Yanji climate

Name: Yanji
Address: CN

Yanji is warmest in July, with average highs of 26 °C, and coldest in January, when nights average -18 °C. July is the wettest month (150 mm) and January the driest (7.4 mm). Figures are 1991–2020 climate normals.

Across a full year Yanji averages 670 mm of rain, 66 days above 25 °C and 169 days below freezing.

China · population 326,957 · 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 26 °C
Coldest month January -18 °C
Driest month January 7 mm
Wettest month July 150 mm
Least cloud January 35 % cloud
Hottest on record August 39 °C
Coldest on record January -32 °C

What to expectYanji through the year

Yanji has a clear annual cycle: average daily highs run from -6.5 °C in January to 26 °C in July, a swing of 34 °C in mean temperature across the year.

Counted across a normal year, 66 days a year reach 25 °C, 12 of them reach 30 °C, 169 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in August.

Rain is strongly seasonal. July averages 150 mm against 7 mm in January — 20 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-6.5 °C	7 mm	35 %
February	-1.7 °C	11 mm	40 %
March	5.9 °C	22 mm	48 %
April	14.6 °C	44 mm	55 %
May	20.1 °C	80 mm	63 %
June	24.1 °C	87 mm	71 %
July	26.4 °C	150 mm	74 %
August	26.1 °C	136 mm	69 %
September	21.7 °C	63 mm	52 %
October	14.2 °C	37 mm	42 %
November	3.8 °C	25 mm	42 %
December	-4.7 °C	9 mm	40 %

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	-6.5 °C	-17.8 °C	-12.4 °C	5.6 °C	-32.1 °C	0	0	31
February	-1.7 °C	-14.0 °C	-8.3 °C	13.2 °C	-29.5 °C	0	0	28
March	5.9 °C	-5.6 °C	-0.4 °C	24.1 °C	-19.5 °C	0	0	29
April	14.6 °C	1.0 °C	7.4 °C	34.5 °C	-11.9 °C	1	0	13
May	20.1 °C	7.3 °C	13.5 °C	35.1 °C	-2.3 °C	5	1	1
June	24.1 °C	13.3 °C	18.3 °C	34.9 °C	4.8 °C	13	3	0
July	26.4 °C	17.6 °C	21.6 °C	37.6 °C	10.2 °C	21	5	0
August	26.1 °C	17.4 °C	21.4 °C	38.8 °C	7.1 °C	20	3	0
September	21.7 °C	10.7 °C	15.8 °C	31.4 °C	-0.8 °C	5	0	0
October	14.2 °C	2.8 °C	7.9 °C	28.4 °C	-13.4 °C	0	0	9
November	3.8 °C	-5.5 °C	-1.4 °C	21.0 °C	-23.5 °C	0	0	27
December	-4.7 °C	-14.4 °C	-9.8 °C	10.0 °C	-30.2 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	7 mm	1	9.4 h/day	35 %	60 %	17 km/h
February	11 mm	2	11 h/day	40 %	56 %	18 km/h
March	22 mm	5	12 h/day	48 %	50 %	19 km/h
April	44 mm	7	13 h/day	55 %	57 %	18 km/h
May	80 mm	12	15 h/day	63 %	69 %	16 km/h
June	87 mm	12	15 h/day	71 %	78 %	13 km/h
July	150 mm	14	15 h/day	74 %	83 %	12 km/h
August	136 mm	13	14 h/day	69 %	82 %	12 km/h
September	63 mm	8	13 h/day	52 %	75 %	13 km/h
October	37 mm	6	11 h/day	42 %	66 %	15 km/h
November	25 mm	5	9.7 h/day	42 %	59 %	16 km/h
December	9 mm	2	9.0 h/day	40 %	59 %	17 km/h

How Yanji 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
Yanji	26 °C	-18 °C	670 mm	66
Chongjin · North Korea	24 °C	-12 °C	1,021 mm	18
Mudanjiang · China	27 °C	-21 °C	633 mm	61
Vladivostok · Russia	22 °C	-13 °C	694 mm	4
Hyesan · North Korea	25 °C	-22 °C	774 mm	40
Ussuriysk · Russia	25 °C	-20 °C	676 mm	40

Where Yanji ranks

Ranking	Position	Value
The coolest places in Asia in November	44th of 50	3.8 °C
The coolest places in Asia in December	45th of 50	-4.7 °C
The coolest places in Asia in January	45th of 50	-6.5 °C
The coolest places in Asia in February	50th of 50	-1.7 °C
The coolest places in Asia year-round	50th of 50	12 °C

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

QuestionsCommon questions about Yanji’s climate

When is the best time to visit Yanji?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does Yanji get?

In July, the warmest month, daily highs average 26 °C. About 12 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 -18 °C in January, the coldest month. A normal year has 169 nights below freezing.

Which month is wettest in Yanji?

July, averaging 150 mm over 14 days with rain. The driest month is January with 7 mm. The year as a whole averages 670 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 Yanji 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: 42.888°, 129.502° (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.