Which is the hottest month in Sanya?

The hottest time of year in Sanya is normally May. Expect maximum daytime temperatures to reach 32°C with very high heat and humidity.

Which month has the most rain in Sanya?

In terms of rainfall, September is usually the wettest month in Sanya with 275mm on average. There are normally 18 days in September with some rain.

When is it sunniest in Sanya?

The sunniest time of year in Sanya is normally May with bright sunshine on average for 53% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in Sanya?

The sea is usually at its warmest in Sanya in August when the water temperature reaches 29°C.

Best time to visit Sanya

Q: When is the best time to visit Sanya?

The best time to visit Sanya is November and December based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Find the best time to visit Sanya and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Sanya by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for China

Rentalcars.com: Discount car hire worldwide

Sale

Compare car hire prices to find best deal online
Book flexible bookings with free cancellation policy
No hidden fees + price match guarantee

Go to Rentalcars.com deal >>

View all Rentalcars.com offers

When is the best time to visit Sanya?

The best time to visit Sanya is November and December based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

3.5
Jan
3.5
Feb
3.5
Mar
3
Apr
2.5
May
2.5
Jun
3
Jul
2.5
Aug
2.5
Sep
3
Oct
4
Nov
4
Dec

Change criteria

Max Day Temperature (°C)

25
Jan
26
Feb
28
Mar
30
Apr
32
May
31
Jun
31
Jul
31
Aug
31
Sep
30
Oct
28
Nov
26
Dec

Hours of Sunshine (daily)

5
Jan
5
Feb
5
Mar
6
Apr
7
May
6
Jun
7
Jul
6
Aug
6
Sep
6
Oct
6
Nov
6
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for China (Sanya) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)