Taiyuan climate

Name: Taiyuan
Address: CN

Taiyuan is warmest in July, with average highs of 30 °C, and coldest in January, when nights average -9.2 °C. July is the wettest month (113 mm) and December the driest (3.2 mm). Figures are 1991–2020 climate normals.

Across a full year Taiyuan averages 477 mm of rain, 112 days above 25 °C and 130 days below freezing.

China · population 4,303,673 · 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 -9.2 °C
Driest month December 3 mm
Wettest month July 113 mm
Least cloud December 29 % cloud
Hottest on record June 41 °C
Coldest on record January -23 °C

What to expectTaiyuan through the year

Taiyuan has a clear annual cycle: average daily highs run from 2.5 °C in January to 30 °C in July, a swing of 28 °C in mean temperature across the year.

Counted across a normal year, 112 days a year reach 25 °C, 45 of them reach 30 °C, 130 nights drop below freezing. The warmest reading in the 1991–2020 record is 41 °C, in June.

Rain is strongly seasonal. July averages 113 mm against 3 mm in December — 36 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	2.5 °C	4 mm	34 %
February	6.3 °C	7 mm	40 %
March	12.4 °C	16 mm	45 %
April	19.5 °C	30 mm	47 %
May	25.3 °C	35 mm	51 %
June	29.2 °C	54 mm	55 %
July	29.8 °C	113 mm	57 %
August	27.9 °C	99 mm	54 %
September	23.4 °C	66 mm	52 %
October	17.4 °C	34 mm	42 %
November	9.6 °C	15 mm	32 %
December	3.3 °C	3 mm	29 %

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	2.5 °C	-9.2 °C	-3.7 °C	13.2 °C	-23.5 °C	0	0	31
February	6.3 °C	-5.2 °C	0.0 °C	18.7 °C	-15.4 °C	0	0	27
March	12.4 °C	-0.5 °C	5.6 °C	27.1 °C	-14.7 °C	0	0	17
April	19.5 °C	5.7 °C	12.4 °C	35.3 °C	-5.6 °C	5	1	3
May	25.3 °C	11.9 °C	18.6 °C	37.0 °C	0.8 °C	18	5	0
June	29.2 °C	17.0 °C	22.9 °C	40.9 °C	7.8 °C	26	13	0
July	29.8 °C	19.6 °C	24.4 °C	40.3 °C	12.2 °C	28	16	0
August	27.9 °C	18.0 °C	22.7 °C	36.1 °C	10.4 °C	25	9	0
September	23.4 °C	13.0 °C	17.9 °C	34.3 °C	2.6 °C	10	1	0
October	17.4 °C	6.2 °C	11.4 °C	28.4 °C	-4.2 °C	1	0	2
November	9.6 °C	-1.2 °C	3.6 °C	21.5 °C	-14.9 °C	0	0	19
December	3.3 °C	-7.1 °C	-2.4 °C	14.0 °C	-23.1 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	4 mm	1	9.8 h/day	34 %	42 %	12 km/h
February	7 mm	2	11 h/day	40 %	43 %	14 km/h
March	16 mm	4	12 h/day	45 %	45 %	16 km/h
April	30 mm	5	13 h/day	47 %	45 %	17 km/h
May	35 mm	6	14 h/day	51 %	45 %	16 km/h
June	54 mm	9	15 h/day	55 %	54 %	14 km/h
July	113 mm	13	15 h/day	57 %	68 %	12 km/h
August	99 mm	11	14 h/day	54 %	71 %	11 km/h
September	66 mm	8	12 h/day	52 %	66 %	12 km/h
October	34 mm	5	11 h/day	42 %	61 %	12 km/h
November	15 mm	3	10 h/day	32 %	55 %	13 km/h
December	3 mm	1	9.6 h/day	29 %	45 %	12 km/h

How Taiyuan 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
Taiyuan	30 °C	-9.2 °C	477 mm	112
Jinzhong · China	29 °C	-9.1 °C	438 mm	108
Xinzhou · China	28 °C	-12 °C	474 mm	97
Yangquan · China	29 °C	-8.8 °C	538 mm	104
Lüliang · China	30 °C	-9.5 °C	568 mm	105
Shuozhou · China	27 °C	-15 °C	539 mm	77
Shijiazhuang · China	32 °C	-6.7 °C	519 mm	146

Where Taiyuan ranks

Ranking	Position	Value
Places with the best weather in Asia in May	39th of 50	93/100

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

QuestionsCommon questions about Taiyuan’s climate

When is the best time to visit Taiyuan?

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 Taiyuan get?

In July, the warmest month, daily highs average 30 °C. About 45 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 -9.2 °C in January, the coldest month. A normal year has 130 nights below freezing.

Which month is wettest in Taiyuan?

July, averaging 113 mm over 13 days with rain. The driest month is December with 3 mm. The year as a whole averages 477 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 Taiyuan 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: 37.869°, 112.560° (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.