Climate averages 1991–2020
Chengdu weather
in July.
A hot, very wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Chengdu: daytime highs average 30.0°C and nights cool to about 22.7°C. By daytime temperature it is the warmest month of the year.
Expect about 292 mm of rain on roughly 20 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 55 min on an average July day.
The nearest other city in this atlas is Deyang (60 km away). In July its highs average 29.8°C, about as warm as Chengdu, with 249 mm of rain.
Among the 884 cities listed in China, Chengdu ranks joint 571st of 884 for the warmest July highs and 857th of 884 for the driest July (rainfall, lowest first). The mean July high of those 884 cities is 30.0°C; Chengdu is 0.1°C cooler than that mean.
From July to August, average highs fall by 0.5°C to 29.5°C, and monthly rainfall falls from 292 mm to 290 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Chengdu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.8°C3.1°C | 3.1°C | 3.4 | 1.0 | 10.410 h |
| February | 12.4°C5.1°C | 5.1°C | 6.9 | 2.1 | 11.111 h |
| March | 17.3°C9.0°C | 9.0°C | 19 | 5.5 | 12.012 h |
| April | 23.2°C13.8°C | 13.8°C | 43 | 7.8 | 12.913 h |
| May | 27.1°C18.0°C | 18.0°C | 66 | 9.7 | 13.714 h |
| June | 29.1°C21.1°C | 21.1°C | 128 | 11.6 | 14.114 h |
| July, selected | 30.0°C22.7°C | 22.7°C | 292 | 19.7 | 13.914 h |
| August | 29.5°C22.4°C | 22.4°C | 290 | 19.7 | 13.313 h |
| September | 25.5°C19.3°C | 19.3°C | 134 | 12.7 | 12.412 h |
| October | 20.6°C15.0°C | 15.0°C | 40 | 8.5 | 11.411 h |
| November | 16.2°C10.0°C | 10.0°C | 16 | 4.3 | 10.611 h |
| December | 11.1°C4.6°C | 4.6°C | 4.1 | 1.3 | 10.210 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Deyang in JulyChina · 60 kmHigh 29.8°C · Low 22.7°C · 249 mm rain
- Meishan in JulyChina · 73 kmHigh 30.0°C · Low 23.0°C · 253 mm rain
- Mianzhu, Deyang, Sichuan in JulyChina · 76 kmHigh 27.8°C · Low 21.9°C · 230 mm rain
- Luojiang in JulyChina · 82 kmHigh 29.3°C · Low 22.4°C · 249 mm rain
- Ziyang in JulyChina · 82 kmHigh 30.4°C · Low 23.3°C · 240 mm rain
- Mianyang in JulyChina · 107 kmHigh 29.8°C · Low 22.4°C · 257 mm rain
- Leshan in JulyChina · 126 kmHigh 30.1°C · Low 23.3°C · 228 mm rain
- Ya'an in JulyChina · 127 kmHigh 27.7°C · Low 21.6°C · 284 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Chengdu) is explained once on the Chengdu year overview and on the Sources, method and limits page.