May Weather in Heyuan, China

Last updated: August 22, 2025

In May, the average temperature in Heyuan, China hovers around 24°C (75°F), creating a warm and inviting atmosphere. Expect a range with a minimum of 11°C (53°F) and a maximum soaring to 36°C (98°F). However, be prepared for some rain, as the area experiences approximately 324 mm (12.8 in) of precipitation over 18 days, contributing to an average humidity of a steamy 86%.

May Temperature in Heyuan

In May in Heyuan, the average temperature is 24°C (75°F). Maximum can reach 36°C (98°F) and minimum can be as low as 11°C (53°F). This makes Heyuan an ideal destination for travelers seeking warm weather while still enjoying cooler evenings.

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

The chart illustrates May temperature patterns in Heyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heyuan, May typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (53°F).

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

May Precipitation in Heyuan

In Heyuan in May, the precipitation amount is 324 mm (12.8 in) spread over 18 days.

May Precipitation Trends in Heyuan

The chart displays monthly precipitation patterns in Heyuan, 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 Heyuan, May typically receives around 324 mm (12.8 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 Heyuan

In Heyuan in May, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

May Average Humidity in Heyuan

This chart illustrates the average monthly humidity levels in Heyuan, 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 Heyuan is approximately 86%, 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 Heyuan

In Heyuan 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 Heyuan.

Maximum UV Index Levels in Heyuan for May

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

Data source: Heyuan 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 Heyuan Compares to Other Months

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

This table compares monthly weather conditions in Heyuan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	74 mm (2.9 inches)	64%	high
February Weather	9°C (49°F)	97 mm (3.8 inches)	69%	very high
March Weather	15°C (59°F)	224 mm (8.8 inches)	79%	very high
April Weather	19°C (66°F)	202 mm (7.9 inches)	81%	extreme
May Weather	24°C (75°F)	324 mm (12.8 inches)	86%	extreme
June Weather	27°C (80°F)	411 mm (16.2 inches)	83%	extreme
July Weather	30°C (85°F)	243 mm (9.6 inches)	89%	extreme
August Weather	30°C (86°F)	119 mm (4.7 inches)	84%	extreme
September Weather	27°C (80°F)	97 mm (3.8 inches)	62%	extreme
October Weather	21°C (69°F)	51 mm (2.0 inches)	64%	very high
November Weather	15°C (60°F)	83 mm (3.3 inches)	72%	high
December Weather	9°C (49°F)	55 mm (2.2 inches)	76%	moderate