Chongzuo climate

Name: Chongzuo
Address: CN

Chongzuo is warmest in July, with average highs of 31 °C, and coldest in January, when nights average 10 °C. August is the wettest month (258 mm) and February the driest (35 mm). Figures are 1991–2020 climate normals.

Across a full year Chongzuo averages 1,454 mm of rain and 233 days above 25 °C.

China · population 384,905 · 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 10 °C
Driest month February 35 mm
Wettest month August 258 mm
Least cloud October 51 % cloud
Hottest on record June 40 °C
Coldest on record December 1.4 °C

What to expectChongzuo through the year

Chongzuo has a clear annual cycle: average daily highs run from 17 °C in January to 31 °C in July, a swing of 14 °C in mean temperature across the year.

Counted across a normal year, 233 days a year reach 25 °C, 121 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in June.

Rain is strongly seasonal. August averages 258 mm against 35 mm in February — 7.4 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	17.3 °C	46 mm	74 %
February	19.8 °C	35 mm	75 %
March	23.3 °C	67 mm	77 %
April	27.8 °C	86 mm	71 %
May	30.0 °C	178 mm	74 %
June	31.2 °C	245 mm	86 %
July	31.4 °C	251 mm	81 %
August	31.0 °C	258 mm	75 %
September	29.7 °C	143 mm	62 %
October	27.4 °C	65 mm	51 %
November	23.6 °C	44 mm	54 %
December	19.1 °C	36 mm	60 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	17.3 °C	10.2 °C	13.7 °C	29.1 °C	1.5 °C	2	0
February	19.8 °C	12.1 °C	15.9 °C	33.9 °C	3.0 °C	7	1
March	23.3 °C	15.4 °C	19.2 °C	35.5 °C	6.5 °C	13	3
April	27.8 °C	19.8 °C	23.5 °C	37.8 °C	9.7 °C	22	10
May	30.0 °C	22.8 °C	26.1 °C	38.3 °C	16.0 °C	29	17
June	31.2 °C	24.7 °C	27.5 °C	39.5 °C	17.6 °C	30	22
July	31.4 °C	25.0 °C	27.8 °C	38.6 °C	20.3 °C	31	24
August	31.0 °C	24.5 °C	27.3 °C	35.8 °C	21.1 °C	31	22
September	29.7 °C	22.8 °C	26.0 °C	35.9 °C	15.5 °C	29	15
October	27.4 °C	19.6 °C	23.3 °C	33.7 °C	10.2 °C	25	5
November	23.6 °C	15.5 °C	19.4 °C	32.8 °C	6.3 °C	12	1
December	19.1 °C	11.1 °C	15.1 °C	29.6 °C	1.4 °C	3	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	46 mm	8	11 h/day	74 %	75 %	13 km/h
February	35 mm	8	11 h/day	75 %	76 %	14 km/h
March	67 mm	12	12 h/day	77 %	78 %	15 km/h
April	86 mm	12	13 h/day	71 %	78 %	15 km/h
May	178 mm	18	13 h/day	74 %	80 %	14 km/h
June	245 mm	22	14 h/day	86 %	84 %	12 km/h
July	251 mm	22	13 h/day	81 %	84 %	12 km/h
August	258 mm	22	13 h/day	75 %	85 %	11 km/h
September	143 mm	15	12 h/day	62 %	82 %	12 km/h
October	65 mm	8	12 h/day	51 %	75 %	12 km/h
November	44 mm	7	11 h/day	54 %	73 %	13 km/h
December	36 mm	7	11 h/day	60 %	71 %	13 km/h

How Chongzuo 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
Chongzuo	31 °C	10 °C	1,454 mm	233
Lạng Sơn · Vietnam	30 °C	10 °C	1,641 mm	220
Nanning · China	31 °C	9.7 °C	1,584 mm	225
Fangchenggang · China	31 °C	11 °C	1,761 mm	227
Qinzhou · China	31 °C	11 °C	1,605 mm	240
Cẩm Phả · Vietnam	30 °C	14 °C	1,836 mm	220
Hạ Long · Vietnam	31 °C	14 °C	1,749 mm	230

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

QuestionsCommon questions about Chongzuo’s climate

When is the best time to visit Chongzuo?

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

How hot does Chongzuo get?

In July, the warmest month, daily highs average 31 °C. About 121 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 10 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Chongzuo?

August, averaging 258 mm over 22 days with rain. The driest month is February with 35 mm. The year as a whole averages 1,454 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 Chongzuo 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: 22.382°, 107.368° (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.