Jinchang climate

Name: Jinchang
Address: CN

Jinchang is warmest in July, with average highs of 29 °C, and coldest in January, when nights average -13 °C. August is the wettest month (41 mm) and December the driest (0.9 mm). Figures are 1991–2020 climate normals.

Across a full year Jinchang averages 181 mm of rain, 93 days above 25 °C and 155 days below freezing.

China · population 228,561 · 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 29 °C
Coldest month January -13 °C
Driest month December 1 mm
Wettest month August 41 mm
Least cloud November 28 % cloud
Hottest on record July 41 °C
Coldest on record January -22 °C

What to expectJinchang through the year

Jinchang has a clear annual cycle: average daily highs run from -1.1 °C in January to 29 °C in July, a swing of 31 °C in mean temperature across the year.

Counted across a normal year, 93 days a year reach 25 °C, 36 of them reach 30 °C, 155 nights drop below freezing. The warmest reading in the 1991–2020 record is 41 °C, in July.

Rain is strongly seasonal. August averages 41 mm against 1 mm in December — 47 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-1.1 °C	1 mm	36 %
February	3.5 °C	2 mm	43 %
March	10.3 °C	4 mm	48 %
April	17.8 °C	8 mm	50 %
May	23.0 °C	16 mm	55 %
June	27.6 °C	23 mm	57 %
July	29.4 °C	39 mm	50 %
August	27.3 °C	41 mm	47 %
September	21.8 °C	32 mm	48 %
October	15.1 °C	11 mm	37 %
November	7.3 °C	2 mm	28 %
December	0.5 °C	1 mm	30 %

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	-1.1 °C	-12.6 °C	-6.7 °C	14.0 °C	-21.7 °C	0	0	31
February	3.5 °C	-9.0 °C	-2.2 °C	18.5 °C	-21.6 °C	0	0	28
March	10.3 °C	-3.1 °C	4.4 °C	25.7 °C	-17.6 °C	0	0	24
April	17.8 °C	3.7 °C	11.7 °C	32.5 °C	-7.1 °C	3	0	5
May	23.0 °C	9.6 °C	17.2 °C	34.2 °C	-2.1 °C	12	2	0
June	27.6 °C	15.2 °C	22.2 °C	36.1 °C	4.9 °C	23	9	0
July	29.4 °C	17.7 °C	24.1 °C	41.0 °C	10.8 °C	26	15	0
August	27.3 °C	15.9 °C	22.1 °C	38.8 °C	6.6 °C	22	9	0
September	21.8 °C	10.4 °C	16.6 °C	35.1 °C	-0.3 °C	8	1	0
October	15.1 °C	2.7 °C	9.3 °C	28.0 °C	-11.0 °C	0	0	7
November	7.3 °C	-4.8 °C	1.3 °C	18.8 °C	-16.9 °C	0	0	28
December	0.5 °C	-10.9 °C	-5.2 °C	12.7 °C	-21.3 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	1 mm	0	9.8 h/day	36 %	45 %	14 km/h
February	2 mm	0	11 h/day	43 %	38 %	16 km/h
March	4 mm	1	12 h/day	48 %	33 %	20 km/h
April	8 mm	2	13 h/day	50 %	29 %	22 km/h
May	16 mm	4	14 h/day	55 %	32 %	22 km/h
June	23 mm	5	15 h/day	57 %	36 %	21 km/h
July	39 mm	7	15 h/day	50 %	44 %	19 km/h
August	41 mm	7	14 h/day	47 %	49 %	18 km/h
September	32 mm	7	12 h/day	48 %	52 %	17 km/h
October	11 mm	3	11 h/day	37 %	47 %	16 km/h
November	2 mm	0	10 h/day	28 %	41 %	16 km/h
December	1 mm	0	9.5 h/day	30 %	43 %	15 km/h

How Jinchang 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
Jinchang	29 °C	-13 °C	181 mm	93
Wuwei · China	28 °C	-12 °C	204 mm	86
Zhangye · China	29 °C	-14 °C	166 mm	91
Xining · China	23 °C	-13 °C	485 mm	23
Nianbo · China	25 °C	-14 °C	523 mm	39
Baiyin · China	28 °C	-12 °C	325 mm	74
Lanzhou · China	29 °C	-8.7 °C	441 mm	98

Where Jinchang ranks

Ranking	Position	Value
The driest places in Asia in November	12th of 50	2.1 mm
The driest places in Asia in December	14th of 50	0.9 mm
Places with the best weather in Asia in August	32nd of 50	86/100
The driest places in Asia in January	34th of 50	1.4 mm
Places with the best weather in Asia in September	43rd of 50	94/100
The driest places in Asia in February	46th of 50	1.7 mm

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

QuestionsCommon questions about Jinchang’s climate

When is the best time to visit Jinchang?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, August 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 Jinchang get?

In July, the warmest month, daily highs average 29 °C. About 36 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 -13 °C in January, the coldest month. A normal year has 155 nights below freezing.

Which month is wettest in Jinchang?

August, averaging 41 mm over 7 days with rain. The driest month is December with 1 mm. The year as a whole averages 181 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 Jinchang 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: 38.501°, 102.194° (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.