Best Time to Visit Chengdu
The best time to visit Chengdu is April and October, when the average temperature is 18–19°C and rainfall is low for Chengdu, at 59–60 mm a month.
Chengdu weather by month
The wettest month in Chengdu is July with 224 mm of rain, and the warmest is July at an average 28°C. The coolest is January at 5°C.
| Month | Average temperature | Rainfall | Verdict |
|---|---|---|---|
| January | 5°C / 42°F | 12 mm | Cool |
| February | 8°C / 47°F | 14 mm | Cool |
| March | 14°C / 57°F | 33 mm | Cool |
| April | 19°C / 67°F | 60 mm | Best |
| May | 23°C / 74°F | 96 mm | Rainy |
| June | 26°C / 79°F | 129 mm | Rainy |
| July | 28°C / 82°F | 224 mm | Wet |
| August | 27°C / 80°F | 201 mm | Wet |
| September | 23°C / 73°F | 128 mm | Rainy |
| October | 18°C / 64°F | 59 mm | Best |
| November | 12°C / 54°F | 23 mm | Cool |
| December | 7°C / 44°F | 11 mm | Cool |
How we pick the best months
- Best: an average temperature of 15–28°C and low rainfall for Chengdu: under 150 mm, and no more than 74 mm, a quarter above Chengdu's median month (never set below 60 mm).
- If no month qualifies, we show the three driest months that average 10–30°C instead.
- Wet: 150 mm of rain or more. Rainy: more than 74 mm. Hot: 29°C or more on average. Cool: under 15°C. Cold: under 5°C.
Averages cover day and night, so afternoons are warmer than the figure shown. Weather is only one reason to pick a month: school holidays, festivals and prices matter too.
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Where these numbers come from
Monthly averages for January 2001 – December 2020 from the NASA POWER project, for the area around Tianfu International (TFU) at 30.31, 104.44. The model covers a grid about 50 km across, so a coastal or hilly spot can run a degree or two different. Retrieved 12 September 2026.
The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) Prediction of Worldwide Energy Resource (POWER) Project funded through the NASA Earth Science/Applied Science Program.