Climate guide for Sanya, China

Best Time to Visit
Sanya

How to read the score (0–10)
05810
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Travel Tips

Plan ahead for Sanya
Check local weather forecasts and seasonal crowd levels before traveling to Sanya.

Things to do in Sanya

Sanya, China. Live activities and tours from GetYourGuide, matched to this destination.

Frequently asked

When is the best time to visit Sanya, China?
The best months to visit Sanya are March, April, October, November. March is the single peak month with a climate score of 9.2/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Sanya year-round?
Sanya has a beach and coastal climate profile. Average monthly temperatures range from 20°C in January to 38°C in July, with climate scores between 4.5 and 9.2 out of 10.
Which months should I avoid in Sanya?
The lowest-scoring months in Sanya are May (4.5/10), June (4.5/10), July (4.5/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Sanya?
May is the wettest month in Sanya, averaging about 220 mm of rainfall. January is the driest, at roughly 25 mm.
Which is the sunniest month in Sanya?
January sees the most sun in Sanya, with about 23 sunny days on average - ideal for outdoor plans.
Is Sanya good for beach and coastal travel?
Sanya is profiled as a beach and coastal destination in China. Its highest-scoring window (March, April, October, November) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Sanya calculated?
Each month is rated 0-10 using ERA5 climate normals for Sanya: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for a beach and coastal trip.

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