May weather forecast
Wenzhou, China

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.