May weather forecastChenghai, China
May
Weather in May
The ideal sea water temperature of 25.5°C (77.9°F) makes May in Chenghai, China, the best time for swimming and other water activities.Sea temperature
In Chenghai, in May, the average water temperature is 25.5°C (77.9°F).Note: For activities such as swimming and diving, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.
Daylight
In May, the average length of the day is 13h and 16min.On the first day of May, sunrise is at 05:39 and sunset at 18:41. On the last day of the month, sunrise is at 05:26 and sunset at 18:55 CST.
Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Chenghai, in May, the average water temperature is 25.5°C (77.9°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
In Chenghai, China, the average day length in May is 13h and 16min.
On the first day of May in Chenghai, China, sunrise is at 05:39 and sunset at 18:41. On the last day of the month, sunrise is at 05:26 and sunset at 18:55 CST.
Average sea temperature in May
Chenghai, China
- Average sea temperature in May: 25.5°C
The best month for swimming (with the highest average sea temperature) is July (28°C).
The coldest month (with the lowest average sea temperature) is January (17.9°C).
Average daylight in May
Chenghai, China
- Average daylight in May: 13h and 18min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).





