, the average temperature is 7°C (45°F). The maximum can reach 19°C (66°F) and the minimum can be as low as -3°C (27°F). Be prepared for a mix of mild and chilly weather if you plan to travel during this time.

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 7°C (45°F), with highs reaching up to 19°C (66°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec414555647279838477655645
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 25 mm (1.0 in) spread over 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 25 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec47469612217421419414097644525
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 80%. With an average temperature of 7°C (45°F), this humidity feels like you're wrapped in a damp blanket, making it quite uncomfortable for traveling and leaving you feeling chilly and clammy 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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%78%87%85%82%84%88%84%70%77%84%80%
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 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 Chengnan for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011121110964
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 Weather5°C (41°F)47 mm (1.8 inches)74%moderate
February Weather7°C (46°F)46 mm (1.8 inches)77%high
March Weather13°C (56°F)96 mm (3.8 inches)87%very high
April Weather18°C (64°F)121 mm (4.8 inches)85%very high
May Weather22°C (73°F)174 mm (6.8 inches)82%very high
June Weather26°C (79°F)214 mm (8.4 inches)84%extreme
July Weather29°C (84°F)193 mm (7.6 inches)88%extreme
August Weather29°C (85°F)140 mm (5.5 inches)84%extreme
September Weather25°C (77°F)97 mm (3.8 inches)70%very high
October Weather18°C (65°F)64 mm (2.5 inches)77%very high
November Weather14°C (57°F)45 mm (1.8 inches)84%high
December Weather7°C (45°F)25 mm (1.0 inches)80%moderate

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