Measurements:
°C
°F
Sanya
72°F
SW 7 mph
Feels like: 72°F
Precip: 0%
World Resorts China Sanya Weather

7 Day Weather Forecast

12.17
wed
DAY
84°F
W 10 mph
precip
0%
NIGHT
70°F
SW 7 mph
precip
0%
12.18
thu
DAY
82°F
W 9 mph
precip
0%
NIGHT
72°F
S 3 mph
precip
0%
12.19
fri
DAY
82°F
NW 4 mph
precip
0%
NIGHT
70°F
SW 4 mph
precip
0%
12.20
sat
DAY
84°F
NW 2 mph
precip
100%
NIGHT
72°F
SW 5 mph
precip
43%
12.21
sun
DAY
84°F
W 7 mph
precip
0%
NIGHT
74°F
SW 6 mph
precip
0%
12.22
mon
DAY
80°F
W 12 mph
precip
23%
NIGHT
72°F
SW 10 mph
precip
0%
12.23
tue
DAY
82°F
W 10 mph
precip
24%
NIGHT
72°F
SW 7 mph
precip
100%

Sanya Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Sanya was 25.3°F. The maximum and minimum values were 24.9°F and 25.8°F respectively.

Sanya on the Weather Map

Best Time to Visit Sanya
The most sunny months:
January 12 days
November 12 days
December 12 days
The most warm months:
June 93.6 °F
July 93.3 °F
August 93.2 °F
Warmest sea temperature:
June 89.1 °F
September 88.6 °F
July 88.5 °F
The most cold months:
January 79.0 °F
December 80.6 °F
February 80.7 °F
The most rainy months:
July 8 days
September 8 days
August 7 days
The most windy months:
January 8 mph
December 8 mph
November 8 mph