Chungju climate

Name: Chungju
Address: KR

Chungju is warmest in August, with average highs of 29 °C, and coldest in January, when nights average -6.2 °C. July is the wettest month (263 mm) and January the driest (24 mm). Figures are 1991–2020 climate normals.

Across a full year Chungju averages 1,173 mm of rain, 101 days above 25 °C and 104 days below freezing.

South Korea · population 209,483 · 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 29 °C
Coldest month January -6.2 °C
Driest month January 24 mm
Wettest month July 263 mm
Least cloud December 45 % cloud
Hottest on record August 38 °C
Coldest on record January -23 °C

What to expectChungju through the year

Chungju has a clear annual cycle: average daily highs run from 1.9 °C in January to 29 °C in August, a swing of 27 °C in mean temperature across the year.

Counted across a normal year, 101 days a year reach 25 °C, 24 of them reach 30 °C, 104 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in August.

Rain is strongly seasonal. July averages 263 mm against 24 mm in January — 11 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	1.9 °C	24 mm	48 %
February	5.0 °C	34 mm	48 %
March	10.7 °C	53 mm	52 %
April	17.4 °C	82 mm	53 %
May	22.8 °C	96 mm	57 %
June	27.0 °C	131 mm	66 %
July	28.4 °C	263 mm	76 %
August	28.8 °C	226 mm	69 %
September	24.5 °C	135 mm	60 %
October	18.7 °C	57 mm	47 %
November	10.9 °C	44 mm	47 %
December	3.7 °C	28 mm	45 %

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	1.9 °C	-6.2 °C	-2.3 °C	12.6 °C	-22.6 °C	0	0	29
February	5.0 °C	-4.0 °C	0.1 °C	18.8 °C	-21.3 °C	0	0	24
March	10.7 °C	0.5 °C	5.2 °C	22.7 °C	-11.8 °C	0	0	14
April	17.4 °C	6.2 °C	11.5 °C	30.1 °C	-3.6 °C	1	0	1
May	22.8 °C	11.9 °C	17.2 °C	32.8 °C	3.8 °C	9	0	0
June	27.0 °C	17.4 °C	22.0 °C	35.5 °C	9.5 °C	23	4	0
July	28.4 °C	21.3 °C	24.5 °C	36.1 °C	12.9 °C	27	8	0
August	28.8 °C	21.7 °C	25.0 °C	38.1 °C	11.8 °C	28	11	0
September	24.5 °C	16.4 °C	20.3 °C	31.6 °C	7.1 °C	13	1	0
October	18.7 °C	9.6 °C	13.9 °C	26.7 °C	-2.3 °C	1	0	0
November	10.9 °C	2.6 °C	6.5 °C	23.7 °C	-11.4 °C	0	0	9
December	3.7 °C	-4.0 °C	-0.3 °C	15.8 °C	-17.7 °C	0	0	26

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	24 mm	4	9.9 h/day	48 %	62 %	15 km/h
February	34 mm	5	11 h/day	48 %	61 %	16 km/h
March	53 mm	7	12 h/day	52 %	64 %	16 km/h
April	82 mm	8	13 h/day	53 %	64 %	16 km/h
May	96 mm	9	14 h/day	57 %	67 %	15 km/h
June	131 mm	9	15 h/day	66 %	71 %	12 km/h
July	263 mm	17	14 h/day	76 %	83 %	13 km/h
August	226 mm	15	14 h/day	69 %	82 %	12 km/h
September	135 mm	9	12 h/day	60 %	78 %	12 km/h
October	57 mm	5	11 h/day	47 %	72 %	13 km/h
November	44 mm	6	10 h/day	47 %	71 %	14 km/h
December	28 mm	5	9.6 h/day	45 %	66 %	15 km/h

How Chungju 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
Chungju	29 °C	-6.2 °C	1,173 mm	101
Wŏnju · South Korea	28 °C	-7.3 °C	1,222 mm	96
Cheongju-si · South Korea	29 °C	-4.9 °C	1,163 mm	110
Icheon-si · South Korea	29 °C	-6.5 °C	1,232 mm	103
Pyeongtaek · South Korea	29 °C	-5.4 °C	1,132 mm	106
Osan · South Korea	29 °C	-5.8 °C	1,148 mm	100
Andong · South Korea	29 °C	-4.9 °C	1,012 mm	102

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

QuestionsCommon questions about Chungju’s climate

When is the best time to visit Chungju?

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, August is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does Chungju get?

In August, the warmest month, daily highs average 29 °C. About 24 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 -6.2 °C in January, the coldest month. A normal year has 104 nights below freezing.

Which month is wettest in Chungju?

July, averaging 263 mm over 17 days with rain. The driest month is January with 24 mm. The year as a whole averages 1,173 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 Chungju 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: 36.977°, 127.929° (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.