Hechuan climate

Name: Hechuan
Address: CN

Hechuan is warmest in August, with average highs of 32 °C, and coldest in January, when nights average 4.6 °C. July is the wettest month (183 mm) and January the driest (26 mm). Figures are 1991–2020 climate normals.

Across a full year Hechuan averages 1,200 mm of rain, 142 days above 25 °C and 2 days below freezing.

China · population 377,213 · 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 August 32 °C
Coldest month January 4.6 °C
Driest month January 26 mm
Wettest month July 183 mm
Least cloud August 66 % cloud
Hottest on record August 43 °C
Coldest on record December -3.8 °C

What to expectHechuan through the year

Hechuan has a clear annual cycle: average daily highs run from 11 °C in January to 32 °C in August, a swing of 20 °C in mean temperature across the year.

Counted across a normal year, 142 days a year reach 25 °C, 72 of them reach 30 °C, 2 nights drop below freezing. The warmest reading in the 1991–2020 record is 43 °C, in August.

Rain is strongly seasonal. July averages 183 mm against 26 mm in January — 7.0 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	11.1 °C	26 mm	78 %
February	13.6 °C	30 mm	78 %
March	17.8 °C	66 mm	77 %
April	22.8 °C	109 mm	75 %
May	26.1 °C	146 mm	74 %
June	28.7 °C	176 mm	77 %
July	31.9 °C	183 mm	72 %
August	32.2 °C	155 mm	66 %
September	27.5 °C	117 mm	70 %
October	21.6 °C	98 mm	78 %
November	17.3 °C	60 mm	75 %
December	12.2 °C	34 mm	77 %

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	11.1 °C	4.6 °C	8.1 °C	19.2 °C	-2.1 °C	0	0	1
February	13.6 °C	6.5 °C	10.2 °C	24.3 °C	-1.4 °C	0	0	0
March	17.8 °C	9.9 °C	14.0 °C	31.1 °C	1.8 °C	2	0	0
April	22.8 °C	14.7 °C	18.8 °C	34.0 °C	4.0 °C	10	2	0
May	26.1 °C	18.6 °C	22.3 °C	37.6 °C	8.5 °C	19	5	0
June	28.7 °C	22.0 °C	25.3 °C	36.2 °C	13.5 °C	26	11	0
July	31.9 °C	24.9 °C	28.3 °C	39.6 °C	17.9 °C	30	23	0
August	32.2 °C	24.9 °C	28.4 °C	42.5 °C	17.5 °C	29	22	0
September	27.5 °C	20.9 °C	24.1 °C	41.9 °C	13.3 °C	20	9	0
October	21.6 °C	15.9 °C	18.7 °C	33.0 °C	8.7 °C	6	1	0
November	17.3 °C	11.1 °C	14.2 °C	27.4 °C	2.1 °C	0	0	0
December	12.2 °C	6.2 °C	9.3 °C	19.4 °C	-3.8 °C	0	0	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	26 mm	7	10 h/day	78 %	78 %	8.9 km/h
February	30 mm	7	11 h/day	78 %	76 %	9.7 km/h
March	66 mm	12	12 h/day	77 %	75 %	11 km/h
April	109 mm	14	13 h/day	75 %	76 %	11 km/h
May	146 mm	15	14 h/day	74 %	78 %	11 km/h
June	176 mm	16	14 h/day	77 %	81 %	9.8 km/h
July	183 mm	15	14 h/day	72 %	79 %	11 km/h
August	155 mm	14	13 h/day	66 %	75 %	11 km/h
September	117 mm	13	12 h/day	70 %	78 %	10 km/h
October	98 mm	15	11 h/day	78 %	82 %	8.9 km/h
November	60 mm	10	11 h/day	75 %	80 %	9.3 km/h
December	34 mm	9	10 h/day	77 %	79 %	9.0 km/h

How Hechuan 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
Hechuan	32 °C	4.6 °C	1,200 mm	142
Beibei · China	32 °C	5.0 °C	1,290 mm	143
Bachuan · China	32 °C	4.5 °C	1,244 mm	139
Bishan · China	32 °C	4.8 °C	1,168 mm	140
Zitong · China	32 °C	3.8 °C	1,138 mm	142
Chongqing · China	32 °C	4.6 °C	1,252 mm	140
Guang’an · China	32 °C	4.1 °C	1,392 mm	141

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

QuestionsCommon questions about Hechuan’s climate

When is the best time to visit Hechuan?

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, August is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does Hechuan get?

In August, the warmest month, daily highs average 32 °C. About 72 days a year pass 30 °C. The highest value in the 1991–2020 record is 43 °C.

How cold does it get in winter?

Nights average 4.6 °C in January, the coldest month. A normal year has 2 nights below freezing.

Which month is wettest in Hechuan?

July, averaging 183 mm over 15 days with rain. The driest month is January with 26 mm. The year as a whole averages 1,200 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 Hechuan 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: 29.992°, 106.265° (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.