January in Nanjing: mixed conditions, plan around the weather
Trade-offs · 5.3/10January averages 4°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 54 mm, so plan one flexible day in three; you still get about 1 days with 6+ hours of sunshine and 10.1 hours of daylight.
It scores 5.3/10 here, 8th of 12 months, against 8.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? May scores 3.2 points higher here — enough to change the trip.
February in Nanjing: expect compromises
Hardest · 4.7/10February averages 4°C (39°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 86 mm, so plan one flexible day in three; you still get about 3 days with 6+ hours of sunshine and 10.8 hours of daylight.
It scores 4.7/10 here, 9th of 12 months, against 8.5/10 in the destination's best month.
Plan for low-season pricing, with 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.
Flexible dates? May scores 3.8 points higher here — enough to change the trip.
March in Nanjing — middling scores, decent value
Trade-offs · 6.7/10Expect 12°C (53°F) in March. A good month for city streets, viewpoints and long meals; leave swimming for another season.
100 mm of rain signals a properly wet month, with only about 12 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 6.7/10 on the same scale — 5th of 12 months, versus 8.5/10 for the best month here.
Budget for mid-season pricing, and 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.
If your dates are flexible, May is materially better in Nanjing — 1.8 points higher on the same scale.
April in Nanjing: strong conditions, 2nd of 12
Good · 7.6/10April averages 17°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 107 mm this is a genuinely wet month: about 17 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 7.6/10 here, 2nd of 12 months, against 8.5/10 in the destination's best month.
Figure on mid-season pricing, with 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 in Nanjing tops the year's climate scores
Best window · 8.5/10At 21°C (71°F) this is comfortable city weather in May, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 13.6 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Nanjing at 8.5/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and 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 Nanjing — off-season conditions
Hardest · 4.5/10June averages 27°C (80°F) and humidity near 74%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
245 mm makes this the wettest stretch of the year, though about 20 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 4.5/10 here, 10th of 12 months, against 8.5/10 in the destination's best month.
Figure on low-season pricing, with 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.
Flexible dates? May scores 4 points higher here — enough to change the trip.
July in Nanjing — the hardest end of the year
Hardest · 3.1/10July averages 29°C (85°F) and humidity near 83%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
220 mm of rain puts this in monsoon territory — about 19 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 3.1/10 here, 12th of 12 months, against 8.5/10 in the destination's best month.
Plan for low-season pricing, with 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.
Flexible dates? May scores 5.4 points higher here — enough to change the trip.
August in Nanjing — off-season conditions
Hardest · 3.9/10Days in August average 30°C (85°F) and humidity near 76% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
144 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 3.9/10 on the same scale — 11th of 12 months, versus 8.5/10 for the best month here.
Expect low-season pricing, and 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.
If your dates are flexible, May is materially better in Nanjing — 4.6 points higher on the same scale.
September in Nanjing: mixed conditions, plan around the weather
Trade-offs · 5.5/10At 25°C (77°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
126 mm of rain signals a properly wet month, with only about 13 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.5/10 on the same scale — 7th of 12 months, versus 8.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, May is materially better in Nanjing — 3 points higher on the same scale.
October holds up well in Nanjing — 3rd best month
Good · 7.6/10October averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 72 mm, so plan one flexible day in three; you still get about 10 days with 6+ hours of sunshine and 11.2 hours of daylight.
It scores 7.6/10 here, 3rd of 12 months, against 8.5/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
November in Nanjing — reliably good (4th best month)
Good · 7.1/10November averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 53 mm, so plan one flexible day in three; you still get about 3 days with 6+ hours of sunshine and 10.3 hours of daylight.
It scores 7.1/10 here, 4th of 12 months, against 8.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
December in Nanjing: mixed conditions, plan around the weather
Trade-offs · 6/10At 3°C (38°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
With around 31 mm of rain, any showers tend to pass through rather than settle in; about 2 days with 6+ hours of sunshine and 9.9 hours of daylight fill the rest.
That is 6/10 on the same scale — 6th of 12 months, versus 8.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip.
If your dates are flexible, May is materially better in Nanjing — 2.5 points higher on the same scale.
