Haicheng climate

Name: Haicheng
Address: CN

Haicheng is warmest in July, with average highs of 29 °C, and coldest in January, when nights average -14 °C. August is the wettest month (168 mm) and January the driest (6.3 mm). Figures are 1991–2020 climate normals.

Across a full year Haicheng averages 676 mm of rain, 103 days above 25 °C and 141 days below freezing.

China · population 191,651 · 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 29 °C
Coldest month January -14 °C
Driest month January 6 mm
Wettest month August 168 mm
Least cloud January 28 % cloud
Hottest on record August 38 °C
Coldest on record January -35 °C

What to expectHaicheng through the year

Haicheng has a clear annual cycle: average daily highs run from -3.8 °C in January to 29 °C in July, a swing of 34 °C in mean temperature across the year.

Counted across a normal year, 103 days a year reach 25 °C, 25 of them reach 30 °C, 141 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in August.

Rain is strongly seasonal. August averages 168 mm against 6 mm in January — 27 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-3.8 °C	6 mm	28 %
February	1.1 °C	10 mm	33 %
March	8.3 °C	19 mm	39 %
April	16.5 °C	42 mm	46 %
May	23.1 °C	62 mm	49 %
June	27.3 °C	92 mm	58 %
July	29.1 °C	144 mm	62 %
August	28.1 °C	168 mm	56 %
September	24.0 °C	52 mm	43 %
October	16.4 °C	38 mm	35 %
November	6.3 °C	30 mm	35 %
December	-1.2 °C	12 mm	31 %

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	-3.8 °C	-13.8 °C	-8.8 °C	8.2 °C	-35.4 °C	0	0	31
February	1.1 °C	-9.1 °C	-4.2 °C	16.8 °C	-25.4 °C	0	0	27
March	8.3 °C	-2.6 °C	2.4 °C	22.5 °C	-19.8 °C	0	0	23
April	16.5 °C	5.2 °C	10.5 °C	28.8 °C	-11.0 °C	1	0	4
May	23.1 °C	12.3 °C	17.4 °C	35.7 °C	3.0 °C	10	1	0
June	27.3 °C	17.7 °C	22.2 °C	37.1 °C	8.7 °C	23	5	0
July	29.1 °C	21.3 °C	24.9 °C	36.6 °C	13.8 °C	29	12	0
August	28.1 °C	20.3 °C	24.0 °C	37.6 °C	9.5 °C	27	7	0
September	24.0 °C	14.4 °C	18.9 °C	31.9 °C	2.8 °C	12	0	0
October	16.4 °C	6.4 °C	11.1 °C	28.8 °C	-5.8 °C	0	0	3
November	6.3 °C	-2.8 °C	1.7 °C	21.0 °C	-23.4 °C	0	0	22
December	-1.2 °C	-10.0 °C	-5.6 °C	11.6 °C	-23.9 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	6 mm	2	9.6 h/day	28 %	52 %	17 km/h
February	10 mm	2	11 h/day	33 %	48 %	19 km/h
March	19 mm	4	12 h/day	39 %	48 %	21 km/h
April	42 mm	6	13 h/day	46 %	51 %	23 km/h
May	62 mm	8	14 h/day	49 %	55 %	21 km/h
June	92 mm	10	15 h/day	58 %	66 %	18 km/h
July	144 mm	12	15 h/day	62 %	76 %	16 km/h
August	168 mm	12	14 h/day	56 %	77 %	15 km/h
September	52 mm	7	12 h/day	43 %	67 %	17 km/h
October	38 mm	5	11 h/day	35 %	60 %	19 km/h
November	30 mm	5	9.9 h/day	35 %	58 %	19 km/h
December	12 mm	3	9.3 h/day	31 %	53 %	18 km/h

How Haicheng 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
Haicheng	29 °C	-14 °C	676 mm	103
Anshan · China	29 °C	-14 °C	721 mm	102
Yingkou · China	28 °C	-11 °C	662 mm	82
Panjin · China	29 °C	-13 °C	674 mm	105
Benxi · China	28 °C	-17 °C	873 mm	81
Beining · China	29 °C	-13 °C	620 mm	103
Shenyang · China	29 °C	-17 °C	795 mm	101

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

QuestionsCommon questions about Haicheng’s climate

When is the best time to visit Haicheng?

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

In July, the warmest month, daily highs average 29 °C. About 25 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average -14 °C in January, the coldest month. A normal year has 141 nights below freezing.

Which month is wettest in Haicheng?

August, averaging 168 mm over 12 days with rain. The driest month is January with 6 mm. The year as a whole averages 676 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 Haicheng 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: 40.852°, 122.748° (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.