Chengdu is warmest in June, averaging 33° by day and 21° at night. The wettest month is July with 257 mm, and the year brings about 1107 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 12° | 1° | 16 mm | 10.2 h | Mild |
| February | 15° | 3° | 17 mm | 10.9 h | Mild |
| March | 22° | 8° | 37 mm | 11.8 h | Sightseeing |
| April | 25° | 14° | 84 mm | 12.8 h | Beach weather |
| May | 30° | 17° | 93 mm | 13.6 h | Beach weather |
| June | 33° | 21° | 120 mm | 14.0 h | Mild |
| July | 33° | 23° | 257 mm | 13.8 h | Rainy season |
| August | 33° | 23° | 220 mm | 13.1 h | Rainy season |
| September | 29° | 19° | 159 mm | 12.2 h | Mild |
| October | 23° | 14° | 71 mm | 11.2 h | Sightseeing |
| November | 18° | 8° | 21 mm | 10.4 h | Sightseeing |
| December | 12° | 2° | 12 mm | 10.0 h | Mild |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: April and May — highs around 28°, nights no colder than 14°, and at most 93 mm of rain in a month.
Walking the city: March, October and November — highs of 18–23° and no more than 71 mm of rain a month.
Wet season: July and August — up to 257 mm in a single month.