Suzhou weather by month
The best time to visit Suzhou is April, May and October — 84/100 in October, 23°C and 9 rainy days. The best season is spring, March to May (77/100 on average).
The worst month is July at 50/100 — sweltering, soaked, poor air quality. See July →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit China →
Best season: March to May (77/100 on average) · worst July (50/100)
- Days
- 23°C
- Nights
- 16°C
- Wet days
- 9
- Sun
- 6.9 h
- Humidity
- 76%
- Daylight
- 11 h

Suzhou, month by month
Comfort score out of 100 for the kind of trip Suzhou is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Suzhou through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Spring Festival15–23 FebHoliday
- February
- Plum blossom on Lake Tai15 Feb – 20 Mar (usually)Nature
- June
- Meiyu, the plum rains15 Jun – 12 Jul (usually)Season
- July
- Typhoon season15 Jul – 30 Sep (usually)Hazard
- September
- Osmanthus in flower20 Sep – 20 Oct (usually)Nature
- Hairy crab season25 Sep – 15 Dec (usually)Season
- October
- National Day Golden Week1–7 OctHoliday
- November
- Red maples at Tianping10 Nov – 5 Dec (usually)Nature
Crowds in Suzhou in October
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsNational Day Golden Week, National Day Golden Week in China, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Good to know before you go to Suzhou
Real experiences from travellers' own write-ups, quoted with a link to the original.
Visas & entry
A guide to Suzhou's classical gardens recommends picking two good ones at the right time of day rather than trying to see several, with the Humble Administrator's Garden as the standout worth buying tickets for in advance to avoid the queues that build up at the entrance. Their canal tip: a boat trip along Pingjiang Road or Shantang Street offers a slower, more atmospheric way to see the city's waterways than walking, especially welcome given how high the humidity runs, and Suzhou's flat terrain makes it easy to cover the rest by rented bike from Hellobike or Mobike.
Traveller notes on Suzhou
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters describe April in Suzhou as often cloudy or rainy, with typical temperatures between 13-20C, though posters are consistent that there's no distinct 'rain season' here the way some regions have - rain is a regular but not overwhelming feature of the month. Posters consistently rate mid-to-late April through May as just about perfect weather-wise, with April/May and September/October generally named as the most comfortable overall stretches to visit the wider Jiangsu region. Posters flag April and May as peak tourism season, meaning real crowds and higher prices alongside the good weather. Posters describe early April specifically as bringing magnolia and some cherry blossoms into bloom. Posters generally rate April as a good, if increasingly crowded, time to visit Suzhou, occasional rain a minor trade-off for the pleasant temperatures and spring blooms.
Forum posters call October a clear step up from the still-hot early September stretch in the Shanghai/Suzhou area, with visitors reporting ideal sunny conditions, though some rain is still possible depending on the week. One timing note worth knowing: mid-October is generally considered too early for peak autumn foliage - the best color typically runs November into early December - so October garden visits lean more on the classical Suzhou gardens' architecture, rockwork and water features than on fall leaves. The bigger practical concern posters raise for October specifically isn't weather at all but crowds, since it's one of the most popular domestic travel months in China.
Add your own note from Suzhou's card on the map.