Measurements:
°C
°F
Hainan
94°F
SE 5 mph
Feels like: 102°F
Precip: 17%
World Resorts China Hainan Weather

7 Day Weather Forecast

07.26
sun
DAY
92°F
SE 4 mph
precip
3%
NIGHT
78°F
N 4 mph
precip
12%
07.27
mon
DAY
96°F
W 2 mph
precip
3%
NIGHT
80°F
N 4 mph
precip
15%
07.28
tue
DAY
94°F
SW 5 mph
precip
41%
NIGHT
78°F
NW 4 mph
precip
21%
07.29
wed
DAY
90°F
SE 1 mph
precip
57%
NIGHT
76°F
N 4 mph
precip
18%
07.30
thu
DAY
92°F
NW 1 mph
precip
24%
NIGHT
78°F
N 4 mph
precip
24%
07.31
fri
DAY
88°F
NE 2 mph
precip
57%
NIGHT
78°F
N 4 mph
precip
27%
08.01
sat
DAY
88°F
N 2 mph
precip
63%
NIGHT
78°F
N 4 mph
precip
27%

Hainan Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Hainan was 30.3°F. The maximum and minimum values were 29.7°F and 31.2°F respectively.

Hainan on the Weather Map

Best Time to Visit Hainan
The most sunny months:
June 12 days
April 12 days
March 11 days
The most warm months:
June 94.5 °F
May 93.2 °F
July 93.2 °F
Warmest sea temperature:
July 90.7 °F
June 90.5 °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:
April 4 mph
March 4 mph
October 4 mph