Shenzhen climate

Name: Shenzhen
Address: CN

Shenzhen is warmest in July, with average highs of 31 °C, and coldest in January, when nights average 12 °C. June is the wettest month (325 mm) and December the driest (31 mm). Figures are 1991–2020 climate normals.

Across a full year Shenzhen averages 1,721 mm of rain and 235 days above 25 °C.

China · population 17,494,398 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 31 °C
Coldest month January 12 °C
Driest month December 31 mm
Wettest month June 325 mm
Least cloud October 44 % cloud
Hottest on record July 36 °C
Coldest on record January 1.5 °C
Warmest sea August 29 °C

What to expectShenzhen through the year

Shenzhen has a clear annual cycle: average daily highs run from 19 °C in January to 31 °C in July, a swing of 12 °C in mean temperature across the year.

Counted across a normal year, 235 days a year reach 25 °C, 83 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in July.

Rain is strongly seasonal. June averages 325 mm against 31 mm in December — 11 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Shenzhen is warmest in August at 29 °C and coldest in February at 18 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	19.3 °C	31 mm	53 %
February	20.6 °C	44 mm	66 %
March	23.4 °C	78 mm	71 %
April	26.3 °C	129 mm	71 %
May	28.6 °C	233 mm	76 %
June	29.9 °C	325 mm	83 %
July	30.6 °C	237 mm	74 %
August	30.6 °C	317 mm	73 %
September	29.8 °C	202 mm	60 %
October	27.9 °C	61 mm	44 %
November	24.8 °C	33 mm	44 %
December	20.5 °C	31 mm	47 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	19.3 °C	12.1 °C	15.6 °C	27.8 °C	1.5 °C	1	0
February	20.6 °C	14.0 °C	17.1 °C	28.7 °C	3.4 °C	4	0
March	23.4 °C	17.1 °C	19.9 °C	30.7 °C	6.4 °C	11	0
April	26.3 °C	20.8 °C	23.2 °C	32.5 °C	11.5 °C	21	1
May	28.6 °C	23.8 °C	25.8 °C	34.3 °C	17.5 °C	29	8
June	29.9 °C	25.7 °C	27.5 °C	35.3 °C	19.9 °C	30	15
July	30.6 °C	26.2 °C	28.1 °C	35.8 °C	22.6 °C	31	21
August	30.6 °C	26.0 °C	27.9 °C	35.0 °C	23.4 °C	31	20
September	29.8 °C	24.7 °C	26.9 °C	34.4 °C	18.1 °C	30	14
October	27.9 °C	21.8 °C	24.5 °C	33.8 °C	13.6 °C	29	3
November	24.8 °C	18.0 °C	21.1 °C	31.5 °C	7.4 °C	16	0
December	20.5 °C	13.2 °C	16.7 °C	28.5 °C	2.4 °C	2	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	31 mm	5	11 h/day	53 %	70 %	17 km/h	18.3 °C
February	44 mm	7	11 h/day	66 %	76 %	17 km/h	18.2 °C
March	78 mm	11	12 h/day	71 %	80 %	18 km/h	19.6 °C
April	129 mm	14	13 h/day	71 %	84 %	18 km/h	22.4 °C
May	233 mm	19	13 h/day	76 %	86 %	16 km/h	25.8 °C
June	325 mm	23	14 h/day	83 %	88 %	18 km/h	27.7 °C
July	237 mm	22	13 h/day	74 %	86 %	17 km/h	28.4 °C
August	317 mm	23	13 h/day	73 %	87 %	15 km/h	28.7 °C
September	202 mm	16	12 h/day	60 %	83 %	15 km/h	28.4 °C
October	61 mm	7	12 h/day	44 %	74 %	16 km/h	26.5 °C
November	33 mm	5	11 h/day	44 %	70 %	17 km/h	23.4 °C
December	31 mm	4	11 h/day	47 %	67 %	18 km/h	19.9 °C

How Shenzhen compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Shenzhen	31 °C	12 °C	1,721 mm	235
Tai Po · Hong Kong	31 °C	12 °C	1,739 mm	229
Tsuen Wan · Hong Kong	30 °C	13 °C	1,757 mm	229
Kwai Chung · Hong Kong	30 °C	12 °C	1,728 mm	222
Sha Tin · Hong Kong	29 °C	12 °C	1,749 mm	203
Ma On Shan · Hong Kong	29 °C	12 °C	1,749 mm	191
Wong Tai Sin · Hong Kong	28 °C	11 °C	1,750 mm	173

Where Shenzhen ranks

Ranking	Position	Value
Best beach destinations in Asia in October	23rd of 50	92/100
Places with the best weather in Asia in December	32nd of 50	96/100
Best beach destinations in Asia in November	38th of 50	91/100

Planning a trip? See the best time to visit Shenzhen.

QuestionsCommon questions about Shenzhen’s climate

When is the best time to visit Shenzhen?

That depends on what you want, so the honest answer is a comparison rather than a single month. February, March, November sit closest to 20 °C on average, July is the warmest month and December the driest. The month-by-month table above has the full picture.

How hot does Shenzhen get?

In July, the warmest month, daily highs average 31 °C. About 83 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 12 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Shenzhen?

June, averaging 325 mm over 23 days with rain. The driest month is December with 31 mm. The year as a whole averages 1,721 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Shenzhen rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 22.546°, 114.068° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.