Jiaxing climate

Name: Jiaxing
Address: CN

Jiaxing is warmest in July, with average highs of 32 °C, and coldest in January, when nights average 0.9 °C. June is the wettest month (287 mm) and December the driest (55 mm). Figures are 1991–2020 climate normals.

Across a full year Jiaxing averages 1,458 mm of rain, 136 days above 25 °C and 29 days below freezing.

China · population 1,180,000 · 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 32 °C
Coldest month January 0.9 °C
Driest month December 55 mm
Wettest month June 287 mm
Least cloud December 49 % cloud
Hottest on record August 41 °C
Coldest on record December -7.5 °C

What to expectJiaxing through the year

Jiaxing has a clear annual cycle: average daily highs run from 8.3 °C in January to 32 °C in July, a swing of 24 °C in mean temperature across the year.

Counted across a normal year, 136 days a year reach 25 °C, 62 of them reach 30 °C, 29 nights drop below freezing. The warmest reading in the 1991–2020 record is 41 °C, in August.

Rain is strongly seasonal. June averages 287 mm against 55 mm in December — 5.2 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	8.3 °C	77 mm	59 %
February	10.5 °C	78 mm	62 %
March	14.6 °C	121 mm	67 %
April	20.3 °C	128 mm	67 %
May	25.0 °C	153 mm	68 %
June	27.8 °C	287 mm	79 %
July	32.1 °C	173 mm	69 %
August	31.6 °C	165 mm	61 %
September	27.5 °C	97 mm	58 %
October	22.7 °C	59 mm	51 %
November	17.1 °C	65 mm	52 %
December	10.8 °C	55 mm	49 %

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	8.3 °C	0.9 °C	4.6 °C	21.9 °C	-7.4 °C	0	0	13
February	10.5 °C	2.6 °C	6.4 °C	25.6 °C	-5.9 °C	0	0	7
March	14.6 °C	6.6 °C	10.3 °C	28.4 °C	-2.9 °C	1	0	1
April	20.3 °C	11.9 °C	15.7 °C	33.0 °C	0.6 °C	4	0	0
May	25.0 °C	17.2 °C	20.7 °C	35.7 °C	7.8 °C	15	3	0
June	27.8 °C	21.5 °C	24.2 °C	36.4 °C	14.3 °C	24	8	0
July	32.1 °C	25.6 °C	28.4 °C	40.1 °C	17.8 °C	30	23	0
August	31.6 °C	25.4 °C	28.1 °C	40.6 °C	16.6 °C	30	22	0
September	27.5 °C	21.1 °C	23.9 °C	36.9 °C	12.9 °C	24	6	0
October	22.7 °C	15.4 °C	18.8 °C	31.5 °C	5.5 °C	6	0	0
November	17.1 °C	9.7 °C	13.2 °C	30.0 °C	-3.3 °C	1	0	0
December	10.8 °C	3.1 °C	6.8 °C	22.4 °C	-7.5 °C	0	0	8

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	77 mm	10	10 h/day	59 %	75 %	15 km/h
February	78 mm	10	11 h/day	62 %	75 %	16 km/h
March	121 mm	13	12 h/day	67 %	75 %	17 km/h
April	128 mm	11	13 h/day	67 %	75 %	17 km/h
May	153 mm	11	14 h/day	68 %	76 %	16 km/h
June	287 mm	16	14 h/day	79 %	83 %	15 km/h
July	173 mm	13	14 h/day	69 %	80 %	15 km/h
August	165 mm	15	13 h/day	61 %	80 %	16 km/h
September	97 mm	10	12 h/day	58 %	79 %	15 km/h
October	59 mm	6	11 h/day	51 %	75 %	15 km/h
November	65 mm	8	11 h/day	52 %	75 %	15 km/h
December	55 mm	7	10 h/day	49 %	74 %	16 km/h

How Jiaxing 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
Jiaxing	32 °C	0.9 °C	1,458 mm	136
Songjiang · China	32 °C	0.8 °C	1,371 mm	136
Qingpu · China	32 °C	0.6 °C	1,341 mm	136
Suzhou · China	32 °C	0.8 °C	1,418 mm	135
Huzhou · China	32 °C	0.8 °C	1,516 mm	134
Nanqiao · China	31 °C	1.8 °C	1,315 mm	123
Fengxiang · China	30 °C	2.3 °C	1,310 mm	114

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

QuestionsCommon questions about Jiaxing’s climate

When is the best time to visit Jiaxing?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, September, October 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 Jiaxing get?

In July, the warmest month, daily highs average 32 °C. About 62 days a year pass 30 °C. The highest value in the 1991–2020 record is 41 °C.

How cold does it get in winter?

Nights average 0.9 °C in January, the coldest month. A normal year has 29 nights below freezing.

Which month is wettest in Jiaxing?

June, averaging 287 mm over 16 days with rain. The driest month is December with 55 mm. The year as a whole averages 1,458 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 Jiaxing 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: 30.752°, 120.750° (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.