Jiamusi climate

Name: Jiamusi
Address: CN

Jiamusi is warmest in July, with average highs of 27 °C, and coldest in January, when nights average -25 °C. July is the wettest month (124 mm) and January the driest (5.6 mm). Figures are 1991–2020 climate normals.

Across a full year Jiamusi averages 583 mm of rain, 59 days above 25 °C and 177 days below freezing.

China · population 549,549 · 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 27 °C
Coldest month January -25 °C
Driest month January 6 mm
Wettest month July 124 mm
Least cloud January 38 % cloud
Hottest on record June 36 °C
Coldest on record January -43 °C

What to expectJiamusi through the year

Jiamusi has a clear annual cycle: average daily highs run from -13 °C in January to 27 °C in July, a swing of 42 °C in mean temperature across the year.

Counted across a normal year, 59 days a year reach 25 °C, 10 of them reach 30 °C, 177 nights drop below freezing. The warmest reading in the 1991–2020 record is 36 °C, in June.

Rain is strongly seasonal. July averages 124 mm against 6 mm in January — 22 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-13.3 °C	6 mm	38 %
February	-7.4 °C	6 mm	42 %
March	1.8 °C	18 mm	51 %
April	12.4 °C	35 mm	57 %
May	19.7 °C	64 mm	62 %
June	24.6 °C	88 mm	65 %
July	26.8 °C	124 mm	66 %
August	24.9 °C	117 mm	63 %
September	19.9 °C	59 mm	49 %
October	10.8 °C	39 mm	43 %
November	-1.2 °C	17 mm	43 %
December	-11.8 °C	10 mm	41 %

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	-13.3 °C	-25.2 °C	-19.3 °C	0.1 °C	-42.7 °C	0	0	31
February	-7.4 °C	-20.9 °C	-14.1 °C	7.5 °C	-36.9 °C	0	0	28
March	1.8 °C	-9.8 °C	-4.2 °C	18.4 °C	-29.3 °C	0	0	30
April	12.4 °C	0.3 °C	6.2 °C	28.8 °C	-12.8 °C	0	0	15
May	19.7 °C	8.1 °C	13.9 °C	32.8 °C	-2.5 °C	5	1	0
June	24.6 °C	14.7 °C	19.6 °C	36.1 °C	5.7 °C	13	3	0
July	26.8 °C	18.3 °C	22.4 °C	35.3 °C	11.0 °C	22	5	0
August	24.9 °C	16.8 °C	20.7 °C	33.4 °C	7.1 °C	16	2	0
September	19.9 °C	10.3 °C	14.8 °C	29.8 °C	0.5 °C	3	0	0
October	10.8 °C	1.4 °C	5.7 °C	26.0 °C	-15.5 °C	0	0	12
November	-1.2 °C	-9.8 °C	-5.7 °C	15.0 °C	-28.8 °C	0	0	29
December	-11.8 °C	-21.8 °C	-16.8 °C	6.4 °C	-36.6 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	6 mm	2	9.0 h/day	38 %	70 %	14 km/h
February	6 mm	2	10 h/day	42 %	67 %	16 km/h
March	18 mm	4	12 h/day	51 %	54 %	18 km/h
April	35 mm	7	14 h/day	57 %	52 %	20 km/h
May	64 mm	11	15 h/day	62 %	61 %	19 km/h
June	88 mm	12	16 h/day	65 %	70 %	15 km/h
July	124 mm	14	16 h/day	66 %	77 %	14 km/h
August	117 mm	12	14 h/day	63 %	79 %	14 km/h
September	59 mm	9	13 h/day	49 %	71 %	16 km/h
October	39 mm	7	11 h/day	43 %	64 %	18 km/h
November	17 mm	4	9.4 h/day	43 %	59 %	17 km/h
December	10 mm	3	8.6 h/day	41 %	68 %	15 km/h

How Jiamusi 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
Jiamusi	27 °C	-25 °C	583 mm	59
Hegang · China	26 °C	-26 °C	662 mm	46
Shuangyashan · China	26 °C	-23 °C	614 mm	55
Qitaihe · China	26 °C	-23 °C	684 mm	51
Yichun · China	25 °C	-27 °C	644 mm	42
Jixi · China	26 °C	-22 °C	635 mm	55
Suihua · China	27 °C	-26 °C	638 mm	59

Where Jiamusi ranks

Ranking	Position	Value
The coolest places in Asia in December	8th of 50	-12 °C
The coolest places in Asia in January	9th of 50	-13 °C
The coolest places in Asia in November	16th of 50	-1.2 °C
The coolest places in Asia year-round	17th of 50	8.9 °C
The coolest places in Asia in February	18th of 50	-7.4 °C
The coolest places in the world in December	19th of 50	-12 °C

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

QuestionsCommon questions about Jiamusi’s climate

When is the best time to visit Jiamusi?

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 Jiamusi get?

In July, the warmest month, daily highs average 27 °C. About 10 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average -25 °C in January, the coldest month. A normal year has 177 nights below freezing.

Which month is wettest in Jiamusi?

July, averaging 124 mm over 14 days with rain. The driest month is January with 6 mm. The year as a whole averages 583 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 Jiamusi 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: 46.797°, 130.311° (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.