Pyeongtaek climate

Name: Pyeongtaek
Address: KR

Pyeongtaek is warmest in August, with average highs of 29 °C, and coldest in January, when nights average -5.4 °C. July is the wettest month (263 mm) and January the driest (20 mm). Figures are 1991–2020 climate normals.

Across a full year Pyeongtaek averages 1,132 mm of rain, 106 days above 25 °C and 105 days below freezing.

South Korea · population 364,694 · 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 -5.4 °C
Driest month January 20 mm
Wettest month July 263 mm
Least cloud October 46 % cloud
Hottest on record August 39 °C
Coldest on record January -19 °C

What to expectPyeongtaek through the year

Pyeongtaek has a clear annual cycle: average daily highs run from 2.3 °C in January to 29 °C in August, a swing of 27 °C in mean temperature across the year.

Counted across a normal year, 106 days a year reach 25 °C, 26 of them reach 30 °C, 105 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in August.

Rain is strongly seasonal. July averages 263 mm against 20 mm in January — 13 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	2.3 °C	20 mm	55 %
February	5.0 °C	28 mm	50 %
March	10.5 °C	40 mm	50 %
April	17.4 °C	69 mm	51 %
May	23.0 °C	89 mm	55 %
June	27.2 °C	126 mm	65 %
July	28.6 °C	263 mm	73 %
August	29.0 °C	247 mm	65 %
September	24.9 °C	128 mm	57 %
October	19.0 °C	55 mm	46 %
November	11.3 °C	46 mm	49 %
December	4.2 °C	23 mm	51 %

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	2.3 °C	-5.4 °C	-1.8 °C	15.4 °C	-19.5 °C	0	0	30
February	5.0 °C	-3.7 °C	0.2 °C	19.2 °C	-17.7 °C	0	0	25
March	10.5 °C	0.5 °C	5.1 °C	22.3 °C	-9.4 °C	0	0	15
April	17.4 °C	6.4 °C	11.5 °C	30.3 °C	-2.1 °C	1	0	1
May	23.0 °C	12.3 °C	17.2 °C	32.0 °C	5.3 °C	9	0	0
June	27.2 °C	17.7 °C	22.0 °C	34.1 °C	10.1 °C	24	5	0
July	28.6 °C	21.9 °C	24.8 °C	37.3 °C	14.7 °C	28	9	0
August	29.0 °C	22.3 °C	25.3 °C	39.2 °C	14.5 °C	28	12	0
September	24.9 °C	16.9 °C	20.7 °C	32.4 °C	8.8 °C	15	1	0
October	19.0 °C	10.0 °C	14.2 °C	27.0 °C	-0.8 °C	1	0	0
November	11.3 °C	2.9 °C	6.9 °C	23.8 °C	-9.4 °C	0	0	8
December	4.2 °C	-3.5 °C	0.2 °C	15.5 °C	-15.9 °C	0	0	26

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	20 mm	4	9.9 h/day	55 %	64 %	15 km/h
February	28 mm	4	11 h/day	50 %	64 %	16 km/h
March	40 mm	5	12 h/day	50 %	68 %	17 km/h
April	69 mm	7	13 h/day	51 %	67 %	17 km/h
May	89 mm	7	14 h/day	55 %	70 %	16 km/h
June	126 mm	8	15 h/day	65 %	74 %	14 km/h
July	263 mm	16	14 h/day	73 %	84 %	14 km/h
August	247 mm	15	14 h/day	65 %	83 %	13 km/h
September	128 mm	8	12 h/day	57 %	78 %	12 km/h
October	55 mm	5	11 h/day	46 %	73 %	14 km/h
November	46 mm	7	10 h/day	49 %	72 %	14 km/h
December	23 mm	5	9.6 h/day	51 %	68 %	15 km/h

How Pyeongtaek 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
Pyeongtaek	29 °C	-5.4 °C	1,132 mm	106
Osan · South Korea	29 °C	-5.8 °C	1,148 mm	100
Suwon · South Korea	28 °C	-6.2 °C	1,146 mm	93
Hwaseong-si · South Korea	27 °C	-4.4 °C	1,224 mm	68
Gunpo · South Korea	28 °C	-6.1 °C	1,139 mm	85
Icheon-si · South Korea	29 °C	-6.5 °C	1,232 mm	103
Anyang-si · South Korea	28 °C	-6.1 °C	1,209 mm	84

Where Pyeongtaek ranks

Ranking	Position	Value
Places with the best weather in Asia in May	50thof 50	93/100

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

QuestionsCommon questions about Pyeongtaek’s climate

When is the best time to visit Pyeongtaek?

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 Pyeongtaek get?

In August, the warmest month, daily highs average 29 °C. About 26 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

Nights average -5.4 °C in January, the coldest month. A normal year has 105 nights below freezing.

Which month is wettest in Pyeongtaek?

July, averaging 263 mm over 16 days with rain. The driest month is January with 20 mm. The year as a whole averages 1,132 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 Pyeongtaek 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
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.