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Shanghai in August: Weather, Average temperature and Climate

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

Weather in Shanghai in August 2025

OK Weather
Hot
🌧️
Rainy
August could be a good time to visit Shanghai, as the weather is generally fine. The average high temperature is around +90°F, and there are typically 4 sunny days in August. However, expect about 17 rainy days, and total monthly rainfall of approximately 172 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • August is usually the hottest month of the year in Shanghai;

Average weather

☀️
+90°F
Avg. max. temperature
+68°F
Min.
+106°F
Max.
172 mm
Total precipitation
78%
Avg. humidity
3 m/s
Avg. wind
4 ☀️
Sunny Days
5 ⛅️
Cloudy
17 🌦
Rainy
Our opinion: Shanghai has OK weather in August.

Average temperature in Shanghai in August

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

The expected average maximum temperature in August is +91°F with a maximum of +99°F and a minimum of +68°F.

The average maximum temperature goes down 29% by the end of the month, compared with the beginning of the month, from +90°F to +81°F.

Is Shanghai warm or cold in August?

Shanghai is typically hot in August.

Maximum temperatures go up compared to the previous month from +90°F to +90°F. The minimum temperature also goes up from +79°F to +79°F.

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

August is the hottest month in Shanghai, here is the comparison with other months:

Climate in Shanghai in August

Shanghai weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+90°F+90°F+81°F
Min. temperature
+64°F+68°F+55°F
Max. temperature
+108°F+106°F+100°F
Rainfall
179 mm172 mm127 mm
Wind
3 m/s3 m/s3 m/s
Humidity
78%78%76%
Air pressure
1003 HPa1005 HPa1011 HPa
Sunny days
546
Cloudy days
557
Rainy days
161715
Snowy days
000

August weather is still as ok as in July. The temperature levels stay the same in the area of +90°F for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 179 mm to 172 mm. Humidity levels don’t change as the month goes on, averaging around 78%. The average wind speed doesn’t change much during August, staying around 3 m/s. The days becoming less sunny, going from 5 sunny days in July to 4 in August.

September brings much the same weather, it remains ok.

Wind

Wind speed in Shanghai in August based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Shanghai is gradually increasing during August, going from 3 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Shanghai based on historical data.
Last Year
Historical Data
Total precipitation in August is about 311 mm, with a 71% chance of rain on a typical day. The maximum amount of rainfall per day is around 63 mm, which is considered heavy rain. August is a pretty wet month with over 22 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
August is one of the rainiest months in Shanghai, here is a comparison with other months, total mm:
Shanghai wettest month is June, where a typical day has a 57% chance of precipitation and 262 mm of rainfall per day. December, on the other hand, is the driest month with a mere 23% chance of precipitation and 37 mm of rainfall per day.

How was the weather last August in Shanghai?

This is the weather in Shanghai in August 2023:
1 August
☁️
+89°F
2 August
☁️
+91°F
3 August
☁️
+90°F
4 August
☁️
+90°F
5 August
☀️
+93°F
6 August
☀️
+95°F
7 August
☁️
+98°F
8 August
☀️
+91°F
9 August
☁️
+92°F
10 August
☀️
+93°F
11 August
☀️
+95°F
12 August
☀️
+97°F
13 August
☀️
+95°F
14 August
☁️
+95°F
15 August
☀️
+90°F
16 August
☀️
+93°F
17 August
☀️
+88°F
18 August
☀️
+95°F
19 August
☀️
+91°F
20 August
☀️
+91°F
21 August
☀️
+95°F
22 August
🌧️
+90°F
23 August
☀️
+89°F
24 August
☀️
+91°F
25 August
☀️
+90°F
26 August
☀️
+90°F
27 August
☀️
+93°F
28 August
🌧️
+88°F
29 August
🌧️
+75°F
30 August
🌧️
+73°F
31 August
☀️
+81°F
In August 2023 Shanghai had 20 sunny days, 7 cloudy days, and 4 rainy days. The average maximum temperature was +91°F, with an absolute maximum of +99°F and a minimum of +73°F. The average humidity was 81%, with a maximum of 97% and a minimum of 57%. The average wind speed was 3 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

This is how Shanghai climate has changed over the last 43 years.

The climate in Shanghai in August has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+65°F) and the highest in 2016 (+72°F). The driest year was 2003 with only 716 mm of rainfall, and the wettest year was 2023 with 3129 mm.

FAQ

Frequently asked questions about the weather in Shanghai in August:

Is August a good time to visit Shanghai?

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

Can you sunbathe in Shanghai in August?

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

Is Shanghai rainy in August?

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

Is it sunny in Shanghai in August?

Usually, it’s not very sunny in Shanghai in August, 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 Shanghai

Source of the data

For this page, we’ve looked at the typical weather in Shanghai, 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.