May Weather in Sihai, China

Last updated: August 22, 2025

In May, the average temperature in Sihai, China is a pleasant 19°C (66°F). However, be prepared for temperature fluctuations, with minimums dipping to 2°C (35°F) and maximums soaring up to 34°C (94°F). Expect an average precipitation of 29 mm (1.1 in) over approximately 5 days; meanwhile, the average humidity hovers around 56%.

May Temperature in Sihai

In May in Sihai, the average temperature is 19°C (66°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 2°C (35°F). Travelers should pack for a wide range of temperatures, from warm days to chilly nights.

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

The chart illustrates May temperature patterns in Sihai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sihai, May typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (35°F).

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

May Precipitation in Sihai

In Sihai in May, the total precipitation amount is 29 mm (1.1 in) recorded over a span of 5 days.

May Precipitation Trends in Sihai

The chart displays monthly precipitation patterns in Sihai, 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 Sihai, May typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 5 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 Sihai

In Sihai in May humidity is 56%. With an average temperature of 19°C (66°F), this humidity feels like a comfortable blanket wrapping around you, making it pleasant for traveling and exploring, as long as you're prepared for a slight stickiness in the air.

May Average Humidity in Sihai

This chart illustrates the average monthly humidity levels in Sihai, 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 Sihai is approximately 56%, 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 Sihai

In Sihai 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 Sihai.

Maximum UV Index Levels in Sihai for May

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

Data source: Sihai 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 Sihai Compares to Other Months

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

This table compares monthly weather conditions in Sihai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	2 mm (0.1 inches)	65%	low
February Weather	-3°C (27°F)	8 mm (0.3 inches)	59%	moderate
March Weather	5°C (42°F)	19 mm (0.7 inches)	52%	moderate
April Weather	12°C (55°F)	22 mm (0.9 inches)	56%	very high
May Weather	19°C (66°F)	29 mm (1.1 inches)	56%	very high
June Weather	23°C (74°F)	63 mm (2.5 inches)	68%	very high
July Weather	25°C (77°F)	262 mm (10.3 inches)	78%	very high
August Weather	24°C (75°F)	197 mm (7.8 inches)	83%	very high
September Weather	19°C (67°F)	75 mm (2.9 inches)	74%	very high
October Weather	10°C (51°F)	37 mm (1.5 inches)	74%	high
November Weather	2°C (37°F)	18 mm (0.7 inches)	58%	moderate
December Weather	-5°C (24°F)	3 mm (0.1 inches)	60%	low