Measurements:
°C
°F
CURRENT WEATHER
05:38
Hainan
76°F
SW 1 mph
Feels like: 80°F
Precip: 100%
World Resorts China Hainan Weather

7 Day Weather Forecast

04.24
fri
DAY
84°F
S 4 mph
precip
100%
NIGHT
74°F
NW 2 mph
precip
100%
04.25
sat
DAY
88°F
NW 4 mph
precip
100%
NIGHT
74°F
NW 4 mph
precip
0%
04.26
sun
DAY
90°F
W 4 mph
precip
100%
NIGHT
74°F
NW 4 mph
precip
0%
04.27
mon
DAY
94°F
NW 6 mph
precip
0%
NIGHT
74°F
N 4 mph
precip
0%
04.28
tue
DAY
94°F
S 4 mph
precip
0%
NIGHT
76°F
SE 1 mph
precip
100%
04.29
wed
DAY
86°F
SE 5 mph
precip
100%
NIGHT
76°F
W 2 mph
precip
0%
04.30
thu
DAY
88°F
NW 2 mph
precip
100%
NIGHT
76°F
NW 3 mph
precip
0%

Hainan Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Hainan was 28.2°F. The maximum and minimum values were 27.1°F and 29.2°F respectively.

Hainan on the Weather Map

Best Time to Visit Hainan
The most sunny months:
June 12 days
March 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
more details