World Resorts China Sanya Weather

Sanya weather in May

Weather in Sanya: May

Average day temperature: 88.4°F
Average night temperature: 78.5°F
Sea water temperature: 83.7°F
Number of sunny days: 11 days
Day length: 12.8 - 13.1 hours
Number of rainy days: 4 days
Precipitation totals: 2.4 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 89°F. At the same time the lowest night temperature was 71°F. Daily and nightly averages during May were 86.8°F and 78.3°F.

Sea water temperature in Sanya in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 84.0°F. The highest and lowest sea temperatures during the month were 85.3°F and 81.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Sanya in May is 2.2 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 6.1 mph It makes May one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 6.6.

Best time for vacation in Sanya

Sunniest months:
January 12 days
November 12 days
December 12 days
Warmest months:
June 89.2 °F
July 88.9 °F
August 88.9 °F
Warmest sea temp:
June 85.1 °F
September 84.8 °F
July 84.7 °F
Coldest months:
January 76.1 °F
December 77.5 °F
February 77.6 °F
Rainiest months:
July 8 days
September 8 days
August 7 days
Windiest months:
January 8.4 mph
December 8.3 mph
November 8.1 mph

Sanya on a weather map

Sanya
+77°F
W 14 mph
Feels like: +79°F
Precip.: 100%
Places in China:
Name
°F
+41°F
+43°F
+68°F
+75°F
+77°F
+43°F
+70°F
+41°F
+77°F
+72°F
+70°F
+45°F
+57°F
+72°F
+77°F
24 Hours Forecast
Sanya
Local time: 15:44
December 05, friday
1800
73°F
W
14 mph
2100
72°F
SW
9 mph
December 06, saturday
0000
72°F
SW
10 mph
0300
70°F
SW
9 mph
0600
70°F
SW
11 mph
0900
73°F
SW
9 mph
1200
77°F
W
12 mph
1500
77°F
W
12 mph
Units of measurement: °C / °F