May Weather in Chengmen, China

Last updated: August 23, 2025

In May, the average temperature in Chengmen, China hovers around 23°C (74°F). Expect some variability, with minimum temperatures dropping to 9°C (49°F) and highs reaching up to 37°C (100°F). During this time, precipitation accumulates to about 211 mm (8.3 in) over 18 days, contributing to an average humidity level of 85%.

May Temperature in Chengmen

In May in Chengmen, the average temperature is 23°C (74°F). Maximums can reach 37°C (100°F) while minimums can drop as low as 9°C (49°F). Prepare for a variety of weather conditions and pack accordingly for your trip!

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

The chart illustrates May 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, May typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (100°F) and lows dropping to around 9°C (49°F).

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

May Precipitation in Chengmen

In Chengmen in May, the precipitation amount is 211 mm (8.3 in) over a period of 18 days.

May Precipitation Trends in Chengmen

The chart displays monthly precipitation patterns in Chengmen, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Chengmen, May typically receives around 211 mm (8.3 inches) of precipitation spread over approximately 18 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Chengmen

In Chengmen in May humidity is 85%. With an average temperature of 23°C (74°F), this humidity feels like a thick, steamy blanket wrapping around you, making outdoor activities draining and sweaty, and leaving you longing for a cool breeze or a refreshing drink to ease the discomfort while traveling.

May Average Humidity in Chengmen

This chart illustrates the average monthly humidity levels in Chengmen, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Chengmen is approximately 85%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Chengmen

In Chengmen in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Chengmen.

Maximum UV Index Levels in Chengmen for May

The chart shows the monthly maximum UV Index (UVI) for Chengmen in May, 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 May, the maximum UV index in Chengmen typically reaches 12, which falls under the extreme exposure category.

Data source: Chengmen May 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 May 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 May’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 May’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