Measurements:
°C
°F
Hainan
68°F
W 11 mph
Feels like: 68°F
Precip: 100%
World Resorts China Hainan Weather

7 Day Weather Forecast

03.13
fri
DAY
70°F
W 12 mph
precip
100%
NIGHT
62°F
NW 5 mph
precip
0%
03.14
sat
DAY
78°F
W 11 mph
precip
100%
NIGHT
64°F
NW 4 mph
precip
0%
03.15
sun
DAY
80°F
W 9 mph
precip
82%
NIGHT
64°F
NW 4 mph
precip
0%
03.16
mon
DAY
80°F
W 9 mph
precip
69%
NIGHT
64°F
NW 4 mph
precip
0%
03.17
tue
DAY
86°F
NW 7 mph
precip
63%
NIGHT
68°F
NW 3 mph
precip
0%
03.18
wed
DAY
88°F
W 4 mph
precip
0%
NIGHT
70°F
N 2 mph
precip
0%
03.19
thu
DAY
92°F
W 3 mph
precip
0%
NIGHT
72°F
N 4 mph
precip
0%

Hainan Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Hainan was 23.0°F. The maximum and minimum values were 21.2°F and 23.8°F respectively.

Hainan on the Weather Map

Best Time to Visit Hainan
The most sunny months:
June 12 days
May 11 days
April 11 days
The most warm months:
June 94.3 °F
May 93.3 °F
July 93.2 °F
Warmest sea temperature:
July 90.7 °F
June 90.4 °F
August 90.3 °F
The most cold months:
December 71.7 °F
January 72.3 °F
February 77.5 °F
The most rainy months:
September 15 days
August 14 days
July 14 days
The most windy months:
March 4 mph
April 4 mph
October 4 mph