December Weather in Chengmen, China

Last updated: August 23, 2025

In Chengmen, China, the average temperature in December is a pleasant 13°C (56°F). Expect minimums to dip to 3°C (37°F) and maximums soaring to 29°C (85°F). With precipitation averaging 32 mm (1.3 in) over 6 days, you might want to carry an umbrella. The humidity levels hover around a comfortable 79%, making it an ideal time to enjoy the local attractions!

December Temperature in Chengmen

In December in Chengmen, the average temperature is 13°C (56°F). Maximums can reach 29°C (85°F) and minimums can be as low as 3°C (37°F). This makes Chengmen a great destination for travelers seeking mild weather and the possibility of both warm and cool experiences.

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

The chart illustrates December temperature patterns in Chengmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengmen, December typically has an average temperature of 13°C (56°F), with highs reaching up to 29°C (85°F) and lows dropping to around 3°C (37°F).

Data source: Temperature data for Chengmen generated using information from the Copernicus Climate Change Service.

December Precipitation in Chengmen

In Chengmen in December, the total precipitation amount is 32 mm (1.3 in) over the course of 6 days.

December Precipitation Trends in Chengmen

The chart displays monthly precipitation patterns in Chengmen, 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 Chengmen, December typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Chengmen

In Chengmen in December, humidity is 79%. With an average temperature of 13°C (56°F), this humidity feels like a damp, cool blanket wrapping around you, making traveling slightly uncomfortable and requiring you to dress in layers to stay comfortable while exploring.

December Average Humidity in Chengmen

This chart illustrates the average monthly humidity levels in Chengmen, 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 Chengmen is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chengmen

In Chengmen 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 Chengmen, you can refer to this Hourly UV Index in Chengmen.

Maximum UV Index Levels in Chengmen for December

The chart shows the monthly maximum UV Index (UVI) for Chengmen 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 Chengmen typically reaches 6, which falls under the high exposure category.

Data source: Chengmen 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 Chengmen Compares to Other Months

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

This table compares monthly weather conditions in Chengmen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	42 mm (1.7 inches)	73%	high
February Weather	12°C (53°F)	77 mm (3.0 inches)	73%	very high
March Weather	15°C (60°F)	142 mm (5.6 inches)	80%	extreme
April Weather	19°C (66°F)	112 mm (4.4 inches)	81%	extreme
May Weather	23°C (74°F)	211 mm (8.3 inches)	85%	extreme
June Weather	26°C (80°F)	301 mm (11.8 inches)	81%	extreme
July Weather	29°C (84°F)	129 mm (5.1 inches)	84%	extreme
August Weather	28°C (83°F)	280 mm (11.0 inches)	82%	extreme
September Weather	27°C (80°F)	97 mm (3.8 inches)	70%	extreme
October Weather	22°C (72°F)	59 mm (2.3 inches)	73%	very high
November Weather	18°C (64°F)	69 mm (2.7 inches)	77%	very high
December Weather	13°C (56°F)	32 mm (1.3 inches)	79%	high