Cixi climate

Name: Cixi
Address: CN

Cixi is warmest in July, with average highs of 32 °C, and coldest in January, when nights average 2.2 °C. June is the wettest month (273 mm) and December the driest (61 mm). Figures are 1991–2020 climate normals.

Across a full year Cixi averages 1,426 mm of rain, 137 days above 25 °C and 19 days below freezing.

China · population 1,457,510 · 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 2.2 °C
Driest month December 61 mm
Wettest month June 273 mm
Least cloud December 51 % cloud
Hottest on record July 41 °C
Coldest on record December -7.3 °C
Warmest sea August 29 °C

What to expectCixi through the year

Cixi has a clear annual cycle: average daily highs run from 8.8 °C in January to 32 °C in July, a swing of 23 °C in mean temperature across the year.

Counted across a normal year, 137 days a year reach 25 °C, 65 of them reach 30 °C, 19 nights drop below freezing. The warmest reading in the 1991–2020 record is 41 °C, in July.

Rain is strongly seasonal. June averages 273 mm against 61 mm in December — 4.5 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Cixi is warmest in August at 29 °C and coldest in February at 7.4 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	8.8 °C	78 mm	60 %
February	10.7 °C	73 mm	62 %
March	14.6 °C	112 mm	67 %
April	20.3 °C	120 mm	68 %
May	25.0 °C	142 mm	69 %
June	27.8 °C	273 mm	81 %
July	32.5 °C	146 mm	68 %
August	32.0 °C	160 mm	60 %
September	27.6 °C	125 mm	59 %
October	22.8 °C	71 mm	52 %
November	17.6 °C	65 mm	55 %
December	11.3 °C	61 mm	51 %

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	8.8 °C	2.2 °C	5.5 °C	25.2 °C	-7.0 °C	0	0	9
February	10.7 °C	3.5 °C	7.0 °C	27.0 °C	-4.6 °C	0	0	5
March	14.6 °C	7.1 °C	10.6 °C	29.8 °C	-2.4 °C	1	0	1
April	20.3 °C	12.3 °C	15.9 °C	33.0 °C	1.9 °C	6	1	0
May	25.0 °C	17.4 °C	20.8 °C	37.7 °C	7.6 °C	15	3	0
June	27.8 °C	21.7 °C	24.4 °C	37.3 °C	13.4 °C	22	8	0
July	32.5 °C	25.7 °C	28.7 °C	40.9 °C	18.0 °C	30	24	0
August	32.0 °C	25.6 °C	28.4 °C	40.7 °C	18.1 °C	31	22	0
September	27.6 °C	21.8 °C	24.4 °C	38.0 °C	13.0 °C	24	6	0
October	22.8 °C	16.5 °C	19.5 °C	33.0 °C	5.2 °C	6	0	0
November	17.6 °C	10.8 °C	14.0 °C	30.4 °C	-0.9 °C	1	0	0
December	11.3 °C	4.3 °C	7.8 °C	24.7 °C	-7.3 °C	0	0	5

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	78 mm	10	10 h/day	60 %	76 %	18 km/h	8.5 °C
February	73 mm	10	11 h/day	62 %	76 %	18 km/h	7.4 °C
March	112 mm	13	12 h/day	67 %	76 %	19 km/h	9.6 °C
April	120 mm	12	13 h/day	68 %	76 %	19 km/h	13.6 °C
May	142 mm	12	14 h/day	69 %	78 %	18 km/h	19.1 °C
June	273 mm	16	14 h/day	81 %	84 %	17 km/h	23.3 °C
July	146 mm	12	14 h/day	68 %	78 %	18 km/h	27.1 °C
August	160 mm	15	13 h/day	60 %	79 %	19 km/h	28.5 °C
September	125 mm	12	12 h/day	59 %	78 %	19 km/h	26.3 °C
October	71 mm	6	11 h/day	52 %	75 %	18 km/h	22.1 °C
November	65 mm	8	11 h/day	55 %	75 %	17 km/h	17.5 °C
December	61 mm	7	10 h/day	51 %	74 %	18 km/h	12.5 °C

How Cixi 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
Cixi	32 °C	2.2 °C	1,426 mm	137
Shangyu · China	33 °C	1.3 °C	1,550 mm	147
Ningbo · China	32 °C	2.4 °C	1,586 mm	134
Shaoxing · China	33 °C	1.3 °C	1,573 mm	149
Fengxiang · China	30 °C	2.3 °C	1,310 mm	114
Jiaxing · China	32 °C	0.9 °C	1,458 mm	136
Nanqiao · China	31 °C	1.8 °C	1,315 mm	123

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

QuestionsCommon questions about Cixi’s climate

When is the best time to visit Cixi?

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 December the driest. The month-by-month table above has the full picture.

How hot does Cixi get?

In July, the warmest month, daily highs average 32 °C. About 65 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 2.2 °C in January, the coldest month. A normal year has 19 nights below freezing.

Which month is wettest in Cixi?

June, averaging 273 mm over 16 days with rain. The driest month is December with 61 mm. The year as a whole averages 1,426 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 Cixi 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: 30.176°, 121.246° (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.