Zhengzhou climate

Name: Zhengzhou
Address: CN

Zhengzhou is warmest in June, with average highs of 32 °C, and coldest in January, when nights average -3.8 °C. July is the wettest month (178 mm) and January the driest (9.9 mm). Figures are 1991–2020 climate normals.

Across a full year Zhengzhou averages 711 mm of rain, 151 days above 25 °C and 76 days below freezing.

China · population 4,253,913 · 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 June 32 °C
Coldest month January -3.8 °C
Driest month January 10 mm
Wettest month July 178 mm
Least cloud December 40 % cloud
Hottest on record June 42 °C
Coldest on record January -15 °C

What to expectZhengzhou through the year

Zhengzhou has a clear annual cycle: average daily highs run from 6.7 °C in January to 32 °C in June, a swing of 26 °C in mean temperature across the year.

Counted across a normal year, 151 days a year reach 25 °C, 82 of them reach 30 °C, 76 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in June.

Rain is strongly seasonal. July averages 178 mm against 10 mm in January — 18 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	6.7 °C	10 mm	45 %
February	10.4 °C	15 mm	51 %
March	16.2 °C	25 mm	55 %
April	22.8 °C	37 mm	55 %
May	28.1 °C	56 mm	59 %
June	32.2 °C	86 mm	59 %
July	32.0 °C	178 mm	62 %
August	30.2 °C	141 mm	57 %
September	26.5 °C	81 mm	56 %
October	21.8 °C	41 mm	50 %
November	14.5 °C	30 mm	45 %
December	8.4 °C	10 mm	40 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	6.7 °C	-3.8 °C	1.1 °C	17.5 °C	-15.2 °C	0	0	29
February	10.4 °C	-1.1 °C	4.6 °C	24.1 °C	-13.0 °C	0	0	18
March	16.2 °C	4.4 °C	10.4 °C	31.5 °C	-6.4 °C	2	0	4
April	22.8 °C	10.9 °C	16.8 °C	37.7 °C	-0.3 °C	10	2	0
May	28.1 °C	16.8 °C	22.4 °C	40.1 °C	5.6 °C	24	11	0
June	32.2 °C	21.5 °C	26.8 °C	42.2 °C	13.4 °C	28	22	0
July	32.0 °C	23.7 °C	27.6 °C	40.2 °C	17.5 °C	30	23	0
August	30.2 °C	22.4 °C	26.0 °C	38.9 °C	11.6 °C	29	17	0
September	26.5 °C	17.7 °C	21.9 °C	36.9 °C	9.1 °C	21	5	0
October	21.8 °C	11.7 °C	16.5 °C	33.7 °C	1.4 °C	7	1	0
November	14.5 °C	4.2 °C	9.1 °C	26.2 °C	-14.2 °C	0	0	4
December	8.4 °C	-1.8 °C	3.1 °C	21.1 °C	-15.2 °C	0	0	22

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	10 mm	2	10 h/day	45 %	58 %	14 km/h
February	15 mm	3	11 h/day	51 %	58 %	15 km/h
March	25 mm	4	12 h/day	55 %	55 %	18 km/h
April	37 mm	5	13 h/day	55 %	55 %	18 km/h
May	56 mm	6	14 h/day	59 %	56 %	17 km/h
June	86 mm	7	14 h/day	59 %	60 %	15 km/h
July	178 mm	14	14 h/day	62 %	75 %	14 km/h
August	141 mm	13	13 h/day	57 %	78 %	13 km/h
September	81 mm	8	12 h/day	56 %	71 %	13 km/h
October	41 mm	5	11 h/day	50 %	63 %	14 km/h
November	30 mm	4	10 h/day	45 %	62 %	15 km/h
December	10 mm	2	9.8 h/day	40 %	58 %	15 km/h

How Zhengzhou 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
Zhengzhou	32 °C	-3.8 °C	711 mm	151
Xinxiang · China	32 °C	-4.4 °C	564 mm	149
Jiaozuo · China	31 °C	-4.8 °C	626 mm	143
Xuchang · China	32 °C	-3.7 °C	758 mm	150
Jiyuan · China	32 °C	-4.7 °C	646 mm	146
Luoyang · China	32 °C	-4.3 °C	686 mm	148
Jincheng · China	28 °C	-6.3 °C	597 mm	102

Where Zhengzhou ranks

Ranking	Position	Value
Places with the best weather in Asia in October	9thof 50	98/100
Places with the best weather in the world in October	9thof 50	98/100
Places with the best weather in Asia in April	11thof 50	96/100
Places with the best weather in the world in April	21stof 50	96/100

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

QuestionsCommon questions about Zhengzhou’s climate

When is the best time to visit Zhengzhou?

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

How hot does Zhengzhou get?

In June, the warmest month, daily highs average 32 °C. About 82 days a year pass 30 °C. The highest value in the 1991–2020 record is 42 °C.

How cold does it get in winter?

Nights average -3.8 °C in January, the coldest month. A normal year has 76 nights below freezing.

Which month is wettest in Zhengzhou?

July, averaging 178 mm over 14 days with rain. The driest month is January with 10 mm. The year as a whole averages 711 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 Zhengzhou 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
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.