May Weather in Haishiwan, China

Last updated: August 23, 2025

In May, the average temperature in Haishiwan, China is a mild 12°C (54°F), with minimums dipping to -1°C (30°F) and soaring to a maximum of 29°C (84°F). Visitors should prepare for 78 mm (3.1 in) of precipitation over approximately 11 days, while enjoying an average humidity of 59%.

May Temperature in Haishiwan

In May in Haishiwan, the average temperature is 12°C (54°F). Maximum temperatures can reach 29°C (84°F), while minimum temperatures can drop as low as -1°C (30°F). This variation makes it ideal for travelers to pack a range of clothing to accommodate both warm days and chilly nights.

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

The chart illustrates May temperature patterns in Haishiwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haishiwan, May typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (30°F).

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

May Precipitation in Haishiwan

In Haishiwan in May, the precipitation amount is 78 mm (3.1 in) over the course of 11 days.

May Precipitation Trends in Haishiwan

The chart displays monthly precipitation patterns in Haishiwan, 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 Haishiwan, May typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Haishiwan

In Haishiwan in May, humidity is 59%. With an average temperature of 12°C (54°F), this humidity feels like a cool, refreshing breeze that slightly chills the air while adding a layer of moisture, making it ideal for leisurely exploration but possibly requiring a light jacket for comfort during outdoor activities.

May Average Humidity in Haishiwan

This chart illustrates the average monthly humidity levels in Haishiwan, 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 Haishiwan is approximately 59%, 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 Haishiwan

In Haishiwan in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Haishiwan.

Maximum UV Index Levels in Haishiwan for May

The chart shows the monthly maximum UV Index (UVI) for Haishiwan 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 Haishiwan typically reaches 12, which falls under the extreme exposure category.

Data source: Haishiwan 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 Haishiwan Compares to Other Months

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

This table compares monthly weather conditions in Haishiwan, 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 (17°F)	7 mm (0.3 inches)	69%	moderate
February Weather	-5°C (24°F)	8 mm (0.3 inches)	73%	moderate
March Weather	3°C (37°F)	18 mm (0.7 inches)	73%	very high
April Weather	8°C (46°F)	58 mm (2.3 inches)	74%	very high
May Weather	12°C (54°F)	78 mm (3.1 inches)	59%	extreme
June Weather	16°C (61°F)	74 mm (2.9 inches)	69%	extreme
July Weather	19°C (66°F)	95 mm (3.7 inches)	65%	extreme
August Weather	17°C (63°F)	123 mm (4.8 inches)	68%	extreme
September Weather	13°C (55°F)	96 mm (3.8 inches)	76%	very high
October Weather	6°C (44°F)	49 mm (1.9 inches)	81%	very high
November Weather	-1°C (30°F)	15 mm (0.6 inches)	75%	moderate
December Weather	-8°C (19°F)	6 mm (0.2 inches)	67%	moderate