Kaech’ŏn climate

Name: Kaech’ŏn
Address: KP

Kaech’ŏn is warmest in August, with average highs of 28 °C, and coldest in January, when nights average -13 °C. July is the wettest month (361 mm) and January the driest (14 mm). Figures are 1991–2020 climate normals.

Across a full year Kaech’ŏn averages 1,290 mm of rain, 90 days above 25 °C and 136 days below freezing.

North Korea · population 319,554 · 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 28 °C
Coldest month January -13 °C
Driest month January 14 mm
Wettest month July 361 mm
Least cloud January 36 % cloud
Hottest on record August 35 °C
Coldest on record January -32 °C

What to expectKaech’ŏn through the year

Kaech’ŏn has a clear annual cycle: average daily highs run from -1.5 °C in January to 28 °C in August, a swing of 31 °C in mean temperature across the year.

Counted across a normal year, 90 days a year reach 25 °C, 13 of them reach 30 °C, 136 nights drop below freezing. The warmest reading in the 1991–2020 record is 35 °C, in August.

Rain is strongly seasonal. July averages 361 mm against 14 mm in January — 25 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-1.5 °C	14 mm	36 %
February	2.5 °C	24 mm	40 %
March	8.8 °C	33 mm	47 %
April	15.8 °C	65 mm	51 %
May	21.6 °C	108 mm	55 %
June	25.8 °C	136 mm	65 %
July	27.7 °C	361 mm	76 %
August	28.1 °C	279 mm	68 %
September	24.1 °C	117 mm	53 %
October	17.1 °C	60 mm	43 %
November	8.1 °C	62 mm	47 %
December	0.3 °C	30 mm	39 %

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	-1.5 °C	-13.1 °C	-7.1 °C	8.0 °C	-32.0 °C	0	0	31
February	2.5 °C	-7.9 °C	-2.9 °C	15.2 °C	-24.5 °C	0	0	27
March	8.8 °C	-1.9 °C	3.0 °C	20.4 °C	-17.0 °C	0	0	24
April	15.8 °C	4.0 °C	9.7 °C	26.0 °C	-4.3 °C	0	0	4
May	21.6 °C	10.7 °C	16.0 °C	31.4 °C	3.5 °C	4	0	0
June	25.8 °C	16.5 °C	20.9 °C	32.5 °C	9.1 °C	19	2	0
July	27.7 °C	20.8 °C	23.9 °C	34.5 °C	13.0 °C	26	6	0
August	28.1 °C	20.6 °C	24.1 °C	35.0 °C	10.2 °C	28	6	0
September	24.1 °C	14.5 °C	19.2 °C	31.1 °C	4.2 °C	12	0	0
October	17.1 °C	6.8 °C	11.8 °C	27.7 °C	-3.8 °C	0	0	2
November	8.1 °C	-0.5 °C	3.6 °C	20.2 °C	-15.8 °C	0	0	18
December	0.3 °C	-8.8 °C	-4.2 °C	11.3 °C	-26.9 °C	0	0	30

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	14 mm	3	9.7 h/day	36 %	59 %	12 km/h
February	24 mm	4	11 h/day	40 %	56 %	14 km/h
March	33 mm	6	12 h/day	47 %	60 %	15 km/h
April	65 mm	8	13 h/day	51 %	65 %	16 km/h
May	108 mm	10	14 h/day	55 %	70 %	14 km/h
June	136 mm	12	15 h/day	65 %	76 %	12 km/h
July	361 mm	18	15 h/day	76 %	83 %	12 km/h
August	279 mm	15	14 h/day	68 %	82 %	11 km/h
September	117 mm	8	12 h/day	53 %	75 %	11 km/h
October	60 mm	7	11 h/day	43 %	69 %	12 km/h
November	62 mm	8	10 h/day	47 %	67 %	12 km/h
December	30 mm	6	9.4 h/day	39 %	60 %	12 km/h

How Kaech’ŏn 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
Kaech’ŏn	28 °C	-13 °C	1,290 mm	90
Sunch’ŏn · North Korea	28 °C	-12 °C	1,230 mm	88
Tŏkch’ŏn · North Korea	27 °C	-15 °C	1,409 mm	75
Pyongyang · North Korea	28 °C	-9.9 °C	1,027 mm	96
Namp’o · North Korea	28 °C	-7.8 °C	954 mm	94
Sariwŏn-si · North Korea	28 °C	-8.3 °C	961 mm	99
Dandong · China	28 °C	-12 °C	978 mm	77

Planning a trip? See the best time to visit Kaech’ŏn.

QuestionsCommon questions about Kaech’ŏn’s climate

When is the best time to visit Kaech’ŏn?

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 January the driest. The month-by-month table above has the full picture.

How hot does Kaech’ŏn get?

In August, the warmest month, daily highs average 28 °C. About 13 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average -13 °C in January, the coldest month. A normal year has 136 nights below freezing.

Which month is wettest in Kaech’ŏn?

July, averaging 361 mm over 18 days with rain. The driest month is January with 14 mm. The year as a whole averages 1,290 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 Kaech’ŏn 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: 39.701°, 125.893° (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.