Yiwu climate

Name: Yiwu
Address: CN

Yiwu is warmest in July, with average highs of 33 °C, and coldest in January, when nights average 1.8 °C. June is the wettest month (312 mm) and October the driest (53 mm). Figures are 1991–2020 climate normals.

Across a full year Yiwu averages 1,479 mm of rain, 154 days above 25 °C and 21 days below freezing.

China · population 1,481,384 · 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 33 °C
Coldest month January 1.8 °C
Driest month October 53 mm
Wettest month June 312 mm
Least cloud December 50 % cloud
Hottest on record August 42 °C
Coldest on record December -11 °C

What to expectYiwu through the year

Yiwu has a clear annual cycle: average daily highs run from 9.5 °C in January to 33 °C in July, a swing of 23 °C in mean temperature across the year.

Counted across a normal year, 154 days a year reach 25 °C, 80 of them reach 30 °C, 21 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in August.

Rain is strongly seasonal. June averages 312 mm against 53 mm in October — 5.9 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	9.5 °C	75 mm	60 %
February	12.0 °C	74 mm	64 %
March	16.0 °C	126 mm	70 %
April	21.8 °C	150 mm	71 %
May	26.2 °C	176 mm	72 %
June	28.6 °C	312 mm	82 %
July	33.1 °C	144 mm	70 %
August	32.9 °C	143 mm	63 %
September	28.5 °C	95 mm	60 %
October	23.7 °C	53 mm	51 %
November	18.0 °C	74 mm	54 %
December	11.9 °C	59 mm	50 %

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	9.5 °C	1.8 °C	5.6 °C	24.6 °C	-11.1 °C	0	0	10
February	12.0 °C	3.4 °C	7.6 °C	27.9 °C	-6.5 °C	0	0	5
March	16.0 °C	7.3 °C	11.5 °C	31.7 °C	-3.5 °C	2	0	0
April	21.8 °C	12.7 °C	16.9 °C	32.4 °C	2.1 °C	9	1	0
May	26.2 °C	17.6 °C	21.6 °C	36.8 °C	8.7 °C	20	5	0
June	28.6 °C	21.6 °C	24.8 °C	36.7 °C	14.4 °C	25	11	0
July	33.1 °C	25.0 °C	28.7 °C	40.7 °C	17.6 °C	30	26	0
August	32.9 °C	24.9 °C	28.4 °C	41.8 °C	16.8 °C	31	25	0
September	28.5 °C	21.0 °C	24.4 °C	39.3 °C	13.3 °C	24	11	0
October	23.7 °C	15.4 °C	19.2 °C	35.8 °C	5.8 °C	11	1	0
November	18.0 °C	9.9 °C	13.7 °C	31.3 °C	-2.9 °C	2	0	0
December	11.9 °C	3.5 °C	7.6 °C	24.7 °C	-11.2 °C	0	0	6

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	75 mm	10	10 h/day	60 %	75 %	10 km/h
February	74 mm	11	11 h/day	64 %	75 %	11 km/h
March	126 mm	14	12 h/day	70 %	76 %	11 km/h
April	150 mm	14	13 h/day	71 %	76 %	11 km/h
May	176 mm	15	14 h/day	72 %	77 %	11 km/h
June	312 mm	18	14 h/day	82 %	83 %	10 km/h
July	144 mm	13	14 h/day	70 %	76 %	11 km/h
August	143 mm	14	13 h/day	63 %	76 %	12 km/h
September	95 mm	10	12 h/day	60 %	76 %	12 km/h
October	53 mm	7	11 h/day	51 %	72 %	11 km/h
November	74 mm	8	11 h/day	54 %	73 %	10 km/h
December	59 mm	7	10 h/day	50 %	73 %	11 km/h

How Yiwu 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
Yiwu	33 °C	1.8 °C	1,479 mm	154
Puyang · China	33 °C	2.3 °C	1,611 mm	155
Jinhua · China	33 °C	2.4 °C	1,687 mm	160
Guli · China	33 °C	2.1 °C	1,537 mm	158
Shaoxing · China	33 °C	1.3 °C	1,573 mm	149
Lishui · China	33 °C	3.0 °C	1,429 mm	163
Hangzhou · China	33 °C	0.9 °C	1,477 mm	144

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

QuestionsCommon questions about Yiwu’s climate

When is the best time to visit Yiwu?

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

How hot does Yiwu get?

In July, the warmest month, daily highs average 33 °C. About 80 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 1.8 °C in January, the coldest month. A normal year has 21 nights below freezing.

Which month is wettest in Yiwu?

June, averaging 312 mm over 18 days with rain. The driest month is October with 53 mm. The year as a whole averages 1,479 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 Yiwu 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.