May Weather in Dongguan, China

Last updated: August 22, 2025

In May, the average temperature in Dongguan, China hovers around 18°C (64°F), with a minimum dip to 5°C (42°F) and a warm maximum of 31°C (88°F). Expect about 78 mm (3.1 in) of precipitation spread over 10 days, contributing to a relatively high average humidity of 81%. Stay prepared for a mix of weather!

May Temperature in Dongguan

In May in Dongguan, the average temperature is 18°C (64°F). The maximum can reach 31°C (88°F), while the minimum can be as low as 5°C (42°F). This makes Dongguan a great destination for travelers looking to enjoy moderate weather with possibilities for both warm and cooler days.

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

The chart illustrates May temperature patterns in Dongguan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dongguan, May typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 5°C (42°F).

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

May Precipitation in Dongguan

In Dongguan in May, the precipitation amount is 78 mm (3.1 in) over the course of 10 days.

May Precipitation Trends in Dongguan

The chart displays monthly precipitation patterns in Dongguan, 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 Dongguan, May typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 10 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 Dongguan

In Dongguan in May, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

May Average Humidity in Dongguan

This chart illustrates the average monthly humidity levels in Dongguan, 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 Dongguan is approximately 81%, 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 Dongguan

In Dongguan in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Dongguan.

Maximum UV Index Levels in Dongguan for May

The chart shows the monthly maximum UV Index (UVI) for Dongguan 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 Dongguan typically reaches 11, which falls under the extreme exposure category.

Data source: Dongguan 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 Dongguan Compares to Other Months

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

This table compares monthly weather conditions in Dongguan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	17 mm (0.7 inches)	85%	moderate
February Weather	4°C (39°F)	26 mm (1.0 inches)	87%	high
March Weather	9°C (49°F)	43 mm (1.7 inches)	90%	very high
April Weather	14°C (57°F)	63 mm (2.5 inches)	85%	very high
May Weather	18°C (64°F)	78 mm (3.1 inches)	81%	extreme
June Weather	21°C (71°F)	117 mm (4.6 inches)	86%	extreme
July Weather	24°C (75°F)	148 mm (5.8 inches)	87%	extreme
August Weather	23°C (74°F)	150 mm (5.9 inches)	88%	extreme
September Weather	18°C (65°F)	150 mm (5.9 inches)	89%	very high
October Weather	12°C (54°F)	129 mm (5.1 inches)	90%	very high
November Weather	7°C (45°F)	31 mm (1.2 inches)	88%	moderate
December Weather	2°C (35°F)	20 mm (0.8 inches)	88%	moderate