Hainan Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Hainan, China in July.

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Sanya Haikou Qionghai Wenchang

Planning a journey to Hainan, China this July and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Hainan in July

Hainan, China is a region in China. The weather in Hainan in July can be quite varied, with very warm temperatures and heavy precipitation.

Temperatures

The average maximum temperatures are very warm and range from 31°C (88°F) in Lingshui to 34°C (93°F) in Danzhou. Nighttime temperatures generally drop to 25°C (77°F) in Danzhou and 27°C (81°F) in Lingshui. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

For a closer look at conditions across Hainan, China, refer to the map below.

Precipitation

In July, precipitation varies across different areas. From heavy rainfall in Haikou with an average of 174 mm (6.9 in) to heavy rainfall in Sanya with 286 mm (11 in). Going by our weather data, it is the wettest month of the year in Sanya.

Explore Hainan by month

Pick a month to see the average temperature, rainfall and sunshine in Hainan - and find the best time to visit. (based on Sanya)

January24°C (75°F) February25°C (77°F) March27°C (81°F) April29°C (84°F) May31°C (88°F) June31°C (88°F) July31°C (88°F) This monthAugust31°C (88°F) September30°C (86°F) October29°C (84°F) November28°C (82°F) December25°C (77°F)
Best Time to Visit Hainan →

Best Places to Visit in Hainan in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Hainan.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Hainan

What is the weather like in July for some of the most popular destinations in Hainan, China?

Temperature range in Hainan (July)

Precipitation variation in Hainan (July)

Sanya

In July Sanya generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

« June
July
August »
June
July
August
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
232 mm (9.1 in)
286 mm (11 in)
269 mm (11 in)
Monthly rainy days
14 days
12 days
17 days
Weather conditions
less favorable
less favorable
less favorable
Climate in Sanya →

Haikou

In July Haikou generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are good that month.

« June
July
August »
June
July
August
Max temperature
32°C (90°F)
32°C (90°F)
32°C (90°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
225 hours
250 hours
220 hours
Monthly rainfall
158 mm (6.2 in)
174 mm (6.9 in)
238 mm (9.4 in)
Monthly rainy days
17 days
15 days
18 days
Weather conditions
good
good
less favorable
Climate in Haikou →

Qionghai

In July Qionghai generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are mixed that month.

« June
July
August »
June
July
August
Max temperature
33°C (91°F)
33°C (91°F)
33°C (91°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
156 mm (6.1 in)
184 mm (7.2 in)
243 mm (9.6 in)
Monthly rainy days
16 days
13 days
19 days
Weather conditions
good
mixed
less favorable
Climate in Qionghai →

Wenchang

In July Wenchang generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

« June
July
August »
June
July
August
Max temperature
34°C (93°F)
34°C (93°F)
33°C (91°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
225 hours
250 hours
220 hours
Monthly rainfall
209 mm (8.2 in)
212 mm (8.3 in)
280 mm (11 in)
Monthly rainy days
17 days
15 days
19 days
Weather conditions
less favorable
less favorable
less favorable
Climate in Wenchang →

Wanning

In July Wanning generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are good that month.

« June
July
August »
June
July
August
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
140 mm (5.5 in)
177 mm (7 in)
195 mm (7.7 in)
Monthly rainy days
16 days
13 days
19 days
Weather conditions
good
good
mixed
Climate in Wanning →

Is your destination not in the list? Have a look at all destinations in Hainan, in China.

In our records: China July extremes

Notable July records observed across cities in China in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in China reached 45°C (113°F) in Nanchang on July 10, 1978.

Popular cities in July

Day & night temperatures, rainfall and average weather in Hainan in July.

City Weather Day temp Night temp Rainfall
Sanya 31°C (88°F) 27°C (81°F) 286 mm (11 in)
Haikou 32°C (90°F) 27°C (81°F) 174 mm (6.9 in)
Qionghai 33°C (91°F) 27°C (81°F) 184 mm (7.2 in)
Wenchang 34°C (93°F) 27°C (81°F) 212 mm (8.3 in)
Wanning 31°C (88°F) 27°C (81°F) 177 mm (7 in)
Danzhou 34°C (93°F) 25°C (77°F) 213 mm (8.4 in)

Hainan weather in July: frequently asked questions

What is the weather like in Hainan, China in July?

July in Hainan, China brings less favorable weather. In Sanya, daytime temperatures are typically around 31°C (88°F) and nighttime lows hover near 27°C (81°F).

What is the average temperature in Hainan, China in July?

Sanya averages a daytime maximum of 31°C (88°F) in July, with overnight lows close to 27°C (81°F).

Does Hainan, China get a lot of rain in July?

Rainfall in Hainan, China peaks during July. Sanya averages roughly 286 mm (11 in), so frequent and sometimes heavy showers are the norm.

Is July a Good Time to Visit Hainan, China?

In our opinion, July may not be the ideal time to visit Hainan, China due to the typically less favorable weather in Sanya.

On average, the best time to visit Hainan, China is in January, February, March, April, November and December with generally excellent weather in Sanya. On the other hand, the weather in June, July, August and September tend to be less favorable.

Interested in more climate information?

We have much more information about the climate in Hainan.

Weather and climate has detailed information for every country in the world. Are you going to China? Get detailed historical weather averages for many cities in China.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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