Guangzhou weather in July

In July, Guangzhou sees average daytime highs of 33°C and overnight lows near 27°C, with 229 mm of rain across 21.8 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 14% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 24 min at the start of July to 13 h 06 min by month's end. Set against the rest of the year, July is Guangzhou's 8th-clearest and 7th-windiest month. For the whole year in context, see Guangzhou's year-round climate.

Daytime high
33°
1st warmest
Overnight low
27°
12th coldest
Rainfall
229 mm
21.8 wet days
Daylight
13 h 18 min
5:54 AM – 7:11 PM
Cloud cover
76%
8th clearest
Wind
10 km/h
7th windiest
Solar energy
5.07 kWh/m²
Travel score
2.4
out of 10

Guangzhou is capital city of Guangdong Province, China.

Air quality
Very high
PM2.5 36.4 µg/m³ · 2018
Density
2,221/km²
people per km²
Founded
~214 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 33°C through the month.

A typical July day in Guangzhou reaches about 33°C in the afternoon and slips back to 27°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, July runs about 1°C warmer than June and on par with August.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13327
23327
33327
43327
53327
63327
73327
83327
93327
103327
113327
123327
133327
143327
153327
163327
173327
183327
193327
203327
213327
223327
233327
243327
253327
263327
273327
283327
293327
303327
313327

How July really feels in Guangzhou

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
31 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.

Guangzhou weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 12°416.410.76.6
Feb20° / 13°558.911.26.1
Mar23° / 17°11714.311.85.8
Apr27° / 21°19716.512.55.1
May30° / 24°2902113.13.5
Jun32° / 26°33622.713.42.6
Jul33° / 27°22921.813.32.4
Aug33° / 27°26522.112.82.5
Sep32° / 25°17715.812.13.6
Oct29° / 22°586.411.56.1
Nov25° / 18°355.310.97.7
Dec21° / 13°374.710.67.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 13% of July, 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 (%)
12278
22377
32377
42377
52377
62377
72377
82377
92476
102476
112476
122476
132476
142476
152476
162674
172674
182674
192674
202773
212872
222872
232872
243070
253070
263169
273268
283268
293268
303268
313268

Chance of precipitation in July

Any precipitation

Guangzhou gets around 229 mm of rain over 21.8 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 70% and peaks near 74% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
174
273
373
472
572
671
771
870
970
1069
1169
1269
1369
1469
1569
1669
1769
1869
1969
2069
2170
2270
2370
2470
2570
2670
2770
2870
2970
3071
3171

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17298
18298
19298
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298
31298

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 24 min at the start of July to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:48 AM to 6:00 AM, and sunset from 7:12 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:487:12
213.45:497:13
313.45:497:13
413.45:497:13
513.45:507:13
613.45:507:13
713.45:507:13
813.45:517:13
913.45:517:12
1013.45:517:12
1113.35:527:12
1213.35:527:12
1313.35:537:12
1413.35:537:12
1513.35:537:12
1613.35:547:11
1713.35:547:11
1813.35:557:11
1913.35:557:11
2013.25:557:10
2113.25:567:10
2213.25:567:10
2313.25:577:09
2413.25:577:09
2513.25:587:09
2613.25:587:08
2713.25:597:08
2813.15:597:07
2913.15:597:07
3013.16:007:06
3113.16:007:06

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.07 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.95 kWh/m² to a high of 5.07 kWh/m² in July across the year — July's 5.07 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in July

Hazard calendar for Guangzhou

In seasonPeak

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

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

Guangzhou's monsoon runs April–September, when most of the year's rain falls.

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

Is July a good time to visit Guangzhou?

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

2.4
Sightseeing
12th-best month of the year
4.4
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Guangzhou.

What to pack for Guangzhou in July

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

In July, Guangzhou sees daytime highs around 33°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Guangzhou in July

The nearest coast averages about 29°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 67 km away) is warmest in August at about 29°C and coldest in February near 18°C.

It's comfortable for a long swim from Mar 21 to Dec 17 — about 8.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb18Cool
Mar20Cool
Apr22Refreshing
May26Warm
Jun28Warm
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov23Refreshing
Dec20Refreshing

UV index in Guangzhou in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guangzhou peaks around July 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 16UV 12Jan 12UV 6
UV index (midday)Level
Jan6High
Feb7High
Mar8Very high
Apr8Very high
May10Very high
Jun10Extreme
Jul12Extreme
Aug10Very high
Sep9Very high
Oct8Very high
Nov7High
Dec6High

Air quality in Guangzhou 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 Guangzhou is worst in January — around 47 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (July, 24 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Guangzhou's WHO annual average of 36.4 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 2147 µg/m³Jul 1124 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb45Poor
Mar42Poor
Apr37Poor
May31Moderate
Jun25Moderate
Jul24Moderate
Aug29Moderate
Sep39Poor
Oct37Poor
Nov42Poor
Dec39Poor
Location & terrain

Where is Guangzhou?

Guangzhou sits at 23.1°N, 113.3°E, 15 m above sea level, in China. The nearest listed city is Zhuhai, 99 km away.

Topography around Guangzhou

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

Within 3 km, the terrain around Guangzhou has only modest variations in elevation — a maximum elevation change of 64 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 371 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,285 m.

The land around Guangzhou is covered by artificial surfaces (79%) within 3 km, artificial surfaces (65%) and trees (21%) within 16 km, and trees (49%) and artificial surfaces (26%) within 80 km.

3 km
64 m
16 km
371 m
80 km
1,285 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Zhuhai 99 km · Shenzhen 105 km · Macau 106 km · Ha Tsuen 106 km · Tin Shui Wai 106 km · 107 km · Ping Shan 108 km · Yeung Uk Tsuen 108 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 Guangzhou (23.1167°, 113.25°, elevation 15 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).