Goyang-si climate — normals and trends

Q: What is the climate of Goyang-si?

Goyang-si has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 1,223 mm of precipitation per year.

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

The hottest day measured in Goyang-si between 1940 and 2025 was 1 August 2018, reaching 37.9 °C.

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

The coldest day measured in Goyang-si between 1940 and 2025 was 14 January 2001, at -26.5 °C.

Q: Does it snow in Goyang-si?

Yes. Goyang-si gets on average 20.9 cm of snow per year and has around 113 frost days.

Q: Has the climate of Goyang-si warmed?

Yes: Goyang-si warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

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

The wettest day measured in Goyang-si between 1940 and 2025 was 7 August 2002, with 214 mm of rain in 24 hours.

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

The windiest day measured in Goyang-si between 1940 and 2025 was 7 September 2019, with winds reaching 56.3 km/h.

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

The warmest month in Goyang-si is August (25.5 °C on average); the coldest is January (-4.0 °C).

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

Goyang-si receives on average 1,223 mm of precipitation per year, spread over about 99 rainy days.

Q: Is it sunny in Goyang-si?

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

Goyang-si (South Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 11.5 °C and it receives 1,223 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 (25.5 °C on average) and the coldest is January (-4.0 °C). Rainfall peaks in July.

Goyang-si averages 113 frost days, 25 hot days (≥ 30 °C) and 99 rainy days per year.

Goyang-si has warmed by +2.0 °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 123 to 103 per year over the period.

The hottest day of the period reached 37.9 °C (on 1 August 2018) and the coldest -26.5 °C (on 14 January 2001).

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

Goyang-siGyeonggi-do

coords: 37.66°, 126.83°
period: 1940–2025 · 86 yrs

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

Mean daily temperature

11.5°C

Average daily high

16.4°C

Average daily low

7.2°C

Annual rainfall

1,223mm

Sunshine / day

8.7h

Mean relative humidity

72%

Average peak wind

14.4km/h

Seasonal range

29.5°C

Frost days (< 0 °C)

113 d/yr

Hot days (≥ 30 °C)

25 d/yr

Rainy days (≥ 1 mm)

99 d/yr

Annual snowfall

20.9 cm

Average feels-like high

15.5 °C

Average feels-like low

5.7 °C

Average peak gust

31.5 km/h

Tropical nights (≥ 20 °C)

61 d/yr

Solar radiation

14.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.51 · 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

37.9 °C

1 August 2018

Coldest day

-26.5 °C

14 January 2001

Wettest day

214 mm

7 August 2002

Windiest day

56.3 km/h

7 September 2019

Strongest gust

118.8 km/h

28 August 2012

Hottest feels-like

45.0 °C

1 August 2018

Coldest feels-like

-32.3 °C

14 January 2001

Snowiest day

16.3 cm

8 March 1991

Sunniest day

14.3 h

27 June 1951

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.6 °C8 July 2025	-14.9 °C10 January 2025	13.1 °C	1,260 mm	55	109
2024	35.1 °C20 August 2024	-14.4 °C23 January 2024	13.9 °C	1,173 mm	65	95
2023	34.7 °C30 July 2023	-18.1 °C25 January 2023	13.2 °C	1,328 mm	43	101
2022	35.8 °C30 July 2022	-14.9 °C24 December 2022	12.2 °C	1,310 mm	32	107
2021	35.7 °C24 July 2021	-17.6 °C8 January 2021	13.0 °C	1,008 mm	43	92
2020	35.4 °C22 June 2020	-14.0 °C17 December 2020	12.6 °C	1,454 mm	25	96
2019	36.1 °C6 August 2019	-11.2 °C2 January 2019	12.9 °C	795 mm	34	113
2018	37.9 °C1 August 2018	-17.8 °C26 January 2018	12.2 °C	1,020 mm	47	105
2017	34.3 °C5 August 2017	-13.9 °C24 January 2017	12.3 °C	905 mm	30	119
2016	34.5 °C5 August 2016	-16.8 °C24 January 2016	13.0 °C	974 mm	41	105
2015	35.9 °C11 July 2015	-12.8 °C9 February 2015	13.0 °C	786 mm	30	106
2014	34.8 °C1 August 2014	-12.0 °C18 December 2014	12.6 °C	687 mm	23	106
2013	33.0 °C11 August 2013	-22.3 °C9 February 2013	11.7 °C	1,196 mm	30	118
2012	35.5 °C6 August 2012	-16.6 °C2 February 2012	11.6 °C	1,255 mm	35	120
2011	33.7 °C5 August 2011	-18.9 °C16 January 2011	11.4 °C	1,562 mm	22	113
2010	33.7 °C11 August 2010	-24.0 °C8 January 2010	11.6 °C	1,303 mm	35	111
2009	34.3 °C16 August 2009	-13.8 °C29 December 2009	12.1 °C	1,137 mm	22	111
2008	35.7 °C8 August 2008	-14.2 °C17 January 2008	12.3 °C	1,110 mm	26	102
2007	32.2 °C22 June 2007	-10.9 °C2 February 2007	12.4 °C	1,487 mm	30	109
2006	34.3 °C4 August 2006	-16.1 °C4 February 2006	12.3 °C	1,471 mm	26	112
2005	34.4 °C22 July 2005	-15.4 °C18 December 2005	11.4 °C	1,328 mm	23	116
2004	34.6 °C11 August 2004	-18.2 °C22 January 2004	12.3 °C	1,316 mm	30	104
2003	31.2 °C9 June 2003	-18.7 °C5 January 2003	12.1 °C	1,494 mm	16	102
2002	34.2 °C28 July 2002	-16.2 °C2 January 2002	12.0 °C	1,249 mm	15	109
2001	33.8 °C17 August 2001	-26.5 °C14 January 2001	11.8 °C	879 mm	38	118
2000	34.1 °C6 July 2000	-15.2 °C26 December 2000	11.8 °C	1,238 mm	42	120
1999	34.5 °C11 August 1999	-12.9 °C21 December 1999	12.4 °C	1,310 mm	38	110
1998	32.2 °C12 September 1998	-15.7 °C24 January 1998	13.0 °C	1,630 mm	19	108
1997	34.6 °C26 July 1997	-15.9 °C22 January 1997	11.9 °C	1,139 mm	44	107
1996	34.8 °C2 August 1996	-19.0 °C2 December 1996	11.5 °C	1,013 mm	23	120
1995	33.4 °C23 July 1995	-12.5 °C30 January 1995	11.5 °C	1,102 mm	12	116
1994	35.9 °C22 July 1994	-16.6 °C10 February 1994	12.6 °C	1,106 mm	35	108
1993	30.6 °C5 July 1993	-13.5 °C21 January 1993	11.4 °C	1,159 mm	3	102
1992	32.0 °C29 August 1992	-10.1 °C25 December 1992	11.9 °C	1,177 mm	9	97
1991	33.5 °C20 August 1991	-17.7 °C30 December 1991	11.6 °C	1,194 mm	18	110
1990	33.4 °C8 August 1990	-23.5 °C23 January 1990	12.2 °C	1,891 mm	23	85
1989	34.7 °C5 August 1989	-13.9 °C14 January 1989	12.5 °C	1,513 mm	20	94
1988	35.4 °C10 August 1988	-12.3 °C24 January 1988	11.5 °C	991 mm	21	115
1987	31.5 °C26 June 1987	-19.2 °C13 January 1987	11.5 °C	1,585 mm	9	111
1986	31.3 °C11 June 1986	-21.9 °C6 January 1986	10.7 °C	1,226 mm	7	117
1985	33.5 °C29 July 1985	-21.5 °C30 January 1985	11.1 °C	1,418 mm	26	121
1984	34.0 °C18 August 1984	-22.0 °C6 January 1984	10.7 °C	1,379 mm	27	121
1983	33.1 °C13 August 1983	-15.9 °C25 December 1983	11.8 °C	922 mm	22	116
1982	33.7 °C14 July 1982	-14.2 °C29 January 1982	12.0 °C	1,159 mm	22	108
1981	34.8 °C31 July 1981	-21.7 °C5 January 1981	10.5 °C	1,315 mm	20	120
1980	32.0 °C14 June 1980	-15.7 °C29 December 1980	10.6 °C	1,342 mm	1	110
1979	32.4 °C14 August 1979	-18.8 °C5 February 1979	12.0 °C	1,286 mm	16	102
1978	35.5 °C28 July 1978	-19.0 °C15 February 1978	12.1 °C	1,275 mm	26	107
1977	34.9 °C29 July 1977	-18.4 °C29 January 1977	11.9 °C	954 mm	24	99
1976	32.5 °C25 July 1976	-17.7 °C27 December 1976	11.1 °C	1,281 mm	6	118
1975	33.6 °C19 August 1975	-11.7 °C18 January 1975	12.1 °C	1,410 mm	26	105
1974	33.0 °C19 August 1974	-16.3 °C28 January 1974	10.7 °C	1,315 mm	12	122
1973	35.3 °C18 July 1973	-18.8 °C24 December 1973	11.7 °C	979 mm	30	114
1972	35.3 °C20 July 1972	-14.7 °C15 February 1972	11.4 °C	1,789 mm	17	109
1971	32.7 °C2 August 1971	-18.1 °C5 January 1971	11.2 °C	1,487 mm	10	103
1970	34.7 °C12 August 1970	-22.5 °C15 January 1970	11.1 °C	1,287 mm	10	126
1969	31.3 °C9 August 1969	-23.4 °C3 February 1969	10.5 °C	1,522 mm	8	128
1968	33.2 °C3 August 1968	-14.4 °C15 January 1968	11.4 °C	1,149 mm	15	107
1967	34.7 °C26 July 1967	-19.3 °C30 December 1967	11.3 °C	1,043 mm	22	110
1966	32.8 °C30 August 1966	-18.3 °C27 December 1966	11.4 °C	1,311 mm	22	105
1965	34.7 °C25 June 1965	-18.1 °C17 December 1965	11.3 °C	1,058 mm	21	123
1964	35.3 °C2 August 1964	-20.8 °C13 February 1964	11.8 °C	1,838 mm	28	123
1963	34.0 °C8 August 1963	-23.9 °C24 January 1963	11.0 °C	1,349 mm	25	115
1962	34.1 °C5 July 1962	-11.1 °C28 January 1962	11.6 °C	1,419 mm	32	121
1961	35.7 °C1 August 1961	-20.1 °C12 January 1961	12.3 °C	1,310 mm	42	102
1960	34.1 °C10 August 1960	-19.9 °C28 January 1960	12.1 °C	1,095 mm	41	114
1959	36.5 °C3 August 1959	-21.0 °C18 January 1959	12.1 °C	1,403 mm	30	100
1958	36.5 °C24 June 1958	-23.9 °C19 January 1958	11.4 °C	1,355 mm	36	113
1957	33.2 °C10 August 1957	-23.1 °C22 January 1957	10.5 °C	1,248 mm	13	128
1956	36.7 °C2 August 1956	-17.5 °C23 December 1956	10.0 °C	1,632 mm	27	132
1955	33.7 °C27 August 1955	-17.8 °C11 January 1955	11.5 °C	1,281 mm	46	120
1954	33.5 °C16 August 1954	-14.5 °C3 February 1954	11.6 °C	1,469 mm	23	108
1953	34.3 °C17 August 1953	-18.5 °C16 January 1953	11.2 °C	987 mm	26	127
1952	36.1 °C22 July 1952	-16.0 °C2 February 1952	11.6 °C	990 mm	45	118
1951	36.2 °C1 July 1951	-25.0 °C13 January 1951	11.2 °C	830 mm	31	117
1950	34.0 °C27 July 1950	-20.6 °C6 January 1950	11.1 °C	1,008 mm	28	120
1949	33.4 °C18 July 1949	-16.3 °C29 December 1949	11.1 °C	941 mm	17	127
1948	31.7 °C11 July 1948	-20.8 °C28 January 1948	11.2 °C	1,538 mm	20	110
1947	31.7 °C31 July 1947	-18.8 °C19 December 1947	9.4 °C	1,356 mm	2	139
1946	36.2 °C28 July 1946	-16.5 °C28 December 1946	11.3 °C	713 mm	26	123
1945	32.3 °C3 August 1945	-22.3 °C27 January 1945	9.8 °C	1,460 mm	10	130
1944	34.5 °C6 August 1944	-15.4 °C20 January 1944	10.8 °C	1,179 mm	21	126
1943	31.5 °C18 August 1943	-18.5 °C12 January 1943	11.2 °C	934 mm	16	122
1942	34.7 °C23 June 1942	-18.2 °C17 January 1942	10.9 °C	438 mm	47	140
1941	32.8 °C8 August 1941	-23.1 °C25 January 1941	10.2 °C	913 mm	4	125
1940	32.4 °C1 August 1940	-19.2 °C10 January 1940	10.1 °C	1,079 mm	6	138

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

17.8 °C

+1.4 °C

Hot days (≥ 30 °C)

55 d/yr

+30

Frost days (< 0 °C)

109 d/yr

-4

Annual rainfall

1260 mm

+37 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	3.2 °C	+2.3 °C	19 mm	-1 mm
Feb	3.3 °C	-0.5 °C	4 mm	-20 mm
Mar	12.6 °C	+2.7 °C	43 mm	+1 mm
Apr	17.9 °C	+0.9 °C	98 mm	+21 mm
May	21.6 °C	-0.8 °C	86 mm	-8 mm
Jun	27.4 °C	+1.3 °C	162 mm	+28 mm
Jul	31.1 °C	+2.9 °C	195 mm	-123 mm
Aug	31.1 °C	+1.9 °C	201 mm	-49 mm
Sep	26.9 °C	+1.7 °C	232 mm	+92 mm
Oct	20.0 °C	+0.9 °C	167 mm	+116 mm
Nov	13.5 °C	+2.4 °C	12 mm	-34 mm
Dec	4.4 °C	+1.0 °C	41 mm	+16 mm

The year's extremes

Hottest day

36.6 °C

8 Jul 2025

Coldest day

-14.9 °C

10 Jan 2025

Wettest day

68.5 mm

20 Jun 2025

Windiest day

34.9 km/h

20 Jun 2025

Strongest gust

85.0 km/h

20 Jun 2025

Hottest feels-like

44.4 °C

8 Jul 2025

Coldest feels-like

-19.4 °C

10 Jan 2025

Snowiest day

6.4 cm

3 Mar 2025

Sunniest day

13.7 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 Goyang-si?

Goyang-si has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 1,223 mm of precipitation per year.

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

The hottest day measured in Goyang-si between 1940 and 2025 was 1 August 2018, reaching 37.9 °C.

What is the coldest day in Goyang-si?

The coldest day measured in Goyang-si between 1940 and 2025 was 14 January 2001, at -26.5 °C.

Does it snow in Goyang-si?

Yes. Goyang-si gets on average 20.9 cm of snow per year and has around 113 frost days.

Has the climate of Goyang-si warmed?

Yes: Goyang-si warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Goyang-si?

The wettest day measured in Goyang-si between 1940 and 2025 was 7 August 2002, with 214 mm of rain in 24 hours.

What was the windiest day in Goyang-si?

The windiest day measured in Goyang-si between 1940 and 2025 was 7 September 2019, with winds reaching 56.3 km/h.

What is the warmest month in Goyang-si?

The warmest month in Goyang-si is August (25.5 °C on average); the coldest is January (-4.0 °C).

How much does it rain in Goyang-si?

Goyang-si receives on average 1,223 mm of precipitation per year, spread over about 99 rainy days.

Is it sunny in Goyang-si?

Goyang-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 Goyang-si?

The heaviest 24-hour snowfall measured in Goyang-si between 1940 and 2025 was 8 March 1991, with 16.3 cm.

Are there tropical nights in Goyang-si?

Yes: Goyang-si has on average 61 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

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

In Goyang-si, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 1 August 2018, and the lowest was -32.3 °C on 14 January 2001.

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