Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
May verdict
Sanya, Hainan, China in May
Weather score64Good
Good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 127mm, so some wet days are possible.
May weather
Monthly averages
Temp
32°C
Rain
127mm
Sun
6.9h
Sea
28°C
Weather score
64
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 127mm, so some wet days are possible.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Sanya, Hainan, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May32°C average high
May is one of Sanya's warmest months, with daytime heat above the yearly average.
Warmest monthsApril to September
This stretch sets the upper range for average daytime heat.
Rain
May127mm average rain
May sits near Sanya's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.9 hours average sun
May is one of Sanya's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to July and September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May28°C average sea
May sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaMay to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
May64 weather score
May sits close to Sanya's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April and November to December
These months have the strongest weather score in the monthly averages.
Hotels in Sanya, Hainan, China
Marriott
View all
The Ritz-Carlton, Sanya Yalong BaySanya, Hainan, China
The St. Regis Sanya Yalong Bay ResortSanya, Hainan, China
JW Marriott Hotel Sanya Dadonghai BaySanya, Hainan, China
JW Marriott Sanya Haitang Bay Resort & SpaSanya, Hainan, China
The Sanya EDITIONSanya, Hainan, China
Sanya Marriott Yalong Bay Resort & SpaSanya, Hainan, China