January in Suzhou: mixed conditions, plan around the weather
Trade-offs · 5.5/10Expect 5°C (40°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 50 mm of rain this month — a flexible day or two helps — with about 2 days with 6+ hours of sunshine and 10.2 hours of daylight to work around it.
That is 5.5/10 on the same scale — 7th of 12 months, versus 8.2/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, May is materially better in Suzhou — 2.7 points higher on the same scale.
February in Suzhou — off-season conditions
Hardest · 4.6/10Expect 5°C (41°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 97 mm of rain this month — a flexible day or two helps — with about 2 days with 6+ hours of sunshine and 10.9 hours of daylight to work around it.
That is 4.6/10 on the same scale — 9th of 12 months, versus 8.2/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, May is materially better in Suzhou — 3.6 points higher on the same scale.
March in Suzhou: mixed conditions, plan around the weather
Trade-offs · 6.4/10March averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 109 mm this is a genuinely wet month: about 12 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.4/10 here, 4th of 12 months, against 8.2/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Flexible dates? May scores 1.8 points higher here — enough to change the trip.
April holds up well in Suzhou — 3rd best month
Good · 7.3/10Temperatures hover around 17°C (62°F) — the kind of month where neither heat nor cold forces the schedule.
111 mm of rain signals a properly wet month, with only about 15 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 7.3/10 on the same scale — 3rd of 12 months, versus 8.2/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
May: the best month of the year in Suzhou
Best window · 8.2/10May averages 21°C (70°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 89 mm, so plan one flexible day in three; you still get about 21 days with 6+ hours of sunshine and 13.6 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Suzhou at 8.2/10 — the reference point every other month on this page is measured against.
Plan for peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection, a packable rain layer.
June in Suzhou — off-season conditions
Hardest · 4.7/10Days in June average 26°C (79°F) and humidity near 77% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 217 mm: only about 17 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 4.7/10 on the same scale — 8th of 12 months, versus 8.2/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, May is materially better in Suzhou — 3.5 points higher on the same scale.
July in Suzhou — off-season conditions
Hardest · 3.4/10Days in July average 30°C (85°F) and humidity near 82% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
192 mm of rain makes this a wet month here, though with about 22 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 3.4/10 on the same scale — 12th of 12 months, versus 8.2/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, May is materially better in Suzhou — 4.8 points higher on the same scale.
August in Suzhou — the hardest end of the year
Hardest · 4.5/10August averages 30°C (86°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 102 mm — wet for this destination — but about 22 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.5/10 here, 11th of 12 months, against 8.2/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? May scores 3.7 points higher here — enough to change the trip.
September in Suzhou: expect compromises
Hardest · 4.6/10September averages 26°C (78°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
At 172 mm this is a genuinely wet month: about 12 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4.6/10 here, 10th of 12 months, against 8.2/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Flexible dates? May scores 3.6 points higher here — enough to change the trip.
October in Suzhou — reliably good (2nd best month)
Good · 7.4/10Temperatures hover around 19°C (65°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 74 mm of rain this month — a flexible day or two helps — with about 9 days with 6+ hours of sunshine and 11.2 hours of daylight to work around it.
That is 7.4/10 on the same scale — 2nd of 12 months, versus 8.2/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
November in Suzhou: mixed conditions, plan around the weather
Trade-offs · 6.4/10Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 88 mm of rain this month — a flexible day or two helps — with about 4 days with 6+ hours of sunshine and 10.4 hours of daylight to work around it.
That is 6.4/10 on the same scale — 5th of 12 months, versus 8.2/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
If your dates are flexible, May is materially better in Suzhou — 1.8 points higher on the same scale.
December in Suzhou: mixed conditions, plan around the weather
Trade-offs · 6/10December averages 5°C (40°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 28 mm of rain — occasional showers rather than washed-out days — alongside about 1 days with 6+ hours of sunshine and 10 daylight hours.
It scores 6/10 here, 6th of 12 months, against 8.2/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Flexible dates? May scores 2.2 points higher here — enough to change the trip.
