Swim in Hainan island (Haikou) in march 2025What is the temperature of the sea in in march?
Average sea temperature in Hainan island (Haikou) in march 2025.
In march, according to seasonal norms, the sea temperature in Hainan island (Haikou) is:
Minimum: 64°F
Average: 69°F
Maximum: 74°F
Other useful seasonal weather averages in march:
- Outside temperature: 72°F to 79°F
- Most common weather: "Partly Cloudy"
- The wind blows at 13.7mph
- It rains a total of 2.2in, over 3 day(s).
Should we swim in Hainan island (Haikou) in march?
Yes... and no. The water temperature in Hainan island (Haikou) in march is cool
Swimming in march on the beaches of Hainan island (Haikou) is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 74°F, it can also be as low as 64°F! Note that the average is 69°F.
Note also that in march, the climate is good with an average outside temperature of 76°F, 2.2in of precipitation (over 3 days) and 86.65 % humidity.
Water and normal seasonal temperatures in Hainan island (Haikou) in march
| March | |||
| Average sea temperature | 69°F | ||
| Minimum sea temperature | 64°F | ||
| Maximum sea temperature | 74°F | ||
| Average outside temperature | 76°F | ||
| Maximum outside temperature | 81°F | ||
| Minimum outside temperature | 72°F | ||
| Wind speed | 12.4mph | ||
| Wind temperature | 72°F | ||
| Precipitation | 2.2in | ||
| Number of days of rain | 3 jour(s) (8%) | ||
| Humidity | 87% | ||
| Visibility in kilometers | 9.08km | ||
| Cloud cover | 50% | ||
| Our opinion | cool swimming |
Swim elsewhere in China in march
| City | Average T° | Min. T° | Max. T° | Our opinion | Shanghai in march | 47°F | 54°F | freezing swimming | Dalian in march | 38°F | 43°F | freezing swimming | Qingdao in march | 42°F | 48°F | freezing swimming | Wenzhou in march | 55°F | 60°F | freezing swimming | Hainan in march | 71°F | 75°F | pleasant swimming | Hangzhou in march | 50°F | 55°F | freezing swimming | Macao in march | 68°F | 71°F | cool swimming | Sanya in march | 74°F | 78°F | pleasant swimming | Shenzhen in march | 68°F | 72°F | cool swimming | Xiamen in march | 61°F | 65°F | cold swimming |