Suzhou - When to Visit

When to Suzhou

Climate guide & best times to travel

Monthly Climate Data for Suzhou Average temperature and rainfall by month Climate Overview -4°C 6°C 17°C 27°C 38°C Rainfall (mm) 0 105 210 Jan Jan: 8.0°C high, 1.0°C low, 74mm rain Feb Feb: 10.0°C high, 3.0°C low, 66mm rain Mar Mar: 15.0°C high, 7.0°C low, 86mm rain Apr Apr: 21.0°C high, 12.0°C low, 84mm rain May May: 26.0°C high, 17.0°C low, 104mm rain Jun Jun: 28.0°C high, 22.0°C low, 211mm rain Jul Jul: 33.0°C high, 26.0°C low, 155mm rain Aug Aug: 32.0°C high, 26.0°C low, 155mm rain Sep Sep: 28.0°C high, 21.0°C low, 104mm rain Oct Oct: 23.0°C high, 16.0°C low, 69mm rain Nov Nov: 17.0°C high, 10.0°C low, 64mm rain Dec Dec: 10.0°C high, 4.0°C low, 48mm rain Temperature Rainfall
Suzhou experiences a humid subtropical climate with four distinct seasons, characterized by hot, humid summers and cool, damp winters. The city follows a typical East Asian monsoon pattern, with the wettest period occurring from May through August, peaking in June with 8.3 inches of rainfall. Summer temperatures reach their highest in July at 91°F, while winter lows drop to around 35°F in January. The consistent 70% humidity year-round creates a perpetually moist atmosphere that enhances the city's famous garden landscapes but requires appropriate clothing choices for comfort. Spring (March-May) and autumn (September-November) offer the most pleasant weather conditions with moderate temperatures and lower rainfall, making these seasons ideal for exploring Suzhou's UNESCO World Heritage gardens and historic sites.

Best Time to Visit

Beach & Relaxation
July and August offer the warmest temperatures (90-91°F) perfect for water activities, though expect higher humidity and moderate rainfall.
Cultural Exploration
April, May, October, and November provide comfortable temperatures (63-78°F) and lower rainfall, ideal for visiting gardens and historic sites.
Adventure & Hiking
March through May and September through November offer the best conditions with mild temperatures and manageable rainfall for outdoor activities.
Budget Travel
December through February are the least crowded months with cooler weather, offering better deals on accommodation and fewer tourist crowds.

Month-by-Month Guide

January

January is the coldest month in Suzhou with crisp winter conditions. Despite the cool temperatures, rainfall remains moderate and the city's gardens take on a serene, misty quality. This is peak winter season with fewer tourists.

46°F High
35°F Low
2.9 inches Rainfall
Low Crowds
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February

February continues the winter pattern with slightly warmer temperatures but similar conditions to January. The month often coincides with Chinese New Year celebrations, bringing cultural festivities despite the cooler weather. Rainfall decreases slightly from January.

50°F High
38°F Low
2.6 inches Rainfall
Low Crowds
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March

March marks the beginning of spring with noticeably warmer temperatures and increasing rainfall. The city begins to bloom, making it an excellent time to visit the famous gardens. Tourist numbers start to increase as weather improves.

59°F High
44°F Low
3.4 inches Rainfall
Medium Crowds
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April

April offers some of the year's most pleasant weather with comfortable temperatures and moderate rainfall. Spring is in full swing, making this an ideal time for sightseeing and outdoor activities. Cherry blossoms and garden flowers are typically at their peak.

69°F High
54°F Low
3.3 inches Rainfall
High Crowds
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May

May brings warm, comfortable temperatures perfect for exploration, though rainfall begins to increase as the wet season approaches. This is one of the best months for visiting Suzhou's attractions. The weather is ideal for both indoor cultural sites and outdoor activities.

78°F High
64°F Low
4.1 inches Rainfall
High Crowds
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June

June marks the beginning of summer with warm temperatures and the year's highest rainfall at 8.3 inches. The wet season is in full swing, bringing frequent showers and high humidity. Despite the rain, temperatures are pleasant for those who don't mind occasional downpours.

83°F High
71°F Low
8.3 inches Rainfall
Medium Crowds
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July

July is the hottest month of the year with peak summer temperatures reaching 91°F. Rainfall remains significant though less than June, and the high humidity makes it feel quite steamy. This is prime summer season with warm evenings perfect for canal walks.

91°F High
78°F Low
6.1 inches Rainfall
Medium Crowds
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August

August continues the hot summer pattern with temperatures similar to July. The wet season persists with substantial rainfall, and the combination of heat and humidity creates typical summer monsoon conditions. Indoor attractions like museums provide welcome relief.

90°F High
78°F Low
6.1 inches Rainfall
Medium Crowds
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September

September begins the transition to autumn with more comfortable temperatures and decreasing rainfall. This marks the end of the intense summer heat, making it an excellent time to resume outdoor sightseeing. The weather becomes increasingly pleasant as the month progresses.

83°F High
71°F Low
4.1 inches Rainfall
High Crowds
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October

October offers some of the year's most comfortable weather with mild temperatures and low rainfall. Autumn colors begin to appear in the gardens, and the reduced humidity makes this an ideal time for extensive walking and sightseeing. This is peak tourist season for good reason.

74°F High
61°F Low
2.7 inches Rainfall
High Crowds
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November

November continues the pleasant autumn weather with cooler but still comfortable temperatures. Rainfall remains low, and the crisp air makes for excellent conditions for exploring both gardens and historic districts. Fall foliage adds extra beauty to the city's landscapes.

63°F High
50°F Low
2.5 inches Rainfall
Medium Crowds
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December

December brings the onset of winter with cooling temperatures and the year's lowest rainfall. While cooler, the weather remains manageable for sightseeing with proper clothing. Tourist crowds thin out significantly, offering a more peaceful experience of the city's attractions.

51°F High
39°F Low
1.9 inches Rainfall
Low Crowds
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Activities in Suzhou