Weather in Hangzhou in April

A good month. April is a solid month to be in Hangzhou. Highs average 22.5 °C, lows 10.8 °C, and rain falls on 12 days — nothing in the month is working against you.

April ranks 3 of 12 in Hangzhou. Only October scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 12 days, 4 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest April day reached 34.7 °C and the coldest night fell to 0.9 °C, and the wettest single day dropped 43 mm — roughly 37% of the month's rain in one day.

April is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest April on record still delivered 243 mm against 50 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 115 mm average is a reasonable planning figure, not a promise.

Wind is light at 8.5 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 77%, high enough to notice on the warm days without dominating them.

How April sits in the year

The month is on the way up: 6 °C warmer than March, and May adds another 4.9 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in April

12.9 hours of daylight, gaining 0.9 hours across the month. That is between Hangzhou's extremes of 14.1 and 10.2 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 33.1 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Busy. Popular without being frantic; book the things you care about, improvise the rest.

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

April in Hangzhou versus nearby

If Hangzhou is one option among several, the nearby comparison is worth making. Shanghai is close enough to be a coin toss — 2.2 °C cooler, 1 day less rain. Nanjing is close enough to be a coin toss — within a degree on temperature, 3 days less rain.

So: April works, with October the better month by 11 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Hangzhou

See all twelve months in Hangzhou, or where else to go in April.