Tongchuanshi climate

Name: Tongchuanshi
Address: CN

Tongchuanshi is warmest in July, with average highs of 30 °C, and coldest in January, when nights average -4.7 °C. August is the wettest month (110 mm) and December the driest (7.2 mm). Figures are 1991–2020 climate normals.

Across a full year Tongchuanshi averages 613 mm of rain, 113 days above 25 °C and 100 days below freezing.

China · population 223,603 · 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 30 °C
Coldest month January -4.7 °C
Driest month December 7 mm
Wettest month August 110 mm
Least cloud December 39 % cloud
Hottest on record June 40 °C
Coldest on record December -20 °C

What to expectTongchuanshi through the year

Tongchuanshi has a clear annual cycle: average daily highs run from 4.7 °C in January to 30 °C in July, a swing of 26 °C in mean temperature across the year.

Counted across a normal year, 113 days a year reach 25 °C, 47 of them reach 30 °C, 100 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in June.

Rain is strongly seasonal. August averages 110 mm against 7 mm in December — 15 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	4.7 °C	8 mm	46 %
February	8.1 °C	13 mm	53 %
March	13.9 °C	23 mm	58 %
April	20.6 °C	37 mm	58 %
May	25.3 °C	51 mm	64 %
June	29.3 °C	67 mm	61 %
July	30.1 °C	106 mm	57 %
August	28.2 °C	110 mm	55 %
September	23.2 °C	105 mm	60 %
October	17.8 °C	60 mm	57 %
November	11.6 °C	28 mm	45 %
December	6.1 °C	7 mm	39 %

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	4.7 °C	-4.7 °C	-0.5 °C	17.1 °C	-17.7 °C	0	0	30
February	8.1 °C	-2.2 °C	2.8 °C	20.1 °C	-14.8 °C	0	0	22
March	13.9 °C	2.6 °C	8.3 °C	27.8 °C	-8.6 °C	0	0	8
April	20.6 °C	9.0 °C	14.8 °C	35.5 °C	-2.4 °C	6	1	0
May	25.3 °C	14.2 °C	19.8 °C	36.1 °C	4.1 °C	17	4	0
June	29.3 °C	19.0 °C	24.2 °C	39.8 °C	9.0 °C	26	14	0
July	30.1 °C	21.3 °C	25.6 °C	37.6 °C	14.0 °C	28	17	0
August	28.2 °C	20.0 °C	23.9 °C	36.4 °C	12.2 °C	26	10	0
September	23.2 °C	15.2 °C	19.0 °C	36.3 °C	5.3 °C	9	1	0
October	17.8 °C	8.9 °C	13.2 °C	28.9 °C	-1.8 °C	1	0	0
November	11.6 °C	1.6 °C	6.4 °C	22.7 °C	-12.0 °C	0	0	11
December	6.1 °C	-3.3 °C	0.8 °C	16.4 °C	-20.1 °C	0	0	29

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	8 mm	2	10 h/day	46 %	52 %	12 km/h
February	13 mm	3	11 h/day	53 %	56 %	13 km/h
March	23 mm	6	12 h/day	58 %	54 %	16 km/h
April	37 mm	6	13 h/day	58 %	51 %	16 km/h
May	51 mm	8	14 h/day	64 %	52 %	16 km/h
June	67 mm	8	15 h/day	61 %	56 %	15 km/h
July	106 mm	11	14 h/day	57 %	69 %	13 km/h
August	110 mm	11	13 h/day	55 %	73 %	13 km/h
September	105 mm	11	12 h/day	60 %	73 %	13 km/h
October	60 mm	9	11 h/day	57 %	69 %	13 km/h
November	28 mm	5	10 h/day	45 %	65 %	12 km/h
December	7 mm	2	9.8 h/day	39 %	55 %	12 km/h

How Tongchuanshi 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
Tongchuanshi	30 °C	-4.7 °C	613 mm	113
Tongchuan · China	31 °C	-5.0 °C	608 mm	118
Weinan · China	33 °C	-3.5 °C	614 mm	144
Xianyang · China	31 °C	-4.0 °C	845 mm	125
Xi’an · China	32 °C	-4.1 °C	797 mm	128
Huayin · China	32 °C	-3.0 °C	994 mm	145
Yongji · China	33 °C	-3.8 °C	680 mm	144

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

QuestionsCommon questions about Tongchuanshi’s climate

When is the best time to visit Tongchuanshi?

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

In July, the warmest month, daily highs average 30 °C. About 47 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average -4.7 °C in January, the coldest month. A normal year has 100 nights below freezing.

Which month is wettest in Tongchuanshi?

August, averaging 110 mm over 11 days with rain. The driest month is December with 7 mm. The year as a whole averages 613 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 Tongchuanshi 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: 35.075°, 109.085° (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.