Weather in Shenzhen in March

Prime time. March is about as good as Shenzhen gets. Highs average 23.8 °C, lows 17.7 °C, and rain falls on 10 days — nothing in the month is working against you.

March ranks 6 of 12 in Shenzhen: past the worst of the year but short of December, which is the month to book if the dates are open.

Rain on 10 days, 2 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

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average March reaches 30 °C. Across the twenty years measured, the hottest March day reached 29.6 °C and the coldest night fell to 7.2 °C, and the wettest single day dropped 77 mm — roughly 107% of the month's rain in one day.

This is the volatile part. March rainfall has ranged from 18 mm to 234 mm across the twenty years measured — a 216 mm spread around an average of 72 mm. The average is real but almost no individual March looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 13.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 79%, high enough to notice on the warm days without dominating them.

How March sits in the year

The month is on the way up: 2.2 °C warmer than February, and April adds another 2.8 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in March

12 hours of daylight, gaining 0.7 hours across the month. That is between Shenzhen's extremes of 13.5 and 10.8 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 21.6 °C in March — comfortable for a proper swim. The sea peaks at 29.3 °C in July and bottoms out at 20.3 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

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.

March in Shenzhen versus nearby

If Shenzhen is one option among several, the nearby comparison is worth making. Guangzhou is close enough to be a coin toss — 2.4 °C warmer, 2 days more rain. Haiphong is close enough to be a coin toss — within a degree on temperature, the same number of rain days.

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

Every month in Shenzhen

See all twelve months in Shenzhen, or where else to go in March.