May weather forecastWenzhou, China
May
Weather in May
May marks the transition of the Wenzhou climate from spring to summer, bringing with it the heat and humidity associated with this time of the year. A significant rise in the average sea temperature to 22.3°C (72.1°F) makes it a favorable time for water-related activities. Residents and visitors are treated to longer days with the highest average daylight hours so far in the year. However, the increased temperature combines with high precipitation, leading to humid conditions. By the end of May, Wenzhou fully embraces the summer season.Temperature
The transition from April to May brings a subtle temperature rise, with average high-temperatures increasing from a pleasant 20.6°C (69.1°F) to a warm 24.7°C (76.5°F). Wenzhou anticipates an average minimum temperature of 18°C (64.4°F) in the month of May.Humidity
In Wenzhou, the average relative humidity in May is 84%.Rainfall
In Wenzhou, during May, the rain falls for 18.4 days and regularly aggregates up to 203mm (7.99") of precipitation. Throughout the year, in Wenzhou, there are 174.7 rainfall days, and 1742mm (68.58") of precipitation is accumulated.Sea temperature
In Wenzhou, the average seawater temperature in May is 22.3°C (72.1°F).Note: When thinking about a swim in 22.3°C (72.1°F) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
In May, the average length of the day is 13h and 32min.On the first day of the month, sunrise is at 05:17 and sunset at 18:31. On the last day of May, sunrise is at 05:01 and sunset at 18:48 CST.
Sunshine
In May, the average sunshine in Wenzhou, China, is 3.9h.UV index
In May, the average daily maximum UV index is 11. A UV Index estimate of 11, and higher, represents an extreme threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 11 in May leads to these recommendations:
Practice every precaution of necessity, unprotected skin and eyes might burn in minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Protect your skin by minimizing time under direct sun, especially if you’re prone to burns. Always wear sunscreen of 30 SPF or higher. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wenzhou, China
- Average high temperature in May: 24.7°C
The warmest month (with the highest average high temperature) is July (32.2°C).
The month with the lowest average high temperature is January (12.2°C).
- Average low temperature in May: 18°C
The months with the highest average low temperature are July and August (25°C).
The coldest month (with the lowest average low temperature) is January (5°C).
Average humidity in May
Wenzhou, China
- Average humidity in May: 84%
The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is December (72%).
Average rainfall in May
Wenzhou, China
- Average rainfall in May: 203.4mm
The wettest month (with the highest rainfall) is August (250.1mm).
The driest month (with the least rainfall) is December (42.6mm).
Average rainfall days in May
Wenzhou, China
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is March (19 days).
The month with the least rainy days is December (8.1 days).
Average sea temperature in May
Wenzhou, China
- Average sea temperature in May: 22.3°C
The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is March (12.3°C).
Average daylight in May /
Average sunshine in May
Wenzhou, China
- Average daylight in May: 13h and 30min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in May: 3h and 54min
The months with the most sunshine are July and August (Average sunshine: 6h and 54min).
The month with the least sunshine is March (Average sunshine: 3h and 6min).
Average UV index in May
Wenzhou, China
- Average UV index in May: 11
The months with the highest UV index are June, July and August (UV index 12).
The months with the lowest UV index are January and December (UV index 5).





