Changam-ch’on climate

Name: Changam-ch’on
Address: KP

Changam-ch’on is warmest in August, with average highs of 26 °C, and coldest in January, when nights average -12 °C. August is the wettest month (183 mm) and February the driest (24 mm). Figures are 1991–2020 climate normals.

Across a full year Changam-ch’on averages 836 mm of rain, 59 days above 25 °C and 133 days below freezing.

North Korea · population 207,299 · 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 August 26 °C
Coldest month January -12 °C
Driest month February 24 mm
Wettest month August 183 mm
Least cloud December 35 % cloud
Hottest on record August 38 °C
Coldest on record January -27 °C
Warmest sea August 23 °C

What to expectChangam-ch’on through the year

Changam-ch’on has a clear annual cycle: average daily highs run from -1.3 °C in January to 26 °C in August, a swing of 30 °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, 133 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in August.

Rain is strongly seasonal. August averages 183 mm against 24 mm in February — 7.7 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Changam-ch’on is warmest in August at 23 °C and coldest in February at 4.5 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-1.3 °C	27 mm	38 %
February	1.4 °C	24 mm	40 %
March	6.8 °C	32 mm	45 %
April	14.5 °C	44 mm	49 %
May	20.0 °C	69 mm	56 %
June	23.4 °C	74 mm	67 %
July	26.2 °C	160 mm	74 %
August	26.4 °C	183 mm	70 %
September	22.4 °C	100 mm	55 %
October	16.5 °C	48 mm	41 %
November	8.1 °C	44 mm	40 %
December	0.8 °C	32 mm	35 %

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	-1.3 °C	-12.4 °C	-7.2 °C	9.6 °C	-27.0 °C	0	0	31
February	1.4 °C	-10.1 °C	-4.7 °C	14.4 °C	-24.0 °C	0	0	28
March	6.8 °C	-4.0 °C	1.2 °C	24.7 °C	-17.9 °C	0	0	24
April	14.5 °C	3.3 °C	8.7 °C	29.1 °C	-12.5 °C	1	0	4
May	20.0 °C	9.6 °C	14.7 °C	35.8 °C	0.4 °C	4	0	0
June	23.4 °C	14.8 °C	19.1 °C	34.4 °C	6.6 °C	10	1	0
July	26.2 °C	19.1 °C	22.5 °C	35.4 °C	10.8 °C	19	5	0
August	26.4 °C	19.3 °C	22.6 °C	37.9 °C	9.2 °C	21	4	0
September	22.4 °C	13.6 °C	17.8 °C	32.0 °C	3.1 °C	5	0	0
October	16.5 °C	6.7 °C	11.2 °C	25.4 °C	-4.9 °C	0	0	1
November	8.1 °C	-0.8 °C	3.0 °C	22.2 °C	-21.9 °C	0	0	15
December	0.8 °C	-9.4 °C	-4.7 °C	12.5 °C	-23.1 °C	0	0	30

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	27 mm	6	9.6 h/day	38 %	62 %	14 km/h	5.9 °C
February	24 mm	6	11 h/day	40 %	63 %	14 km/h	4.5 °C
March	32 mm	6	12 h/day	45 %	63 %	14 km/h	4.8 °C
April	44 mm	7	13 h/day	49 %	65 %	14 km/h	7.4 °C
May	69 mm	9	14 h/day	56 %	73 %	13 km/h	11.4 °C
June	74 mm	9	15 h/day	67 %	82 %	11 km/h	16.1 °C
July	160 mm	14	15 h/day	74 %	87 %	11 km/h	20.3 °C
August	183 mm	15	14 h/day	70 %	87 %	11 km/h	22.5 °C
September	100 mm	9	12 h/day	55 %	80 %	12 km/h	20.8 °C
October	48 mm	7	11 h/day	41 %	70 %	13 km/h	17.3 °C
November	44 mm	7	9.9 h/day	40 %	64 %	12 km/h	12.5 °C
December	32 mm	6	9.3 h/day	35 %	59 %	13 km/h	8.2 °C

How Changam-ch’on 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
Changam-ch’on	26 °C	-12 °C	836 mm	59
Sinp’o · North Korea	25 °C	-7.4 °C	872 mm	29
Hyesan · North Korea	25 °C	-22 °C	774 mm	40
Hŭngnam · North Korea	26 °C	-7.9 °C	1,075 mm	42
Hamhŭng · North Korea	26 °C	-11 °C	1,131 mm	52
Chongjin · North Korea	24 °C	-12 °C	1,021 mm	18
Kanggye · North Korea	27 °C	-20 °C	1,103 mm	68

Planning a trip? See the best time to visit Changam-ch’on.

QuestionsCommon questions about Changam-ch’on’s climate

When is the best time to visit Changam-ch’on?

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

How hot does Changam-ch’on get?

In August, the warmest month, daily highs average 26 °C. About 10 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 -12 °C in January, the coldest month. A normal year has 133 nights below freezing.

Which month is wettest in Changam-ch’on?

August, averaging 183 mm over 15 days with rain. The driest month is February with 24 mm. The year as a whole averages 836 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 Changam-ch’on 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: 40.606°, 128.782° (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.