Dongguan climate

Name: Dongguan
Address: CN

Dongguan is warmest in July, with average highs of 31 °C, and coldest in January, when nights average 11 °C. June is the wettest month (378 mm) and November the driest (34 mm). Figures are 1991–2020 climate normals.

Across a full year Dongguan averages 1,922 mm of rain and 242 days above 25 °C.

China · population 9,644,871 · 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 11 °C
Driest month November 34 mm
Wettest month June 378 mm
Least cloud October 44 % cloud
Hottest on record July 36 °C
Coldest on record January 1.2 °C

What to expectDongguan through the year

Dongguan has a clear annual cycle: average daily highs run from 19 °C in January to 31 °C in July, a swing of 13 °C in mean temperature across the year.

Counted across a normal year, 242 days a year reach 25 °C, 105 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in July.

Rain is strongly seasonal. June averages 378 mm against 34 mm in November — 11 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	19.2 °C	35 mm	56 %
February	20.7 °C	49 mm	68 %
March	23.5 °C	112 mm	75 %
April	26.6 °C	191 mm	75 %
May	29.0 °C	301 mm	78 %
June	30.3 °C	378 mm	84 %
July	31.2 °C	246 mm	75 %
August	31.2 °C	305 mm	73 %
September	30.3 °C	185 mm	59 %
October	28.4 °C	52 mm	44 %
November	25.0 °C	34 mm	45 %
December	20.5 °C	35 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	19.2 °C	10.6 °C	14.7 °C	28.2 °C	1.2 °C	2	0
February	20.7 °C	12.7 °C	16.4 °C	29.8 °C	2.2 °C	6	0
March	23.5 °C	16.0 °C	19.4 °C	30.9 °C	6.1 °C	13	0
April	26.6 °C	20.1 °C	22.9 °C	32.6 °C	9.2 °C	22	2
May	29.0 °C	23.2 °C	25.6 °C	34.5 °C	15.6 °C	29	11
June	30.3 °C	25.2 °C	27.3 °C	34.8 °C	19.7 °C	30	18
July	31.2 °C	25.8 °C	28.1 °C	36.4 °C	21.7 °C	31	24
August	31.2 °C	25.6 °C	27.9 °C	35.9 °C	23.4 °C	31	24
September	30.3 °C	24.1 °C	26.8 °C	35.6 °C	16.9 °C	29	19
October	28.4 °C	20.6 °C	24.2 °C	33.7 °C	10.7 °C	29	7
November	25.0 °C	16.4 °C	20.4 °C	31.9 °C	5.7 °C	17	1
December	20.5 °C	11.5 °C	15.8 °C	28.3 °C	1.3 °C	3	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	35 mm	6	11 h/day	56 %	69 %	13 km/h
February	49 mm	8	11 h/day	68 %	74 %	14 km/h
March	112 mm	13	12 h/day	75 %	79 %	15 km/h
April	191 mm	16	13 h/day	75 %	82 %	15 km/h
May	301 mm	21	13 h/day	78 %	85 %	14 km/h
June	378 mm	24	14 h/day	84 %	87 %	15 km/h
July	246 mm	23	13 h/day	75 %	85 %	15 km/h
August	305 mm	23	13 h/day	73 %	86 %	13 km/h
September	185 mm	16	12 h/day	59 %	82 %	12 km/h
October	52 mm	6	12 h/day	44 %	72 %	13 km/h
November	34 mm	5	11 h/day	45 %	69 %	13 km/h
December	35 mm	4	11 h/day	47 %	65 %	14 km/h

How Dongguan 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
Dongguan	31 °C	11 °C	1,922 mm	242
Tantou · China	31 °C	11 °C	1,885 mm	236
Licheng · China	31 °C	9.6 °C	2,063 mm	234
Guangzhou · China	32 °C	10 °C	1,888 mm	240
Shenzhen · China	31 °C	12 °C	1,721 mm	235
Zhongshan · China	31 °C	12 °C	1,688 mm	239
Huizhou · China	31 °C	9.5 °C	1,788 mm	241

Where Dongguan ranks

Ranking	Position	Value
Places with the best weather in Asia in December	10th of 50	96/100
Places with the best weather in the world in December	18th of 50	96/100

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

QuestionsCommon questions about Dongguan’s climate

When is the best time to visit Dongguan?

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

How hot does Dongguan get?

In July, the warmest month, daily highs average 31 °C. About 105 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 11 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Dongguan?

June, averaging 378 mm over 24 days with rain. The driest month is November with 34 mm. The year as a whole averages 1,922 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 Dongguan 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: 23.018°, 113.749° (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.