Chengdu Weather & Climate: Best Time to Visit

In Chengdu, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 11°C (52°F) in January.

Nighttime temperatures range from 23°C (73°F) in July to 4°C (39°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Chengdu experiences significant rainfall throughout the year, averaging 1175 mm (46 in) of precipitation annually. The seasons in Chengdu bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 305 mm (12 in) of precipitation. This rainfall is distributed across 17 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 14 mm (0.6 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Chengdu Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Chengdu, summer days are longer and more sunny, with daily sunshine hours peaking at 5.2 hours in August. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.7 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The city experiences its highest humidity in July, reaching 86%. In May, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year