Annual mean 18°C · wettest around July · prevailing wind NE
Warmest
31.1 °C
Coldest
9.3 °C
Wettest
40%
Windiest
2.6 m/s
Prevailing
NE
2.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Chengdu over the whole year is 18°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 5°C. The rainy (wet) season in Chengdu runs from March to October, peaking in July with a 41% chance of rain on a given day. The dry season is November to February; December is the driest month, at 7%. Winds in Chengdu are highest in April, averaging 1.9 m/s (7 km/h), and lightest in January, at 1.5 m/s (5 km/h). The prevailing wind is from the NE. The clearest skies in Chengdu come in December, when the sky is typically 53% covered; October is the cloudiest month, at 66%.
Month by month Chengdu climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
10°C
5°C
7°C
11%
54%
1.5 m/s
1
0
56
February
12°C
6°C
9°C
20%
58%
1.7 m/s
15
0
65
March
17°C
11°C
15°C
27%
57%
1.8 m/s
53
6
76
April
22°C
15°C
21°C
32%
56%
1.9 m/s
71
30
52
May
25°C
19°C
25°C
30%
57%
1.9 m/s
56
55
26
June
28°C
22°C
30°C
29%
58%
1.8 m/s
25
64
7
July
30°C
24°C
33°C
41%
57%
1.8 m/s
12
40
4
August
31°C
25°C
34°C
39%
53%
1.8 m/s
11
32
4
September
25°C
21°C
27°C
38%
63%
1.7 m/s
47
56
18
October
20°C
16°C
20°C
31%
66%
1.5 m/s
81
11
70
November
16°C
11°C
15°C
15%
57%
1.5 m/s
50
1
81
December
11°C
6°C
8°C
7%
53%
1.5 m/s
4
0
63
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Chengdu weather by season
Year round, Chengdu has days of about 10°C at their warmest in January, its coolest month, and 31°C in August, its warmest; the coolest hours of the day run from 5°C to 25°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around July and least likely around December. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Chengdu weather in winterDecember to February
High 11°CLow 6°CRain 12%
Winter in Chengdu has typical daily highs of about 11°C and lows of about 6°C, with a 12% chance of rain on a given day.
Chengdu weather in springMarch to May
High 22°CLow 15°CRain 30%
Spring in Chengdu has typical daily highs of about 22°C and lows of about 15°C, with a 30% chance of rain on a given day.
Chengdu weather in summerJune to August
High 29°CLow 24°CRain 36%
Summer in Chengdu has typical daily highs of about 29°C and lows of about 24°C, with a 36% chance of rain on a given day.
Chengdu weather in autumnSeptember to November
High 20°CLow 16°CRain 28%
Autumn in Chengdu has typical daily highs of about 20°C and lows of about 16°C, with a 28% chance of rain on a given day.
When is the rainy season in Chengdu?
The rainy (wet) season in Chengdu runs from March to October, peaking in July with a 41% chance of rain on a given day. The dry season is November to February; December is the driest month, at 7%.
What time of year is Chengdu windiest?
Winds in Chengdu are highest in April, averaging 1.9 m/s (7 km/h), and lightest in January, at 1.5 m/s (5 km/h). The prevailing wind is from the NE.
What is the average temperature in Chengdu year round?
The average temperature in Chengdu over the whole year is 18°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 5°C.