Weather in Shanghai in August 2025
- August is usually the hottest month of the year in Shanghai;
Average weather
Average temperature in Shanghai in August
Going from a maximum of +37°C during the day to a minimum of +20°C during the night, the temperature in August averages around +33°C.
The average maximum temperature goes down 29% by the end of the month, compared with the beginning of the month, from +32°C to +27°C.
Is Shanghai warm or cold in August?
Shanghai is typically hot in August.
Maximum temperatures go up compared to the previous month from +32°C to +32°C. The minimum temperature also goes up from +26°C to +26°C.
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
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +32°C | +32°C | +27°C | ||||
| Min. temperature | ||||||
| +18°C | +20°C | +13°C | ||||
| Max. temperature | ||||||
| +42°C | +41°C | +38°C | ||||
| Rainfall | ||||||
| 179 mm | 172 mm | 127 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 78% | 78% | 76% | ||||
| Air pressure | ||||||
| 1003 HPa | 1005 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 5 | 4 | 6 | ||||
| Cloudy days | ||||||
| 5 | 5 | 7 | ||||
| Rainy days | ||||||
| 16 | 17 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +32°C 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
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
How was the weather last August in Shanghai?
Climate Change over Years
The climate in Shanghai in August has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+18°C) and the highest in 2016 (+22°C). The driest year was 2003 with only 716 mm of rainfall, and the wettest year was 2023 with 3129 mm.
FAQ
Is August a good time to visit Shanghai?
Can you sunbathe in Shanghai in August?
Is Shanghai rainy in August?
Is it sunny in Shanghai in August?
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.