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Haikou in July: Weather, Average temperature and Climate

Discover the weather for Haikou in July and if it’s a good time to travel (based on historical data).
Check flight prices to Haikou on Avionero:
July

Weather in Haikou in July 2026

OK Weather
Hot
🌧️
Rainy
July could be a good time to visit Haikou, as the weather is generally fine. The average high temperature is around +32°C, and there are typically 2 sunny days in July. However, expect about 22 rainy days, and total monthly rainfall of approximately 163 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • July is usually the hottest month of the year in Haikou;

Average weather

☀️
+32°C
Avg. max. temperature
+22°C
Min.
+37°C
Max.
163 mm
Total precipitation
82%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
5 ⛅️
Cloudy
22 🌦
Rainy
Our opinion: Haikou has OK weather in July.

Average temperature in Haikou in July

Here are the expected maximum, average and minimum temperatures in Haikou for July based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in July is +32°C with a maximum of +34°C and a minimum of +27°C.

The average maximum temperature goes down 29% by the end of the month, compared with the beginning of the month, from +33°C to +31°C.

Is Haikou warm or cold in July?

Haikou is typically hot in July.

Maximum temperatures go up compared to the previous month from +31°C to +32°C. The minimum temperature also goes up from +27°C to +27°C.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

July is the hottest month in Haikou, here is the comparison with other months:

Climate in Haikou in July

Haikou weather looks like this, on average, in July and the surrounding months.
JuneJulyAugust
Avg. temperature
+31°C+32°C+31°C
Min. temperature
+22°C+22°C+23°C
Max. temperature
+37°C+37°C+35°C
Rainfall
143 mm163 mm213 mm
Wind
2 m/s3 m/s2 m/s
Humidity
83%82%83%
Air pressure
1003 HPa1003 HPa1003 HPa
Sunny days
121
Cloudy days
554
Rainy days
222224
Snowy days
000

July weather is still as ok as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +31°C to +32°C during the day. Prepare for more rain. Average rainfall goes from 143 mm to 163 mm. It feels drier, as humidity decreases from 83% to 82%. Winds are stronger in comparison to June, going up from 2 m/s to 3 m/s on average. The good news is there are likely to be more sunny days in July, from 1 to 2.

August brings much the same weather, it remains ok.

Wind

Wind speed in Haikou in July based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Haikou is gradually decreasing during July, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during July in Haikou based on historical data.
Last Year
Historical Data
Total precipitation in July is about 222 mm, with a 55% chance of rain on a typical day. The maximum amount of rainfall per day is around 83 mm, which is considered heavy rain. July is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how July is compared with other months in the amount of precipitation, total mm:
Haikou wettest month is September, where a typical day has a 80% chance of precipitation and 215 mm of rainfall per day. January, on the other hand, is the driest month with a mere 39% chance of precipitation and 28 mm of rainfall per day.

How was the weather last July in Haikou?

This is the weather in Haikou in July 2024:
1 July
☁️
+33°C
2 July
☁️
+32°C
3 July
🌧️
+30°C
4 July
☀️
+32°C
5 July
☀️
+33°C
6 July
☀️
+34°C
7 July
☀️
+34°C
8 July
☀️
+34°C
9 July
☀️
+34°C
10 July
☀️
+34°C
11 July
☀️
+34°C
12 July
☀️
+34°C
13 July
☁️
+34°C
14 July
☁️
+34°C
15 July
☁️
+33°C
16 July
🌧️
+29°C
17 July
🌧️
+29°C
18 July
☁️
+31°C
19 July
🌧️
+31°C
20 July
🌧️
+31°C
21 July
☁️
+31°C
22 July
☀️
+32°C
23 July
☁️
+31°C
24 July
☁️
+31°C
25 July
☁️
+32°C
26 July
☁️
+32°C
27 July
☁️
+32°C
28 July
☁️
+33°C
29 July
☁️
+33°C
30 July
☁️
+32°C
31 July
☁️
+31°C
In July 2024 Haikou had 10 sunny days, 16 cloudy days, and 5 rainy days. The average maximum temperature was +32°C, with an absolute maximum of +34°C and a minimum of +29°C. The average humidity was 81%, with a maximum of 93% and a minimum of 58%. The average wind speed was 4 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in July?

Climate Change over Years

This is how Haikou climate have been changing during last 43 years period.

The climate in Haikou in July has not changed much over the last 43 years.

The average temperature was the lowest in 1984 (+25°C) and the highest in 2019 (+28°C). The driest year was 1991 with only 799 mm of rainfall, and the wettest year was 1982 with 1827 mm.

FAQ

Frequently asked questions about the weather in Haikou in July:

Is July a good time to visit Haikou?

It’s always a good time to visit Haikou, but the weather is changeable in July, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Haikou in July?

Absolutely, July is hot in Haikou. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Haikou rainy in July?

Haikou is often rainy in July. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Haikou in July?

Usually, it’s not very sunny in Haikou in July, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in China

Check out the weather for other cities in China.

Monthly weather in Haikou

Source of the data

For this page, we’ve looked at the typical weather in Haikou, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.