May Weather in Heshan, China

Last updated: August 22, 2025

In May, the average temperature in Heshan, China hovers around 18°C (66°F). Visitors can expect a minimum of 5°C (42°F) and may experience highs of up to 38°C (100°F). With an average precipitation of 52 mm (2.0 in) spread over 6 days, and humidity levels reaching 82%, it's a month that beautifully balances warmth and moisture.

May Temperature in Heshan

In May in Heshan, the average temperature is 18°C (66°F). Maximum temperatures can reach 38°C (100°F), while the minimum can be as low as 5°C (42°F). It's advisable to pack layers to accommodate both warm days and cooler evenings during your travels.

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

The chart illustrates May temperature patterns in Heshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heshan, May typically has an average temperature of 18°C (66°F), with highs reaching up to 38°C (100°F) and lows dropping to around 5°C (42°F).

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

May Precipitation in Heshan

In Heshan, in May, the precipitation amount is 52 mm (2.0 in) over the course of 6 days.

May Precipitation Trends in Heshan

The chart displays monthly precipitation patterns in Heshan, 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 Heshan, May typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 6 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 Heshan

In Heshan in May, humidity is 82%. With an average temperature of 18°C (66°F), this humidity feels like a warm blanket enveloping you, making travel feel both refreshing and slightly heavy, as you meander through the sights with a gentle sheen on your skin.

May Average Humidity in Heshan

This chart illustrates the average monthly humidity levels in Heshan, 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 Heshan is approximately 82%, 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 Heshan

In Heshan in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Heshan.

Maximum UV Index Levels in Heshan for May

The chart shows the monthly maximum UV Index (UVI) for Heshan 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 Heshan typically reaches 9, which falls under the very high exposure category.

Data source: Heshan 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 Heshan Compares to Other Months

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

This table compares monthly weather conditions in Heshan, 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 (31°F)	15 mm (0.6 inches)	65%	moderate
February Weather	1°C (34°F)	18 mm (0.7 inches)	62%	moderate
March Weather	7°C (45°F)	23 mm (0.9 inches)	69%	high
April Weather	13°C (55°F)	40 mm (1.6 inches)	81%	very high
May Weather	18°C (66°F)	52 mm (2.0 inches)	82%	very high
June Weather	23°C (73°F)	66 mm (2.6 inches)	86%	very high
July Weather	26°C (79°F)	145 mm (5.7 inches)	93%	extreme
August Weather	27°C (80°F)	124 mm (4.9 inches)	91%	extreme
September Weather	22°C (72°F)	73 mm (2.9 inches)	74%	very high
October Weather	15°C (59°F)	27 mm (1.1 inches)	72%	high
November Weather	9°C (48°F)	29 mm (1.1 inches)	71%	moderate
December Weather	2°C (35°F)	23 mm (0.9 inches)	69%	moderate