Weather in Chengdu in August 2025
- August is usually the hottest month of the year in Chengdu;
Average weather
Average temperature in Chengdu in August
The expected average maximum temperature in August is +31°C with a maximum of +35°C and a minimum of +21°C.
The average maximum temperature goes down 7% by the end of the month, compared with the beginning of the month, from +32°C to +31°C.
Is Chengdu warm or cold in August?
Chengdu is typically warm in August.
Maximum temperatures go up compared to the previous month from +30°C to +30°C. The minimum temperature also goes up from +23°C to +23°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Chengdu, here is the comparison with other months:
Climate in Chengdu in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +30°C | +30°C | +25°C | ||||
| Min. temperature | ||||||
| +17°C | +16°C | +13°C | ||||
| Max. temperature | ||||||
| +39°C | +42°C | +35°C | ||||
| Rainfall | ||||||
| 309 mm | 296 mm | 138 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 81% | 81% | 81% | ||||
| Air pressure | ||||||
| 1001 HPa | 1004 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 3 | ||||
| Cloudy days | ||||||
| 3 | 3 | 6 | ||||
| Rainy days | ||||||
| 23 | 24 | 21 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +30°C for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 309 mm to 296 mm. Humidity levels don’t change as the month goes on, averaging around 81%. The average wind speed doesn’t change much during August, staying around 1 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chengdu is gradually increasing during August, going from 1 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Chengdu?
Climate Change over Years
The climate in Chengdu in August has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+20°C) and the highest in 2020 (+23°C). The driest year was 2006 with only 736 mm of rainfall, and the wettest year was 1990 with 1678 mm.
FAQ
Is August a good time to visit Chengdu?
Can you sunbathe in Chengdu in August?
Is Chengdu rainy in August?
Is it sunny in Chengdu in August?
Other cities in China
Monthly weather in Chengdu
Source of the data
For this page, we’ve looked at the typical weather in Chengdu, 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.