Climate Insights for Suzhou

Gusu District, Jiangsu, China

Hottest
August
33°C peak91°F peak
Coldest
January
3°C low37°F low
Wettest
June
281 mm rain11.1 in rain
Best to Visit
October
Mild temps & low rain

Climate Overview

The climate in Suzhou is temperate. The average annual temperature is 18°C and approximately 1,456 mm of precipitation falls per year. Suzhou receives a notable amount of rainfall throughout the year, including during its driest month. Suzhou is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 3°C. Light snow can occur between January and December.The climate in Suzhou is temperate. The average annual temperature is 64°F and approximately 57.3 in of precipitation falls per year. Suzhou receives a notable amount of rainfall throughout the year, including during its driest month. Suzhou is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 37°F. Light snow can occur between January and December.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 8°Average: 5°Min: 3°FebMax: 10°Average: 7°Min: 4°MarMax: 15°Average: 12°Min: 9°AprMax: 21°Average: 17°Min: 14°MayMax: 25°Average: 22°Min: 19°JunMax: 28°Average: 25°Min: 23°JulMax: 32°Average: 30°Min: 27°AugMax: 33°Average: 30°Min: 27°SepMax: 28°Average: 25°Min: 23°OctMax: 22°Average: 19°Min: 17°NovMax: 17°Average: 14°Min: 11°DecMax: 10°Average: 7°Min: 4°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F100°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 46°FAverage: 41°FMin: 37°FFebMax: 49°FAverage: 44°FMin: 39°FMarMax: 60°FAverage: 54°FMin: 48°FAprMax: 69°FAverage: 63°FMin: 58°FMayMax: 77°FAverage: 71°FMin: 66°FJunMax: 83°FAverage: 78°FMin: 73°FJulMax: 90°FAverage: 85°FMin: 81°FAugMax: 91°FAverage: 86°FMin: 81°FSepMax: 82°FAverage: 78°FMin: 74°FOctMax: 72°FAverage: 67°FMin: 63°FNovMax: 62°FAverage: 57°FMin: 52°FDecMax: 50°FAverage: 45°FMin: 39°F
Max
Average
Min

Temperatures in Suzhou vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 33°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 3°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between November and December, with a 7°C shift in average temperatures.Temperatures in Suzhou vary considerably across the year, with a 54°F difference between the coldest and warmest months. The warmest month is August, when average highs reach 91°F and the mean temperature sits around 86°F. January is the coolest month, with minimum temperatures around 37°F and an average of 41°F. Daily temperature variation is modest, with an average difference of 10°F between highs and lows. The sharpest temperature change occurs between November and December, with a 12°F shift in average temperatures.

Precipitation

0mm50mm100mm150mm200mm250mm300mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 79mmSnow: 5mmFebPrecipitation: 75mmSnow: 4mmMarPrecipitation: 101mmSnow: 0mmAprPrecipitation: 111mmSnow: 0mmMayPrecipitation: 143mmSnow: 0mmJunPrecipitation: 281mmSnow: 0mmJulPrecipitation: 200mmSnow: 0mmAugPrecipitation: 129mmSnow: 0mmSepPrecipitation: 156mmSnow: 0mmOctPrecipitation: 74mmSnow: 0mmNovPrecipitation: 58mmSnow: 0mmDecPrecipitation: 48mmSnow: 2mm
Precipitation
Snow
0in2in4in6in8in10in12inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 3.1inSnow (in): 2inFebPrecipitation: 2.9inSnow (in): 1inMarPrecipitation: 4inSnow (in): 0inAprPrecipitation: 4.4inSnow (in): 0inMayPrecipitation: 5.6inSnow (in): 0inJunPrecipitation: 11.1inSnow (in): 0inJulPrecipitation: 7.9inSnow (in): 0inAugPrecipitation: 5.1inSnow (in): 0inSepPrecipitation: 6.2inSnow (in): 0inOctPrecipitation: 2.9inSnow (in): 0inNovPrecipitation: 2.3inSnow (in): 0inDecPrecipitation: 1.9inSnow (in): 1in
Precipitation
Snow (in)

Suzhou is a fairly wet location, receiving approximately 1,456 mm of precipitation annually, which averages out to around 121 mm per month. The wettest month is June, averaging 281 mm of rainfall. July and September also tend to see above-average precipitation. The driest month is December, with just 48 mm. That's 233 mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 11cm annually. January is the snowiest month with approximately 5cm.Suzhou is a fairly wet location, receiving approximately 57.3 in of precipitation annually, which averages out to around 4.8 in per month. The wettest month is June, averaging 11.1 in of rainfall. July and September also tend to see above-average precipitation. The driest month is December, with just 1.9 in. That's 9.2 in less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 4in annually. January is the snowiest month with approximately 2in.

Wind

0km/h5km/h10km/h15km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 13km/hFebWind Speed: 14km/hMarWind Speed: 14km/hAprWind Speed: 14km/hMayWind Speed: 14km/hJunWind Speed: 13km/hJulWind Speed: 14km/hAugWind Speed: 13km/hSepWind Speed: 13km/hOctWind Speed: 14km/hNovWind Speed: 13km/hDecWind Speed: 13km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 8mphFebWind Speed: 9mphMarWind Speed: 9mphAprWind Speed: 9mphMayWind Speed: 9mphJunWind Speed: 8mphJulWind Speed: 9mphAugWind Speed: 8mphSepWind Speed: 8mphOctWind Speed: 8mphNovWind Speed: 8mphDecWind Speed: 8mph
Wind Speed

Suzhou is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.Suzhou is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is April, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 8mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

Best Time to Visit

Jan5°41°F
Feb7°44°F
Mar12°54°F
Apr17°63°F
May22°71°F
Jun25°78°F
Jul30°85°F
Aug30°86°F
Sep25°78°F
Oct19°67°F
Nov14°57°F
Dec7°45°F

The best time to visit Suzhou is during October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 74 mm per month. By contrast, August can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to 3°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Suzhou is during October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 67°F with modest rainfall averaging 2.9 in per month. By contrast, August can be uncomfortably hot with highs reaching 91°F, while January is the coldest period with lows dropping to 37°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Suzhou based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Suzhou based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
3 °C37 °F
8 °C46 °F
13 km/h8 mph
79 mm3.1 in
5 cm2 in
Feb
4 °C39 °F
10 °C49 °F
14 km/h9 mph
75 mm2.9 in
4 cm1 in
Mar
9 °C48 °F
15 °C60 °F
14 km/h9 mph
101 mm4 in
0 cm0 in
Apr
14 °C58 °F
21 °C69 °F
14 km/h9 mph
111 mm4.4 in
0 cm0 in
May
19 °C66 °F
25 °C77 °F
14 km/h9 mph
143 mm5.6 in
0 cm0 in
Jun
23 °C73 °F
28 °C83 °F
13 km/h8 mph
281 mm11.1 in
0 cm0 in
Jul
27 °C81 °F
32 °C90 °F
14 km/h9 mph
200 mm7.9 in
0 cm0 in
Aug
27 °C81 °F
33 °C91 °F
13 km/h8 mph
129 mm5.1 in
0 cm0 in
Sep
23 °C74 °F
28 °C82 °F
13 km/h8 mph
156 mm6.2 in
0 cm0 in
OctCurrent
17 °C63 °F
22 °C72 °F
14 km/h8 mph
74 mm2.9 in
0 cm0 in
Nov
11 °C52 °F
17 °C62 °F
13 km/h8 mph
58 mm2.3 in
0 cm0 in
Dec
4 °C39 °F
10 °C50 °F
13 km/h8 mph
48 mm1.9 in
2 cm1 in