May Weather in Haicheng, China

Last updated: August 22, 2025

In Haicheng, China during May, the average temperature hovers around 18°C (65°F). Daily highs can reach up to 34°C (94°F), while the mercury may drop as low as 4°C (39°F). Expect approximately 66 mm (2.6 in) of precipitation spread over 7 days, accompanied by an average humidity level of 70%.

May Temperature in Haicheng

In May in Haicheng, the average temperature is 18°C (65°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 4°C (39°F). This makes it an ideal time for travelers looking to enjoy mild weather while exploring beautiful sights.

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 18°C (65°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (39°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 66 mm (2.6 in) over a period of 7 days.

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 66 mm (2.6 inches) of precipitation spread over approximately 7 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 70%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it quite comfortable for traveling, though it can leave you feeling slightly sticky if you're on the move for too long.

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 70%, 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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high 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	-8°C (18°F)	5 mm (0.2 inches)	58%	low
February Weather	-4°C (24°F)	9 mm (0.4 inches)	52%	moderate
March Weather	4°C (40°F)	16 mm (0.6 inches)	53%	high
April Weather	12°C (54°F)	26 mm (1.0 inches)	59%	high
May Weather	18°C (65°F)	66 mm (2.6 inches)	70%	very high
June Weather	23°C (73°F)	71 mm (2.8 inches)	79%	very high
July Weather	26°C (79°F)	85 mm (3.4 inches)	85%	extreme
August Weather	25°C (77°F)	185 mm (7.3 inches)	86%	very high
September Weather	20°C (68°F)	93 mm (3.7 inches)	75%	high
October Weather	11°C (53°F)	52 mm (2.1 inches)	80%	high
November Weather	3°C (38°F)	35 mm (1.4 inches)	70%	moderate
December Weather	-5°C (23°F)	8 mm (0.3 inches)	58%	low