Guangzhou weather in March

In March, Guangzhou sees average daytime highs of 23°C and overnight lows near 17°C, with 117 mm of rain across 14.3 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 9% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Guangzhou's 9th-clearest and 2nd-windiest month. For the whole year in context, see Guangzhou's year-round climate.

Daytime high
23°
9th warmest
Overnight low
17°
4th coldest
Rainfall
117 mm
14.3 wet days
Daylight
11 h 48 min
6:42 AM – 6:32 PM
Cloud cover
79%
9th clearest
Wind
11 km/h
2nd windiest
Solar energy
3.17 kWh/m²
Travel score
5.8
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical March day in Guangzhou reaches about 23°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, March runs about 3°C warmer than February and about 4°C cooler than April.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12115
22115
32115
42215
52215
62215
72215
82215
92216
102216
112216
122216
132216
142216
152316
162317
172317
182317
192317
202317
212317
222317
232418
242418
252418
262418
272418
282418
292418
302418
312519

How March really feels in Guangzhou

Once humidity and wind are folded in, March 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

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

Guangzhou weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 7th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 9% of March, with mostly cloudy or overcast conditions the remaining 82%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32674
42674
52575
62575
72476
82377
92278
102080
111882
121882
131783
141684
151585
161387
171387
181387
191387
201585
211585
221585
231585
241585
251585
261684
271684
281684
291684
301684
311684

Chance of precipitation in March

Any precipitation

Guangzhou gets around 117 mm of rain over 14.3 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 46% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
140
240
341
441
542
642
743
843
944
1045
1145
1246
1346
1447
1547
1647
1747
1847
1947
2047
2147
2248
2348
2448
2548
2649
2749
2849
2949
3049
3150

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 29% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1461721132
2451821132
3451822142
4441822142
5431822142
6421923142
7411923152
8401923162
9381923163
10372024173
11352024183
12342024193
13322024204
14312024214
15301924225
16291924236
17271923246
18261923257
19251923257
20241923268
21231923269
222319222710
232219222710
242118222711
252018222712
261918222812
271919222813
281819222814
291719222815
301619222816
311518222817

Wind in March

Winds average 11 km/h in March.

Across March, daily wind ranges from about 11 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
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 30 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over March. Sunrise moves from 6:55 AM to 6:27 AM, and sunset from 6:25 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:556:25
211.56:546:26
311.56:546:26
411.66:536:27
511.66:526:27
611.66:516:27
711.66:506:28
811.76:496:28
911.76:486:29
1011.76:476:29
1111.76:466:30
1211.76:456:30
1311.86:456:30
1411.86:446:31
1511.86:436:31
1611.86:426:32
1711.96:416:32
1811.96:406:32
1911.96:396:33
2011.96:386:33
2111.96:376:34
2212.06:366:34
2312.06:356:34
2412.06:346:35
2512.06:336:35
2612.16:326:35
2712.16:316:36
2812.16:306:36
2912.16:296:37
3012.26:286:37
3112.26:276:37

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.17 kWh/m².

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 — March's 3.17 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.1Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.2Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.4Moderate
Planning a trip in March

Hazard calendar for Guangzhou

In seasonPeak

In March, Guangzhou sits inside its pacific typhoon 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 March a good time to visit Guangzhou?

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

5.8
Sightseeing
6th-best month of the year
4.4
Beach & pool
8th-best month of the year

March is a reasonable time to visit Guangzhou for sightseeing.

What to pack for Guangzhou in March

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

In March, Guangzhou sees daytime highs around 23°C and nights near 17°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Guangzhou in March

The nearest coast averages about 20°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 8 — enough to warrant sun protection. 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 March

GoodModeratePoorUnhealthyVery unhealthy

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