Climate Insights for Suzhou
Gusu District, Jiangsu, China
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
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
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
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
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.