Chengdu weather in October

In October, Chengdu sees average daytime highs of 21°C and overnight lows near 15°C, with 40 mm of rain across 8.5 wet days and about 11.2 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°C by the end. The sky is clear or mostly clear about 9% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 48 min by month's end. Set against the rest of the year, October is Chengdu's 9th-clearest and 10th-windiest month. For the whole year in context, see Chengdu's year-round climate.

Daytime high
21°
7th warmest
Overnight low
15°
7th coldest
Rainfall
40 mm
8.5 wet days
Daylight
11 h 12 min
7:12 AM – 6:26 PM
Cloud cover
75%
9th clearest
Wind
6 km/h
10th windiest
Solar energy
2.19 kWh/m²
Travel score
6.3
out of 10

Chengdu is capital of Sichuan Province, China.

Air quality
Very high
PM2.5 49.3 µg/m³ · 2018
Density
944/km²
people per km²
Founded
~310 BCE

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 19°C by the end.

A typical October day in Chengdu reaches about 21°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52217
62217
72216
82216
92216
102216
112116
122116
132116
142115
152115
162115
172115
182015
192015
202015
212014
222014
232014
242014
252014
261914
271914
281913
291913
301913
311913

How October really feels in Chengdu

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Chengdu weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 3110.22.5
Feb12° / 7210.93.8
Mar17° / 10°195.511.85.8
Apr23° / 15°437.912.76.7
May27° / 18°669.713.56.1
Jun29° / 21°12811.713.95.0
Jul30° / 23°29219.813.83.6
Aug30° / 23°29019.813.13.9
Sep26° / 19°13412.812.25.9
Oct21° / 15°408.511.26.3
Nov16° / 10°164.310.45.5
Dec11° / 41.310.13.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42476
52377
62377
72377
82377
92377
102377
112377
122377
132377
142377
152377
162377
172377
182476
192476
202575
212674
222674
232773
242872
252971
263070
273169
283367
293367
303565
313565

Chance of precipitation in October

Any precipitation

Chengdu gets around 40 mm of rain over 8.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
333
432
532
631
731
830
929
1029
1129
1228
1328
1428
1528
1628
1727
1827
1927
2026
2126
2225
2325
2424
2523
2623
2722
2821
2920
3019
3119

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the comfortable band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
193345121
2103543110
3113842100
412404090
513423880
614433570
716453360
817473150
919482940
1020492830
1122492630
1224502420
1325502320
1427502210
1529502010
1632491910
1734481700
1837471600
1939461400
2042451300
2144441200
2247431000
235041900
245240800
255538700
265737600
276035500
286134500
296432400
306631300
316830200

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over October. Sunrise moves from 7:02 AM to 7:23 AM, and sunset from 6:44 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:026:44
211.77:026:43
311.67:036:41
411.67:036:40
511.67:046:39
611.57:056:38
711.57:056:36
811.57:066:35
911.57:076:34
1011.47:076:33
1111.47:086:32
1211.47:096:30
1311.37:096:29
1411.37:106:28
1511.37:116:27
1611.27:126:26
1711.27:126:25
1811.27:136:24
1911.27:146:23
2011.17:146:22
2111.17:156:21
2211.17:166:20
2311.07:176:19
2411.07:176:18
2511.07:186:17
2610.97:196:16
2710.97:206:15
2810.97:216:14
2910.97:216:13
3010.87:226:12
3110.87:236:12

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.19 kWh/m².

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 4.59 kWh/m² in May across the year — October's 2.19 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in October

Hazard calendar for Chengdu

In seasonPeak

None of Chengdu's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Chengdu's rainy season runs July–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Chengdu?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.3
Sightseeing
2nd-best month of the year
3.8
Beach & pool
7th-best month of the year

October is a reasonable time to visit Chengdu for sightseeing.

What to pack for Chengdu in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Chengdu sees daytime highs around 21°C and nights near 15°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Chengdu in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chengdu peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 16UV 10Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb5Moderate
Mar7High
Apr7High
May9Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Chengdu in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Chengdu is worst in January — around 60 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Chengdu's WHO annual average of 49.3 µg/m³.

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 1859 µg/m³Aug 1038 µg/m³
PM2.5 (µg/m³)Level
Jan60Unhealthy
Feb58Unhealthy
Mar57Unhealthy
Apr50Poor
May47Poor
Jun39Poor
Jul38Poor
Aug38Poor
Sep44Poor
Oct49Poor
Nov54Poor
Dec57Unhealthy
Location & terrain

Where is Chengdu?

Chengdu sits at 30.7°N, 104.1°E, 499 m above sea level, in China. The nearest listed city is Leshan, 126 km away.

GuiyangShangri-LaLijiangXi'anFenghuangKunming

Topography around Chengdu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chengdu.

Within 3 km, the terrain around Chengdu has only modest variations in elevation — a maximum elevation change of 42 m around an average of 501 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,717 m.

The land around Chengdu is covered by artificial surfaces (88%) within 3 km, artificial surfaces (55%) within 16 km, and trees (53%) and cropland (33%) within 80 km.

3 km
42 m
16 km
124 m
80 km
3,717 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Leshan 126 km · Chongqing 269 km · Guiyang 523 km · Shangri-La 528 km · Lijiang 565 km · Xi'an 606 km · Fenghuang 616 km · Kunming 640 km

China travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / I
220 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$13,862
2025
Happiness
6.1 / 10
World Happiness, 2025
Homicide rate
0.5
per 100k, 2020
Road deaths
17.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 464
Religion
unaffiliated 52%folk religion 22%Buddhist 18%Christian 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chengdu (30.6667°, 104.0667°, elevation 499 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).