May Weather in Hekou, China

Last updated: August 22, 2025

In Hekou, China during May, the average temperature hovers around 21°C (70°F). However, be prepared for temperature fluctuations, as it can drop to a chilly 7°C (44°F) or soar up to a sweltering 37°C (99°F). Expect about 34 mm (1.3 in) of precipitation spread over 6 days, contributing to an average humidity level of 65%.

May Temperature in Hekou

In May in Hekou, the average temperature is 21°C (70°F). Maximums can reach 37°C (99°F) and minimums can be as low as 7°C (44°F). It's essential to pack accordingly for the varying temperatures while enjoying your travels.

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

The chart illustrates May temperature patterns in Hekou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hekou, May typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (99°F) and lows dropping to around 7°C (44°F).

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

May Precipitation in Hekou

In Hekou in May, the total precipitation amount is 34 mm (1.3 in) spread over 6 days.

May Precipitation Trends in Hekou

The chart displays monthly precipitation patterns in Hekou, 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 Hekou, May typically receives around 34 mm (1.3 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 Hekou

In Hekou in May humidity is 65%. With an average temperature of 21°C (70°F), this humidity feels quite sticky and can make outdoor activities feel a bit tiring; it's best to stay hydrated and take breaks in the shade while exploring.

May Average Humidity in Hekou

This chart illustrates the average monthly humidity levels in Hekou, 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 Hekou is approximately 65%, 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 Hekou

In Hekou 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 Hekou.

Maximum UV Index Levels in Hekou for May

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

Data source: Hekou 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 Hekou Compares to Other Months

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

This table compares monthly weather conditions in Hekou, 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 (30°F)	4 mm (0.2 inches)	42%	moderate
February Weather	1°C (35°F)	9 mm (0.3 inches)	49%	moderate
March Weather	9°C (48°F)	14 mm (0.5 inches)	57%	high
April Weather	15°C (59°F)	31 mm (1.2 inches)	71%	very high
May Weather	21°C (70°F)	34 mm (1.3 inches)	65%	very high
June Weather	26°C (78°F)	70 mm (2.8 inches)	66%	very high
July Weather	28°C (83°F)	147 mm (5.8 inches)	79%	very high
August Weather	27°C (81°F)	206 mm (8.1 inches)	75%	very high
September Weather	23°C (74°F)	64 mm (2.5 inches)	58%	very high
October Weather	15°C (60°F)	43 mm (1.7 inches)	67%	high
November Weather	9°C (48°F)	28 mm (1.1 inches)	77%	moderate
December Weather	1°C (34°F)	5 mm (0.2 inches)	62%	low