Yan’an climate

Name: Yan’an
Address: CN

Yan’an is warmest in July, with average highs of 30 °C, and coldest in January, when nights average -8.6 °C. August is the wettest month (131 mm) and December the driest (4.7 mm). Figures are 1991–2020 climate normals.

Across a full year Yan’an averages 610 mm of rain, 109 days above 25 °C and 132 days below freezing.

China · population 475,234 · 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 -8.6 °C
Driest month December 5 mm
Wettest month August 131 mm
Least cloud December 36 % cloud
Hottest on record July 39 °C
Coldest on record December -24 °C

What to expectYan’an through the year

Yan’an 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, 109 days a year reach 25 °C, 39 of them reach 30 °C, 132 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in July.

Rain is strongly seasonal. August averages 131 mm against 5 mm in December — 28 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	6 mm	42 %
February	6.6 °C	10 mm	48 %
March	12.7 °C	21 mm	53 %
April	19.8 °C	37 mm	53 %
May	24.7 °C	47 mm	57 %
June	28.8 °C	61 mm	57 %
July	29.6 °C	130 mm	56 %
August	27.5 °C	131 mm	54 %
September	22.9 °C	85 mm	57 %
October	17.1 °C	55 mm	51 %
November	10.3 °C	22 mm	40 %
December	3.9 °C	5 mm	36 %

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	-8.6 °C	-3.4 °C	15.8 °C	-21.6 °C	0	0	31
February	6.6 °C	-5.3 °C	0.3 °C	20.1 °C	-20.0 °C	0	0	27
March	12.7 °C	-0.4 °C	6.1 °C	27.8 °C	-13.7 °C	0	0	18
April	19.8 °C	6.0 °C	13.0 °C	35.7 °C	-5.4 °C	5	1	2
May	24.7 °C	11.7 °C	18.4 °C	34.9 °C	0.7 °C	16	3	0
June	28.8 °C	16.6 °C	22.8 °C	38.0 °C	8.3 °C	25	12	0
July	29.6 °C	19.1 °C	24.3 °C	38.6 °C	12.5 °C	28	15	0
August	27.5 °C	17.6 °C	22.5 °C	34.5 °C	9.4 °C	25	7	0
September	22.9 °C	12.6 °C	17.7 °C	35.4 °C	2.1 °C	9	1	0
October	17.1 °C	5.6 °C	11.3 °C	28.9 °C	-5.5 °C	0	0	2
November	10.3 °C	-1.5 °C	4.1 °C	22.1 °C	-16.8 °C	0	0	20
December	3.9 °C	-6.7 °C	-2.0 °C	15.4 °C	-23.6 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	6 mm	2	9.9 h/day	42 %	47 %	14 km/h
February	10 mm	3	11 h/day	48 %	49 %	15 km/h
March	21 mm	5	12 h/day	53 %	49 %	18 km/h
April	37 mm	6	13 h/day	53 %	46 %	19 km/h
May	47 mm	7	14 h/day	57 %	46 %	18 km/h
June	61 mm	8	15 h/day	57 %	52 %	16 km/h
July	130 mm	13	14 h/day	56 %	66 %	14 km/h
August	131 mm	12	14 h/day	54 %	71 %	13 km/h
September	85 mm	10	12 h/day	57 %	69 %	14 km/h
October	55 mm	8	11 h/day	51 %	64 %	14 km/h
November	22 mm	4	10 h/day	40 %	60 %	14 km/h
December	5 mm	1	9.7 h/day	36 %	49 %	14 km/h

How Yan’an 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
Yan’an	30 °C	-8.6 °C	610 mm	109
Tongchuanshi · China	30 °C	-4.7 °C	613 mm	113
Lüliang · China	30 °C	-9.5 °C	568 mm	105
Linfen · China	31 °C	-5.9 °C	633 mm	131
Qingyang · China	27 °C	-9.0 °C	642 mm	76
Tongchuan · China	31 °C	-5.0 °C	608 mm	118
Yongji · China	33 °C	-3.8 °C	680 mm	144

Planning a trip? See the best time to visit Yan’an.

QuestionsCommon questions about Yan’an’s climate

When is the best time to visit Yan’an?

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 Yan’an get?

In July, the warmest month, daily highs average 30 °C. About 39 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

Nights average -8.6 °C in January, the coldest month. A normal year has 132 nights below freezing.

Which month is wettest in Yan’an?

August, averaging 131 mm over 12 days with rain. The driest month is December with 5 mm. The year as a whole averages 610 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 Yan’an 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: 36.599°, 109.492° (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.