Suzhou weather in July

In July, Suzhou sees average daytime highs of 32°C and overnight lows near 27°C, with 171 mm of rain across 13.1 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 33°C by the end. The sky is clear or mostly clear about 23% of the time in July, and the air most often feels miserable.

Daylight stretches from about 14 hours at the start of July to 13 h 36 min by month's end. Set against the rest of the year, July is Suzhou's 11th-clearest and 8th-windiest month. For the whole year in context, see Suzhou's year-round climate.

Daytime high
32°
1st warmest
Overnight low
27°
12th coldest
Rainfall
171 mm
13.1 wet days
Daylight
13 h 54 min
5:08 AM – 6:59 PM
Cloud cover
69%
11th clearest
Wind
13 km/h
8th windiest
Solar energy
5.24 kWh/m²
Travel score
3.7
out of 10

Suzhou is prefecture-level city in Jiangsu, China, former capital of the kingdom of Wu.

Air quality
Very high
PM2.5 47.5 µg/m³ · 2018
Density
776/km²
people per km²
Founded
~514 BCE

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 33°C by the end.

A typical July day in Suzhou reaches about 32°C in the afternoon and slips back to 27°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, July runs about 4°C warmer than June and on par with August.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63026
73126
83126
93126
103126
113126
123126
133126
143126
153227
163227
173227
183227
193227
203227
213227
223327
233327
243327
253327
263327
273327
283327
293328
303327
313327

How July really feels in Suzhou

Once humidity and wind are folded in, July averages 31 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
31
16 feel dangerously hot (≥ 39°C)
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.

Suzhou weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 789.11.110.21.0
Feb / 819.40.810.91.9
Mar14° / 11712.50.211.83.7
Apr20° / 13°11910.8012.75.9
May25° / 18°14210.8013.66.6
Jun28° / 22°275140145.3
Jul32° / 27°17113.1013.83.7
Aug31° / 26°16014.3013.13.9
Sep27° / 22°959.6012.26.3
Oct22° / 17°626.6011.27.3
Nov16° / 11°678.3010.45.3
Dec10° / 556.90.4102.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 9% of July, with mostly cloudy or overcast conditions the remaining 67%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21783
31783
41882
51981
61981
72179
82179
92278
102278
112377
122476
132773
142872
152971
163070
173367
183565
193763
203961
214060
224357
234456
244753
254753
264951
274951
285050
295050
305149
315149

Chance of precipitation in July

Any precipitation

Suzhou gets around 171 mm of rain over 13.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
158
257
356
455
554
653
752
851
950
1049
1148
1247
1346
1445
1543
1642
1741
1840
1939
2038
2136
2236
2335
2434
2533
2633
2733
2833
2934
3034
3135

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11163053
21152955
31132858
41122760
51112761
6192664
7192664
8182566
9172567
10162469
11162469
12052372
13042274
14042175
15042076
16031879
17031780
18021682
19021583
20021484
21011386
22011287
23011188
24011188
25011089
2601990
2700991
2800991
2900991
3000991
3101990

Wind in July

Winds average 13 km/h in July.

Across July, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 hours at the start of July to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:01 AM to 5:17 AM, and sunset from 7:01 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:017:01
214.05:017:01
314.05:017:01
414.05:027:01
514.05:027:01
614.05:037:01
714.05:037:01
814.05:047:01
913.95:047:01
1013.95:047:01
1113.95:057:00
1213.95:057:00
1313.95:067:00
1413.95:076:59
1513.95:076:59
1613.95:086:59
1713.85:086:58
1813.85:096:58
1913.85:096:58
2013.85:106:57
2113.85:116:57
2213.85:116:56
2313.75:126:56
2413.75:126:55
2513.75:136:55
2613.75:146:54
2713.75:146:53
2813.65:156:53
2913.65:166:52
3013.65:166:51
3113.65:176:51

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.24 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 5.24 kWh/m² in July across the year — July's 5.24 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
135.0Bright
145.1Bright
155.2Bright
165.2Bright
175.3Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in July

Hazard calendar for Suzhou

In seasonPeak

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

Suzhou sits in the Pacific typhoon belt; the season peaks July–October.

Suzhou's rainy season runs May–August, when most of the year's rain falls.

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

Is July a good time to visit Suzhou?

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

3.7
Sightseeing
8th-best month of the year
5.8
Beach & pool
4th-best month of the year

July is a weaker month for outdoor sightseeing in Suzhou.

What to pack for Suzhou in July

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

In July, Suzhou sees daytime highs around 32°C and nights near 27°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Suzhou 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 Suzhou peaks around September 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateSep 11UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May7High
Jun8Very high
Jul10Very high
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Suzhou 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 Suzhou is worst in December — around 67 µg/m³ PM2.5 (unhealthy), about 2.2× the cleanest month (August, 30 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Suzhou's WHO annual average of 47.5 µg/m³.

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 2167 µg/m³Aug 1030 µg/m³
PM2.5 (µg/m³)Level
Jan65Unhealthy
Feb57Unhealthy
Mar54Poor
Apr50Poor
May42Poor
Jun36Poor
Jul31Moderate
Aug30Moderate
Sep38Poor
Oct45Poor
Nov56Unhealthy
Dec67Unhealthy
Location & terrain

Where is Suzhou?

Suzhou sits at 31.3°N, 120.6°E, 10 m above sea level, in China. The nearest listed city is Wuxi, 41 km away.

Qingdao

Topography around Suzhou

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

Within 3 km, the terrain around Suzhou has only modest variations in elevation — a maximum elevation change of 21 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, significant variations in elevation — a maximum elevation change of 561 m.

The land around Suzhou is covered by artificial surfaces (84%) within 3 km, artificial surfaces (50%) and trees (20%) within 16 km, and cropland (33%), artificial surfaces (30%) and water (21%) within 80 km.

3 km
21 m
16 km
329 m
80 km
561 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Wuxi 41 km · Shanghai 83 km · Pingyao 117 km · Hangzhou 120 km · Ningbo 183 km · Nanjing 192 km · Tunxi 281 km · Qingdao 530 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 Suzhou (31.3041°, 120.5954°, elevation 10 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).