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30-year normals (1991-2020)
Chengdu has a subtropical highland climate, classified as Cwa in the Köppen system. The warmest month is July with an average high of 30°C, while the coldest month is January with lows dropping to 3°C. The annual temperature range of 27°C reflects moderate seasonal variation.
The driest month is December with only 3 rain days and 9mm of precipitation. For travellers, December through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 70% to 70% throughout the year.
Based on temperature and rainfall data, the best months to visit Chengdu are January, March, April. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
30°C
July
Coldest Month
3°C
January
Driest Month
3 days
December
Annual Range
27°C
3° to 30°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 10°C | 3°C | 4 | 6h | View |
| February | 13°C | 5°C | 6 | 6h | View |
| March | 17°C | 9°C | 9 | 6h | View |
| April | 23°C | 14°C | 11 | 8h | View |
| May | 27°C | 18°C | 12 | 8h | View |
| June | 29°C | 21°C | 15 | 8h | View |
| July | 30°C | 23°C | 23 | 9h | View |
| August | 30°C | 23°C | 22 | 8h | View |
| September | 26°C | 19°C | 16 | 6h | View |
| October | 21°C | 15°C | 12 | 5h | View |
| November | 16°C | 10°C | 6 | 5h | View |
| December | 11°C | 4°C | 3 | 6h | View |
January
4 rain days, 6h sun
February
6 rain days, 6h sun
March
9 rain days, 6h sun
April
11 rain days, 8h sun
May
12 rain days, 8h sun
June
15 rain days, 8h sun
July
23 rain days, 9h sun
August
22 rain days, 8h sun
September
16 rain days, 6h sun
October
12 rain days, 5h sun
November
6 rain days, 5h sun
December
3 rain days, 6h sun
Chengdu in July
Data Sources for Chengdu
Climate normals represent 30-year averages (1991-2020). Individual years may vary.