May Weather in Haicheng, China

Last updated: August 22, 2025

In May, the average temperature in Haicheng, China is a pleasant 26°C (79°F). However, temperatures can vary significantly, with a minimum of 15°C (60°F) and soaring to a maximum of 37°C (100°F). Expect some rain as well, with an average precipitation of 183 mm (7.2 in) over approximately 20 days. The air tends to be quite humid, with an average humidity level of 85%, making it essential to stay hydrated and comfortable during your stay.

May Temperature in Haicheng

In May in Haicheng, the average temperature is 26°C (79°F). Maximums can reach 37°C (100°F), and minimums can be as low as 15°C (60°F). It’s an ideal time to enjoy outdoor activities, but be sure to pack for both the heat and cooler evenings.

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

The chart illustrates May temperature patterns in Haicheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haicheng, May typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (100°F) and lows dropping to around 15°C (60°F).

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

May Precipitation in Haicheng

In Haicheng in May, the precipitation amount is 183 mm (7.2 in) during 20 days, indicating a relatively wet period.

May Precipitation Trends in Haicheng

The chart displays monthly precipitation patterns in Haicheng, 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 Haicheng, May typically receives around 183 mm (7.2 inches) of precipitation spread over approximately 20 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 Haicheng

In Haicheng in May, humidity is 85%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities feel stifling and exhausting for travelers.

May Average Humidity in Haicheng

This chart illustrates the average monthly humidity levels in Haicheng, 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 Haicheng 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 Haicheng

In Haicheng in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Haicheng.

Maximum UV Index Levels in Haicheng for May

The chart shows the monthly maximum UV Index (UVI) for Haicheng 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 Haicheng typically reaches 13, which falls under the extreme exposure category.

Data source: Haicheng 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 Haicheng Compares to Other Months

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

This table compares monthly weather conditions in Haicheng, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	24 mm (0.9 inches)	71%	high
February Weather	16°C (61°F)	49 mm (1.9 inches)	73%	very high
March Weather	20°C (68°F)	66 mm (2.6 inches)	79%	extreme
April Weather	22°C (72°F)	97 mm (3.8 inches)	80%	extreme
May Weather	26°C (79°F)	183 mm (7.2 inches)	85%	extreme
June Weather	28°C (82°F)	368 mm (14.5 inches)	81%	extreme
July Weather	28°C (83°F)	225 mm (8.9 inches)	85%	extreme
August Weather	28°C (83°F)	353 mm (13.9 inches)	83%	extreme
September Weather	28°C (82°F)	180 mm (7.1 inches)	71%	extreme
October Weather	24°C (76°F)	116 mm (4.6 inches)	70%	very high
November Weather	21°C (70°F)	30 mm (1.2 inches)	72%	very high
December Weather	17°C (63°F)	25 mm (1.0 inches)	75%	high