May Weather in Xihai, China

Last updated: August 22, 2025

In Xihai, China, the average temperature in May hovers around 5°C (41°F). Expect a chilly minimum of -18°C (0°F) and a pleasant maximum reaching 20°C (69°F). With an average humidity of 71% and a precipitation amount of 64 mm (2.5 in) during 11 days, you may want to keep an umbrella handy while enjoying the crisp air!

May Temperature in Xihai

In May in Xihai, the average temperature is 5°C (41°F). Maximums can reach 20°C (69°F), while minimums can drop as low as -18°C (0°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates May temperature patterns in Xihai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xihai, May typically has an average temperature of 5°C (41°F), with highs reaching up to 20°C (69°F) and lows dropping to around -18°C (0°F).

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

May Precipitation in Xihai

In Xihai in May, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

May Precipitation Trends in Xihai

The chart displays monthly precipitation patterns in Xihai, 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 Xihai, May typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 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 Xihai

In Xihai in May, humidity is 71%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm while exploring.

May Average Humidity in Xihai

This chart illustrates the average monthly humidity levels in Xihai, 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 Xihai is approximately 71%, 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 Xihai

In Xihai in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Xihai, you can check here.

Maximum UV Index Levels in Xihai for May

The chart shows the monthly maximum UV Index (UVI) for Xihai 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 Xihai typically reaches 14, which falls under the extreme exposure category.

Data source: Xihai 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 Xihai Compares to Other Months

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

This table compares monthly weather conditions in Xihai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (8°F)	6 mm (0.2 inches)	74%	moderate
February Weather	-10°C (14°F)	7 mm (0.3 inches)	80%	high
March Weather	-4°C (26°F)	19 mm (0.7 inches)	81%	very high
April Weather	1°C (34°F)	49 mm (1.9 inches)	78%	extreme
May Weather	5°C (41°F)	64 mm (2.5 inches)	71%	extreme
June Weather	9°C (48°F)	105 mm (4.1 inches)	77%	extreme
July Weather	11°C (52°F)	115 mm (4.5 inches)	77%	extreme
August Weather	10°C (51°F)	137 mm (5.4 inches)	82%	extreme
September Weather	7°C (44°F)	93 mm (3.7 inches)	82%	extreme
October Weather	0°C (32°F)	47 mm (1.8 inches)	85%	very high
November Weather	-7°C (20°F)	13 mm (0.5 inches)	79%	high
December Weather	-13°C (9°F)	5 mm (0.2 inches)	71%	moderate