Suzhou weather in March

In March, Suzhou sees average daytime highs of 14°C and overnight lows near 8°C, with 117 mm of precipitation across 12.5 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 16°C by the end. The sky is clear or mostly clear about 26% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Suzhou's 10th-clearest and 1st-windiest month. For the whole year in context, see Suzhou's year-round climate.

Daytime high
14°
9th warmest
Overnight low
4th coldest
Precipitation
117 mm
12.5 wet days
Daylight
11 h 48 min
6:14 AM – 6:00 PM
Cloud cover
67%
10th clearest
Wind
15 km/h
1st windiest
Solar energy
3.95 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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 12°C in the first days to 16°C by the end.

A typical March day in Suzhou reaches about 14°C in the afternoon and slips back to 8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 19°C. Set against its neighbours, March runs about 5°C warmer than February and about 6°C cooler than April.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1116
2126
3126
4126
5126
6126
7126
8137
9137
10137
11137
12137
13137
14147
15148
16148
17148
18148
19148
20148
21158
22159
23159
24159
25159
26159
27169
281610
291610
301610
311710

How March really feels in Suzhou

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.

Suzhou weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 6th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53862
63862
73862
83862
93664
103664
113664
123565
133466
143367
153466
163466
173268
183268
193268
203268
213268
223268
233367
243367
253367
263466
273565
283565
293664
303763
313763

Chance of precipitation in March

Any precipitation

Suzhou gets around 117 mm of rain and snow over 12.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 44% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
638
738
838
938
1038
1139
1239
1339
1440
1541
1641
1742
1843
1943
2043
2144
2243
2343
2443
2542
2642
2741
2840
2940
3039
3138

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
298200
398200
498200
598200
697300
797300
897300
997300
1096400
1196400
1296400
1395500
1495500
1595500
1695500
1795500
1894600
1994600
2094600
2193610
2293610
2393610
2491720
2591720
2691720
2790730
2888831
2987841
3086941
31841051

Wind in March

Winds average 15 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 18 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over March. Sunrise moves from 6:32 AM to 5:55 AM, and sunset from 5:49 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:325:49
211.36:315:50
311.36:305:51
411.46:295:52
511.46:285:52
611.46:275:53
711.56:255:54
811.56:245:55
911.56:235:55
1011.66:225:56
1111.66:215:57
1211.66:195:57
1311.76:185:58
1411.76:175:59
1511.76:165:59
1611.86:146:00
1711.86:136:01
1811.86:126:02
1911.96:116:02
2011.96:096:03
2111.96:086:04
2212.06:076:04
2312.06:056:05
2412.06:046:06
2512.16:036:06
2612.16:016:07
2712.16:006:08
2812.25:596:08
2912.25:586:09
3012.25:566:10
3112.35:556:10

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.95 kWh/m².

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 — March's 3.95 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
184.0Moderate
194.0Moderate
204.0Bright
214.0Bright
224.1Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.5Bright
Planning a trip in March

Hazard calendar for Suzhou

In seasonPeak

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

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

3.7
Sightseeing
8th-best month of the year
0.2
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Suzhou.

What to pack for Suzhou in March

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

In March, Suzhou sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

UV index in Suzhou in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. 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 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 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
March 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).