Changyuan climate

Name: Changyuan
Address: CN

Changyuan is warmest in July, with average highs of 31 °C, and coldest in January, when nights average 4.8 °C. July is the wettest month (203 mm) and January the driest (22 mm). Figures are 1991–2020 climate normals.

Across a full year Changyuan averages 1,162 mm of rain, 141 days above 25 °C and 1 days below freezing.

China · population 186,653 · 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 31 °C
Coldest month January 4.8 °C
Driest month January 22 mm
Wettest month July 203 mm
Least cloud August 69 % cloud
Hottest on record August 42 °C
Coldest on record December -2.7 °C

What to expectChangyuan through the year

Changyuan has a clear annual cycle: average daily highs run from 11 °C in January to 31 °C in July, a swing of 20 °C in mean temperature across the year.

Counted across a normal year, 141 days a year reach 25 °C, 67 of them reach 30 °C, 1 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in August.

Rain is strongly seasonal. July averages 203 mm against 22 mm in January — 9.1 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	10.9 °C	22 mm	78 %
February	13.6 °C	26 mm	78 %
March	17.9 °C	55 mm	77 %
April	22.9 °C	90 mm	75 %
May	26.2 °C	122 mm	74 %
June	28.5 °C	174 mm	78 %
July	31.3 °C	203 mm	75 %
August	31.3 °C	180 mm	69 %
September	27.0 °C	126 mm	71 %
October	21.4 °C	87 mm	80 %
November	17.1 °C	51 mm	75 %
December	12.0 °C	27 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	10.9 °C	4.8 °C	8.0 °C	18.8 °C	-2.5 °C	0	0	1
February	13.6 °C	6.6 °C	10.2 °C	25.5 °C	-0.6 °C	0	0	0
March	17.9 °C	10.1 °C	14.1 °C	33.2 °C	2.3 °C	2	0	0
April	22.9 °C	14.9 °C	18.8 °C	34.5 °C	5.5 °C	10	2	0
May	26.2 °C	18.6 °C	22.2 °C	35.8 °C	8.2 °C	20	5	0
June	28.5 °C	21.7 °C	25.0 °C	36.6 °C	15.4 °C	25	11	0
July	31.3 °C	24.2 °C	27.6 °C	39.7 °C	18.0 °C	30	22	0
August	31.3 °C	24.0 °C	27.4 °C	41.6 °C	18.4 °C	29	21	0
September	27.0 °C	20.4 °C	23.6 °C	40.9 °C	13.0 °C	19	7	0
October	21.4 °C	15.8 °C	18.5 °C	32.2 °C	8.0 °C	6	0	0
November	17.1 °C	11.1 °C	14.1 °C	26.3 °C	2.7 °C	0	0	0
December	12.0 °C	6.3 °C	9.2 °C	18.8 °C	-2.7 °C	0	0	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	22 mm	7	10 h/day	78 %	77 %	9.8 km/h
February	26 mm	7	11 h/day	78 %	76 %	11 km/h
March	55 mm	11	12 h/day	77 %	74 %	12 km/h
April	90 mm	13	13 h/day	75 %	75 %	13 km/h
May	122 mm	15	14 h/day	74 %	75 %	13 km/h
June	174 mm	16	14 h/day	78 %	80 %	11 km/h
July	203 mm	18	14 h/day	75 %	80 %	11 km/h
August	180 mm	16	13 h/day	69 %	77 %	11 km/h
September	126 mm	15	12 h/day	71 %	79 %	11 km/h
October	87 mm	16	11 h/day	80 %	81 %	10 km/h
November	51 mm	10	11 h/day	75 %	79 %	10 km/h
December	27 mm	8	10 h/day	77 %	78 %	10.0 km/h

How Changyuan 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
Changyuan	31 °C	4.8 °C	1,162 mm	141
Yongchuan · China	32 °C	4.7 °C	1,213 mm	139
Neijiang · China	31 °C	4.1 °C	1,044 mm	140
Luzhou · China	32 °C	5.5 °C	1,166 mm	145
Bishan · China	32 °C	4.8 °C	1,168 mm	140
Jijiang · China	32 °C	5.4 °C	1,130 mm	145
Bachuan · China	32 °C	4.5 °C	1,244 mm	139

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

QuestionsCommon questions about Changyuan’s climate

When is the best time to visit Changyuan?

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

How hot does Changyuan get?

In July, the warmest month, daily highs average 31 °C. About 67 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 4.8 °C in January, the coldest month. A normal year has 1 nights below freezing.

Which month is wettest in Changyuan?

July, averaging 203 mm over 18 days with rain. The driest month is January with 22 mm. The year as a whole averages 1,162 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 Changyuan 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.