Bachuan climate

Name: Bachuan
Address: CN

Bachuan is warmest in August, with average highs of 32 °C, and coldest in January, when nights average 4.5 °C. July is the wettest month (187 mm) and January the driest (29 mm). Figures are 1991–2020 climate normals.

Across a full year Bachuan averages 1,244 mm of rain, 139 days above 25 °C and 2 days below freezing.

China · population 208,520 · 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 4.5 °C
Driest month January 29 mm
Wettest month July 187 mm
Least cloud August 67 % cloud
Hottest on record August 42 °C
Coldest on record December -4.0 °C

What to expectBachuan through the year

Bachuan 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, 139 days a year reach 25 °C, 68 of them reach 30 °C, 2 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in August.

Rain is strongly seasonal. July averages 187 mm against 29 mm in January — 6.5 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	10.8 °C	29 mm	79 %
February	13.3 °C	31 mm	79 %
March	17.6 °C	67 mm	77 %
April	22.6 °C	110 mm	75 %
May	25.9 °C	143 mm	74 %
June	28.5 °C	186 mm	77 %
July	31.5 °C	187 mm	73 %
August	31.8 °C	166 mm	67 %
September	27.2 °C	128 mm	70 %
October	21.3 °C	98 mm	79 %
November	17.0 °C	64 mm	76 %
December	11.9 °C	34 mm	78 %

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	10.8 °C	4.5 °C	7.8 °C	18.6 °C	-3.2 °C	0	0	1
February	13.3 °C	6.4 °C	10.0 °C	24.1 °C	-1.5 °C	0	0	0
March	17.6 °C	9.8 °C	13.8 °C	31.3 °C	2.1 °C	2	0	0
April	22.6 °C	14.5 °C	18.6 °C	34.2 °C	4.2 °C	9	1	0
May	25.9 °C	18.4 °C	22.0 °C	37.5 °C	8.6 °C	18	4	0
June	28.5 °C	21.7 °C	25.0 °C	35.7 °C	13.7 °C	25	10	0
July	31.5 °C	24.6 °C	27.9 °C	39.5 °C	18.0 °C	30	22	0
August	31.8 °C	24.5 °C	28.0 °C	42.3 °C	18.2 °C	29	21	0
September	27.2 °C	20.6 °C	23.8 °C	41.1 °C	13.1 °C	19	8	0
October	21.3 °C	15.8 °C	18.5 °C	32.6 °C	8.7 °C	6	0	0
November	17.0 °C	10.9 °C	14.0 °C	27.0 °C	2.2 °C	0	0	0
December	11.9 °C	6.0 °C	9.1 °C	19.1 °C	-4.0 °C	0	0	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	29 mm	8	10 h/day	79 %	78 %	9.1 km/h
February	31 mm	8	11 h/day	79 %	76 %	9.9 km/h
March	67 mm	12	12 h/day	77 %	75 %	11 km/h
April	110 mm	14	13 h/day	75 %	76 %	12 km/h
May	143 mm	16	14 h/day	74 %	77 %	12 km/h
June	186 mm	16	14 h/day	77 %	81 %	10 km/h
July	187 mm	16	14 h/day	73 %	79 %	11 km/h
August	166 mm	15	13 h/day	67 %	75 %	11 km/h
September	128 mm	14	12 h/day	70 %	78 %	11 km/h
October	98 mm	16	11 h/day	79 %	81 %	9.2 km/h
November	64 mm	11	11 h/day	76 %	80 %	9.5 km/h
December	34 mm	9	10 h/day	78 %	79 %	9.3 km/h

How Bachuan 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
Bachuan	32 °C	4.5 °C	1,244 mm	139
Hechuan · China	32 °C	4.6 °C	1,200 mm	142
Bishan · China	32 °C	4.8 °C	1,168 mm	140
Beibei · China	32 °C	5.0 °C	1,290 mm	143
Zitong · China	32 °C	3.8 °C	1,138 mm	142
Yongchuan · China	32 °C	4.7 °C	1,213 mm	139
Chongqing · China	32 °C	4.6 °C	1,252 mm	140

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

QuestionsCommon questions about Bachuan’s climate

When is the best time to visit Bachuan?

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 Bachuan get?

In August, the warmest month, daily highs average 32 °C. About 68 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 4.5 °C in January, the coldest month. A normal year has 2 nights below freezing.

Which month is wettest in Bachuan?

July, averaging 187 mm over 16 days with rain. The driest month is January with 29 mm. The year as a whole averages 1,244 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 Bachuan 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: 29.849°, 106.050° (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.