Climate guide for Nanjing, China

Nanjing in May

Weather, crowds & best time to visit

How to read the score (0–10)
05810
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May · China

Best time to visit Nanjing in May Weather, crowds & prices

Weather in Nanjing in May

Average temperature 21°C, 83 mm of rain, about 23 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

8.5/10

Ranked #1 of 12 months

Full year for Nanjing
Avg temp
21°C
Rainfall
83 mm
Humidity
71%
Days with 6h+ sun
23
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

May in Nanjing scores 8.5/10 for sightseeing and cultural travel - the single best month of the year. Expect around 21°C, 83 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.

Nanjing is a former Chinese capital on the Yangtze, known for Ming walls, plane trees and its memorials.

May in Nanjing tops the year's climate scores

At 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.

Pack light clothing, a hat and real sun protection, a packable rain layer.

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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Nanjing in May?
In May, Nanjing averages 21°C, 83 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
Is May a good time to visit Nanjing?
May earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Nanjing in May?
Expect about 83 mm of rain in May. Average humidity is 71% and there are about 23 days with 6+ hours of sunshine.

Curated in Nanjing

Tickets & experiences

Things to do in Nanjing

Nanjing, China. Live activities and tours from GetYourGuide, matched to this destination.