Swimming in Hainan island (Haikou) in may 2026: Average sea temperature in may and tide times in may 2026
Average sea temperature in Hainan island (Haikou) in may 2026.
In may, according to seasonal norms, the sea temperature in Hainan island (Haikou) is:
Minimum: 77°F
Average: 82°F
Maximum: 86°F
Other useful seasonal weather averages in may:
- Outside temperature: 82°F to 90°F
- Most common weather: "Clear/Sunny"
- The wind blows at 17.4mph
- It rains a total of 8in, over 11 day(s).
Should we swim in Hainan island (Haikou) in may?
Yes! The water temperature in Hainan island (Haikou) in may is ideal
In may, swimming is ideal on the beaches around Hainan island (Haikou)! With water reaching 86°F at most and 82°F on average, spending time in the water is very pleasant.
Note also that in may, the climate is good with an average outside temperature of 86°F, 7.9in of precipitation (over 11 days) and 83.41 % humidity.
Water and normal seasonal temperatures in Hainan island (Haikou) in may
| May | |||
| Average sea temperature | 82°F | ||
| Minimum sea temperature | 77°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 90°F | ||
| Minimum outside temperature | 83°F | ||
| Wind speed | 9.9mph | ||
| Wind temperature | 83°F | ||
| Precipitation | 8in | ||
| Number of days of rain | 11 jour(s) (35%) | ||
| Humidity | 84% | ||
| Visibility in kilometers | 9.3km | ||
| Cloud cover | 31% | ||
| Our opinion | ideal swimming |
Chart of the tides in may 2026
Tide times in may 2026 in Hainan island (Haikou)
Swim elsewhere in China in may
| City | Average T° | Min. T° | Max. T° | Our opinion | Shanghai in may | 67°F | 73°F | cool swimming | Dalian in may | 53°F | 61°F | freezing swimming | Qingdao in may | 58°F | 65°F | freezing swimming | Wenzhou in may | 72°F | 78°F | pleasant swimming | Hainan in may | 82°F | 86°F | ideal swimming | Hangzhou in may | 67°F | 72°F | cool swimming | Macao in may | 81°F | 85°F | ideal swimming | Sanya in may | 85°F | 86°F | ideal swimming | Shenzhen in may | 80°F | 84°F | ideal swimming | Xiamen in may | 76°F | 79°F | pleasant swimming |