Pyeongtaek-si climate — normals and trends

Q: What is the climate of Pyeongtaek-si?

Pyeongtaek-si has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.3 °C and it receives 1,136 mm of precipitation per year.

Q: What is the hottest day ever recorded in Pyeongtaek-si?

The hottest day measured in Pyeongtaek-si between 1940 and 2025 was 15 August 2018, reaching 38.7 °C.

Q: What is the coldest day in Pyeongtaek-si?

The coldest day measured in Pyeongtaek-si between 1940 and 2025 was 8 January 2010, at -21.4 °C.

Q: Does it snow in Pyeongtaek-si?

Yes. Pyeongtaek-si gets on average 20.0 cm of snow per year and has around 100 frost days.

Q: Has the climate of Pyeongtaek-si warmed?

Yes: Pyeongtaek-si warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Pyeongtaek-si?

The wettest day measured in Pyeongtaek-si between 1940 and 2025 was 4 August 1997, with 195 mm of rain in 24 hours.

Q: What was the windiest day in Pyeongtaek-si?

The windiest day measured in Pyeongtaek-si between 1940 and 2025 was 28 August 2012, with winds reaching 50.2 km/h.

Q: What is the warmest month in Pyeongtaek-si?

The warmest month in Pyeongtaek-si is August (25.8 °C on average); the coldest is January (-2.4 °C).

Q: How much does it rain in Pyeongtaek-si?

Pyeongtaek-si receives on average 1,136 mm of precipitation per year, spread over about 98 rainy days.

Q: Is it sunny in Pyeongtaek-si?

Pyeongtaek-si gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

Pyeongtaek-si (South Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 12.3 °C and it receives 1,136 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is August (25.8 °C on average) and the coldest is January (-2.4 °C). Rainfall peaks in July.

Pyeongtaek-si averages 100 frost days, 31 hot days (≥ 30 °C) and 98 rainy days per year.

Pyeongtaek-si has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The number of frost days there went from about 111 to 89 per year over the period.

The hottest day of the period reached 38.7 °C (on 15 August 2018) and the coldest -21.4 °C (on 8 January 2010).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Pyeongtaek-siGyeonggi-do

coords: 36.99°, 127.09°
period: 1940–2025 · 86 yrs

DwaHot-summer humid continental, dry winterWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

12.3°C

Average daily high

16.9°C

Average daily low

8.2°C

Annual rainfall

1,136mm

Sunshine / day

8.7h

Mean relative humidity

73%

Average peak wind

14.6km/h

Seasonal range

28.2°C

Frost days (< 0 °C)

100 d/yr

Hot days (≥ 30 °C)

31 d/yr

Rainy days (≥ 1 mm)

98 d/yr

Annual snowfall

20.0 cm

Average feels-like high

16.2 °C

Average feels-like low

6.7 °C

Average peak gust

33.7 km/h

Tropical nights (≥ 20 °C)

64 d/yr

Solar radiation

14.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.50 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

38.7 °C

15 August 2018

Coldest day

-21.4 °C

8 January 2010

Wettest day

195 mm

4 August 1997

Windiest day

50.2 km/h

28 August 2012

Strongest gust

113.0 km/h

28 August 1986

Hottest feels-like

45.1 °C

3 August 1959

Coldest feels-like

-26.4 °C

18 January 1945

Snowiest day

20.6 cm

28 January 1969

Sunniest day

14.1 h

23 June 1952

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.2 °C8 July 2025	-12.7 °C10 January 2025	13.9 °C	1,304 mm	69	95
2024	36.0 °C19 June 2024	-13.2 °C25 January 2024	14.6 °C	1,323 mm	76	79
2023	35.0 °C7 August 2023	-15.8 °C25 January 2023	13.9 °C	1,364 mm	47	89
2022	34.3 °C29 July 2022	-15.0 °C24 December 2022	13.0 °C	1,205 mm	40	100
2021	36.0 °C30 July 2021	-16.1 °C7 January 2021	13.7 °C	1,129 mm	42	76
2020	34.0 °C25 August 2020	-11.5 °C31 December 2020	13.2 °C	1,390 mm	28	77
2019	35.5 °C10 August 2019	-9.7 °C3 January 2019	13.3 °C	836 mm	35	95
2018	38.7 °C15 August 2018	-15.6 °C27 January 2018	12.9 °C	1,084 mm	47	92
2017	34.3 °C5 August 2017	-11.1 °C14 December 2017	12.9 °C	876 mm	34	106
2016	34.9 °C21 August 2016	-14.9 °C24 January 2016	13.7 °C	800 mm	50	94
2015	35.2 °C11 July 2015	-10.9 °C9 February 2015	13.6 °C	733 mm	41	91
2014	33.7 °C31 July 2014	-10.8 °C14 January 2014	13.0 °C	874 mm	22	95
2013	34.1 °C7 August 2013	-16.1 °C4 January 2013	12.6 °C	885 mm	45	102
2012	36.8 °C6 August 2012	-13.9 °C2 February 2012	12.4 °C	1,427 mm	48	111
2011	34.3 °C5 August 2011	-15.7 °C7 January 2011	12.3 °C	1,464 mm	28	104
2010	35.1 °C9 August 2010	-21.4 °C8 January 2010	12.6 °C	996 mm	55	101
2009	34.2 °C27 June 2009	-14.8 °C25 January 2009	12.9 °C	850 mm	28	97
2008	35.2 °C8 August 2008	-12.0 °C17 January 2008	13.0 °C	823 mm	27	94
2007	33.9 °C18 June 2007	-8.7 °C14 January 2007	13.2 °C	1,471 mm	35	88
2006	34.3 °C4 August 2006	-13.3 °C4 February 2006	13.1 °C	1,115 mm	30	94
2005	34.9 °C6 August 2005	-13.2 °C18 December 2005	12.2 °C	1,256 mm	39	111
2004	34.8 °C11 August 2004	-15.2 °C22 January 2004	13.1 °C	1,218 mm	35	88
2003	31.9 °C8 June 2003	-18.4 °C6 January 2003	12.6 °C	1,366 mm	16	85
2002	34.6 °C27 July 2002	-9.4 °C3 January 2002	12.6 °C	1,210 mm	22	98
2001	33.8 °C17 August 2001	-17.3 °C15 January 2001	12.8 °C	838 mm	43	108
2000	32.8 °C13 August 2000	-18.4 °C27 December 2000	12.4 °C	1,275 mm	42	110
1999	33.6 °C10 August 1999	-10.9 °C9 January 1999	13.0 °C	1,293 mm	33	97
1998	32.3 °C12 September 1998	-13.0 °C24 January 1998	13.6 °C	1,524 mm	22	89
1997	34.0 °C8 August 1997	-14.2 °C22 January 1997	12.6 °C	1,129 mm	49	92
1996	34.0 °C2 August 1996	-12.4 °C2 February 1996	12.0 °C	967 mm	32	104
1995	34.0 °C14 August 1995	-12.4 °C30 January 1995	12.1 °C	900 mm	26	105
1994	36.6 °C24 July 1994	-11.5 °C16 December 1994	13.4 °C	982 mm	45	98
1993	31.3 °C5 July 1993	-10.8 °C21 January 1993	12.1 °C	1,268 mm	2	93
1992	33.6 °C6 July 1992	-10.5 °C7 February 1992	12.6 °C	1,131 mm	18	84
1991	33.7 °C20 August 1991	-13.3 °C24 February 1991	12.4 °C	1,092 mm	18	93
1990	34.3 °C8 August 1990	-16.3 °C26 January 1990	13.0 °C	1,504 mm	27	74
1989	33.3 °C5 August 1989	-8.9 °C5 January 1989	13.1 °C	1,405 mm	23	76
1988	34.8 °C10 August 1988	-10.3 °C3 February 1988	12.2 °C	848 mm	23	104
1987	32.3 °C26 June 1987	-14.6 °C14 January 1987	12.2 °C	1,470 mm	11	101
1986	32.6 °C1 August 1986	-17.0 °C12 January 1986	11.5 °C	1,147 mm	9	100
1985	33.9 °C8 August 1985	-18.7 °C29 January 1985	12.0 °C	1,432 mm	34	106
1984	34.0 °C10 August 1984	-16.8 °C6 January 1984	11.7 °C	1,023 mm	33	108
1983	33.2 °C5 August 1983	-13.8 °C13 February 1983	12.4 °C	1,059 mm	22	102
1982	35.6 °C9 July 1982	-12.4 °C29 January 1982	12.5 °C	1,011 mm	24	91
1981	33.9 °C31 July 1981	-17.9 °C14 January 1981	11.3 °C	1,283 mm	24	113
1980	32.0 °C14 June 1980	-17.2 °C17 January 1980	11.0 °C	1,385 mm	2	96
1979	32.6 °C15 August 1979	-15.1 °C2 February 1979	12.6 °C	1,392 mm	20	91
1978	35.7 °C28 July 1978	-13.1 °C1 February 1978	12.9 °C	1,265 mm	39	93
1977	34.5 °C29 July 1977	-15.4 °C16 February 1977	12.5 °C	976 mm	25	88
1976	32.6 °C28 June 1976	-13.9 °C27 December 1976	11.8 °C	1,116 mm	11	101
1975	34.1 °C17 August 1975	-10.3 °C31 January 1975	12.6 °C	1,367 mm	35	95
1974	32.5 °C19 August 1974	-17.1 °C24 January 1974	11.2 °C	1,455 mm	14	109
1973	36.3 °C18 July 1973	-16.9 °C24 December 1973	12.4 °C	859 mm	42	103
1972	34.8 °C20 July 1972	-8.5 °C13 December 1972	12.2 °C	1,513 mm	16	90
1971	33.0 °C9 August 1971	-14.4 °C5 January 1971	12.0 °C	1,293 mm	13	98
1970	33.2 °C14 August 1970	-18.0 °C5 January 1970	11.7 °C	1,033 mm	22	125
1969	32.3 °C9 August 1969	-19.2 °C3 February 1969	11.2 °C	1,323 mm	22	111
1968	32.5 °C30 June 1968	-13.7 °C22 February 1968	11.9 °C	906 mm	19	101
1967	35.1 °C9 August 1967	-18.2 °C16 January 1967	12.1 °C	907 mm	39	108
1966	33.0 °C9 August 1966	-14.8 °C20 January 1966	12.2 °C	872 mm	33	98
1965	34.7 °C2 July 1965	-14.5 °C17 December 1965	11.9 °C	1,004 mm	38	112
1964	34.5 °C17 August 1964	-14.3 °C13 February 1964	12.7 °C	1,612 mm	40	104
1963	33.8 °C7 August 1963	-17.1 °C13 January 1963	11.6 °C	1,333 mm	26	107
1962	36.6 °C5 July 1962	-9.8 °C1 February 1962	12.3 °C	1,222 mm	42	111
1961	34.7 °C31 July 1961	-17.3 °C5 January 1961	13.0 °C	1,177 mm	51	94
1960	35.3 °C7 August 1960	-16.1 °C31 December 1960	12.9 °C	956 mm	52	94
1959	36.9 °C3 August 1959	-15.5 °C5 January 1959	12.8 °C	1,264 mm	45	85
1958	35.0 °C24 June 1958	-17.7 °C24 January 1958	12.1 °C	1,601 mm	36	86
1957	33.1 °C10 August 1957	-14.0 °C11 February 1957	11.3 °C	1,192 mm	16	114
1956	36.3 °C31 July 1956	-14.8 °C9 January 1956	11.0 °C	1,591 mm	33	121
1955	34.3 °C13 June 1955	-16.7 °C11 January 1955	12.2 °C	1,010 mm	50	111
1954	33.8 °C10 August 1954	-12.1 °C27 December 1954	12.3 °C	1,369 mm	33	96
1953	35.1 °C17 August 1953	-13.7 °C1 February 1953	12.1 °C	939 mm	40	111
1952	35.5 °C16 August 1952	-12.8 °C3 February 1952	12.4 °C	934 mm	50	108
1951	36.3 °C1 July 1951	-17.7 °C13 January 1951	12.2 °C	653 mm	48	107
1950	33.6 °C25 July 1950	-16.0 °C7 January 1950	12.0 °C	991 mm	32	110
1949	32.4 °C15 August 1949	-13.4 °C29 December 1949	11.7 °C	825 mm	21	105
1948	31.2 °C11 July 1948	-16.3 °C28 January 1948	12.1 °C	1,564 mm	15	85
1947	31.2 °C23 August 1947	-14.5 °C19 December 1947	10.3 °C	1,096 mm	11	127
1946	36.6 °C28 July 1946	-15.6 °C28 December 1946	12.1 °C	647 mm	45	113
1945	32.1 °C3 August 1945	-20.4 °C18 January 1945	10.4 °C	1,270 mm	10	117
1944	33.7 °C6 August 1944	-13.7 °C25 December 1944	11.4 °C	1,082 mm	22	122
1943	31.0 °C10 August 1943	-16.6 °C1 February 1943	11.7 °C	799 mm	16	111
1942	34.7 °C25 July 1942	-16.3 °C18 January 1942	11.7 °C	330 mm	65	123
1941	32.6 °C8 August 1941	-20.2 °C1 February 1941	10.9 °C	829 mm	4	117
1940	31.9 °C31 July 1940	-16.3 °C10 January 1940	10.9 °C	1,128 mm	4	126

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

18.6 °C

+1.7 °C

Hot days (≥ 30 °C)

69 d/yr

+38

Frost days (< 0 °C)

95 d/yr

-5

Annual rainfall

1304 mm

+168 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	3.8 °C	+2.0 °C	17 mm	-8 mm
Feb	3.6 °C	-0.7 °C	9 mm	-18 mm
Mar	13.2 °C	+3.1 °C	48 mm	+1 mm
Apr	19.0 °C	+1.5 °C	77 mm	+1 mm
May	22.7 °C	-0.4 °C	76 mm	-9 mm
Jun	28.6 °C	+1.9 °C	123 mm	-3 mm
Jul	32.5 °C	+3.8 °C	207 mm	-64 mm
Aug	31.4 °C	+1.9 °C	212 mm	+1 mm
Sep	26.9 °C	+1.6 °C	304 mm	+162 mm
Oct	20.5 °C	+1.1 °C	173 mm	+122 mm
Nov	14.2 °C	+2.3 °C	20 mm	-27 mm
Dec	5.7 °C	+1.2 °C	37 mm	+10 mm

The year's extremes

Hottest day

37.2 °C

8 Jul 2025

Coldest day

-12.7 °C

10 Jan 2025

Wettest day

67.2 mm

20 Sep 2025

Windiest day

32.9 km/h

7 Feb 2025

Strongest gust

78.8 km/h

13 Apr 2025

Hottest feels-like

43.7 °C

27 Jul 2025

Coldest feels-like

-18.2 °C

10 Jan 2025

Snowiest day

5.6 cm

3 Mar 2025

Sunniest day

13.6 h

22 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Pyeongtaek-si?

Pyeongtaek-si has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.3 °C and it receives 1,136 mm of precipitation per year.

What is the hottest day ever recorded in Pyeongtaek-si?

The hottest day measured in Pyeongtaek-si between 1940 and 2025 was 15 August 2018, reaching 38.7 °C.

What is the coldest day in Pyeongtaek-si?

The coldest day measured in Pyeongtaek-si between 1940 and 2025 was 8 January 2010, at -21.4 °C.

Does it snow in Pyeongtaek-si?

Yes. Pyeongtaek-si gets on average 20.0 cm of snow per year and has around 100 frost days.

Has the climate of Pyeongtaek-si warmed?

Yes: Pyeongtaek-si warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Pyeongtaek-si?

The wettest day measured in Pyeongtaek-si between 1940 and 2025 was 4 August 1997, with 195 mm of rain in 24 hours.

What was the windiest day in Pyeongtaek-si?

The windiest day measured in Pyeongtaek-si between 1940 and 2025 was 28 August 2012, with winds reaching 50.2 km/h.

What is the warmest month in Pyeongtaek-si?

The warmest month in Pyeongtaek-si is August (25.8 °C on average); the coldest is January (-2.4 °C).

How much does it rain in Pyeongtaek-si?

Pyeongtaek-si receives on average 1,136 mm of precipitation per year, spread over about 98 rainy days.

Is it sunny in Pyeongtaek-si?

Pyeongtaek-si gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

What is the biggest single-day snowfall in Pyeongtaek-si?

The heaviest 24-hour snowfall measured in Pyeongtaek-si between 1940 and 2025 was 28 January 1969, with 20.6 cm.

Are there tropical nights in Pyeongtaek-si?

Yes: Pyeongtaek-si has on average 64 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Pyeongtaek-si?

In Pyeongtaek-si, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 3 August 1959, and the lowest was -26.4 °C on 18 January 1945.

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