Weather in Nanjing in June

Shoulder season. June is shoulder season in Nanjing — cheaper, quieter, and a genuine gamble. Highs average 30.8 °C, lows 20.6 °C, and rain falls on 12 days — nothing in the month is working against you.

June ranks 7 of 12 in Nanjing: past the worst of the year but short of October, which is the month to book if the dates are open.

This is wet-season rain: 12 wet days and 5 genuinely heavy ones, which in this climate means concentrated downpours rather than all-day grey. The pattern is usually a clear morning and a loud afternoon, so front-load the day and stop fighting the 3pm hour. Pack for 30.8 °C days and 20.6 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 18 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest June day reached 39.5 °C and the coldest night fell to 13.6 °C, and the wettest single day dropped 155 mm — roughly 86% of the month's rain in one day.

June is moderately variable: 35 mm in the driest year against 533 mm in the wettest, around an average of 181 mm. Roughly two Junes in three land near that average, and the third does something else entirely.

Wind is light at 9.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 74%.

How June sits in the year

Temperatures hold steady either side: 27.5 °C in May, 30.8 here, 32.2 in July. Nothing about the timing within the month matters much.

Daylight in June

June is at or near the longest days of Nanjing's year: 14.2 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.

An inland climate

With no coast nearby, the year swings a fair way — 34.2 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

June in Nanjing versus nearby

If Nanjing is one option among several, the nearby comparison is worth making. Hangzhou is close enough to be a coin toss — within a degree on temperature, 5 days more rain. Shanghai is close enough to be a coin toss — 2.5 °C cooler, 4 days more rain.

So: June is a compromise. October is 29 points better and is what Nanjing is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Nanjing

See all twelve months in Nanjing, or where else to go in June.