Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Weather Guide
Sanya, Hainan, China Average Monthly Weather
Weather score65Good annual avg
Best months: March, November, December
Across the year, average daytime temperatures are around 29°C, sunshine averages 5.9h per day, and rainfall totals about 1454mm. Sea temperatures average 27°C across the year.
Annual weather
Annual averages
Temp
29°C
Rain
1454mm
Annual total
Sun
5.9h
Sea
27°C
Weather score
65
Good avg
Seasonal climate calendar
Trip feel
Showers
Rainfall averages 86mm, so some wet days are possible.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Sanya, Hainan, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
November28°C average high
November is close to Sanya's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsApril to September
This stretch sets the upper range for average daytime heat.
Rain
November86mm average rain
November sits on the drier side of Sanya's year, which helps with sightseeing and transfers.
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
November5.7 hours average sun
November sits close to Sanya's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to July and September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
November27°C average sea
November is close to Sanya's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaMay to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
November74 weather score
November is one of Sanya's best weather-score months, combining the strongest overall balance in the yearly averages.
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