Chengdu weather in July

In July, Chengdu sees average daytime highs of 30°C and overnight lows near 23°C, with 292 mm of rain across 19.8 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 13% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 hours at the start of July to 13 h 30 min by month's end. Set against the rest of the year, July is Chengdu's 10th-clearest and 10th-windiest month. For the whole year in context, see Chengdu's year-round climate.

Daytime high
30°
1st warmest
Overnight low
23°
12th coldest
Rainfall
292 mm
19.8 wet days
Daylight
13 h 48 min
6:15 AM – 8:04 PM
Cloud cover
76%
10th clearest
Wind
6 km/h
10th windiest
Solar energy
4.56 kWh/m²
Travel score
3.6
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical July day in Chengdu reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 34°C. Set against its neighbours, July runs about 1°C warmer than June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How July really feels in Chengdu

Once humidity and wind are folded in, July averages 27 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
27
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Chengdu weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
32080
42080
52080
62179
72179
82377
92377
102575
112674
122674
132773
142872
153070
163070
173169
183169
193169
203268
213268
223367
233367
243466
253466
263466
273466
283466
293466
303466
313565

Chance of precipitation in July

Any precipitation

Chengdu gets around 292 mm of rain over 19.8 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 74% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
153
253
353
454
554
654
755
855
956
1057
1157
1258
1359
1460
1561
1663
1764
1865
1967
2068
2169
2270
2371
2472
2572
2673
2773
2873
2974
3074
3174

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111146392
211045423
31943433
41842453
51841464
61740474
71639485
81638495
91537516
101536526
111535527
121533538
131432558
141431559
1514295610
1614285611
1714265712
1814255713
1914245714
2014225815
2114215816
2213206016
2313196017
2403196117
2503196018
2603186118
2703186118
2803186118
2903186118
3003186019
3102186119

Wind in July

Winds average 6 km/h in July.

Across July, 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 July

DaylightNight

Daylight runs from about 14 hours at the start of July to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 6:08 AM to 6:24 AM, and sunset from 8:06 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.06:088:06
214.06:098:06
313.96:098:06
413.96:098:06
513.96:108:06
613.96:108:06
713.96:118:06
813.96:118:05
913.96:128:05
1013.96:128:05
1113.96:138:05
1213.96:138:05
1313.86:148:04
1413.86:148:04
1513.86:158:04
1613.86:158:04
1713.86:168:03
1813.86:168:03
1913.86:178:02
2013.76:178:02
2113.76:188:01
2213.76:198:01
2313.76:198:00
2413.76:208:00
2513.66:207:59
2613.66:217:59
2713.66:227:58
2813.66:227:58
2913.66:237:57
3013.56:237:56
3113.56:247:56

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.56 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 — July's 4.56 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
314.7Bright
Planning a trip in July

Hazard calendar for Chengdu

In seasonPeak

In July, Chengdu sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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 July a good time to visit Chengdu?

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

3.6
Sightseeing
10th-best month of the year
5.2
Beach & pool
6th-best month of the year

July is a weaker month for outdoor sightseeing in Chengdu.

What to pack for Chengdu in July

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

In July, Chengdu sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Chengdu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).