Mild
Average highs are around 25°C, so days are mild rather than hot.
January verdict
Sanya, Hainan, China in January
Weather score68Good
Good for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 13mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
25°C
Rain
13mm
Sun
5.1h
Sea
23°C
Weather score
68
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 13mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°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
January25°C average high
January is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsApril to September
This stretch sets the upper range for average daytime heat.
Rain
January13mm average rain
January is one of Sanya's driest months, making outdoor days easier to plan than in wetter parts of the year.
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
January5.1 hours average sun
January is below Sanya's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay to July and September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January23°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaMay to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
January68 weather score
January scores above Sanya's yearly average, so the overall weather mix is stronger than most months.
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
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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