Gwangyang climate — normals and trends

Q: What is the climate of Gwangyang?

Gwangyang has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,520 mm of precipitation per year.

Q: What is the hottest day ever recorded in Gwangyang?

The hottest day measured in Gwangyang between 1940 and 2025 was 4 August 1983, reaching 35.6 °C.

Q: What is the coldest day in Gwangyang?

The coldest day measured in Gwangyang between 1940 and 2025 was 15 January 2001, at -15.4 °C.

Q: Does it snow in Gwangyang?

Yes. Gwangyang gets on average 8.1 cm of snow per year and has around 82 frost days.

Q: Has the climate of Gwangyang warmed?

Yes: Gwangyang warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Gwangyang?

The wettest day measured in Gwangyang between 1940 and 2025 was 2 September 1981, with 206 mm of rain in 24 hours.

Q: What was the windiest day in Gwangyang?

The windiest day measured in Gwangyang between 1940 and 2025 was 28 August 1986, with winds reaching 55.1 km/h.

Q: What is the warmest month in Gwangyang?

The warmest month in Gwangyang is August (25.6 °C on average); the coldest is January (-0.2 °C).

Q: How much does it rain in Gwangyang?

Gwangyang receives on average 1,520 mm of precipitation per year, spread over about 105 rainy days.

Q: Is it sunny in Gwangyang?

Gwangyang gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Gwangyang (South Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 13.1 °C and it receives 1,520 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 (25.6 °C on average) and the coldest is January (-0.2 °C). Rainfall peaks in July.

Gwangyang averages 82 frost days, 19 hot days (≥ 30 °C) and 105 rainy days per year.

Gwangyang has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The number of frost days there went from about 97 to 67 per year over the period.

The hottest day of the period reached 35.6 °C (on 4 August 1983) and the coldest -15.4 °C (on 15 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

GwangyangJeollanam-do

coords: 34.94°, 127.70°
period: 1940–2025 · 86 yrs

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

Mean daily temperature

13.1°C

Average daily high

17.4°C

Average daily low

9.5°C

Annual rainfall

1,520mm

Sunshine / day

8.8h

Mean relative humidity

75%

Average peak wind

13.8km/h

Seasonal range

25.8°C

Frost days (< 0 °C)

82 d/yr

Hot days (≥ 30 °C)

19 d/yr

Rainy days (≥ 1 mm)

105 d/yr

Annual snowfall

8.1 cm

Average feels-like high

17.0 °C

Average feels-like low

8.4 °C

Average peak gust

35.4 km/h

Tropical nights (≥ 20 °C)

70 d/yr

Solar radiation

15.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.65 · 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

35.6 °C

4 August 1983

Coldest day

-15.4 °C

15 January 2001

Wettest day

206 mm

2 September 1981

Windiest day

55.1 km/h

28 August 1986

Strongest gust

157.0 km/h

15 July 1987

Hottest feels-like

43.4 °C

23 July 2004

Coldest feels-like

-20.6 °C

15 January 2001

Snowiest day

15.5 cm

11 February 1994

Sunniest day

13.9 h

26 June 1951

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.0 °C7 July 2025	-11.8 °C10 January 2025	14.5 °C	1,424 mm	55	81
2024	34.9 °C3 August 2024	-8.1 °C24 January 2024	15.4 °C	1,876 mm	58	58
2023	33.7 °C5 August 2023	-13.9 °C25 January 2023	14.7 °C	1,953 mm	30	70
2022	32.8 °C6 August 2022	-8.5 °C19 December 2022	14.2 °C	1,152 mm	26	80
2021	33.9 °C7 August 2021	-12.7 °C8 January 2021	14.6 °C	1,226 mm	26	57
2020	34.9 °C19 August 2020	-8.9 °C31 December 2020	14.2 °C	1,871 mm	18	56
2019	33.2 °C14 August 2019	-6.8 °C1 February 2019	14.4 °C	1,779 mm	23	68
2018	34.9 °C29 July 2018	-12.7 °C27 January 2018	13.9 °C	1,649 mm	38	71
2017	34.8 °C6 August 2017	-9.3 °C15 January 2017	14.0 °C	1,029 mm	34	81
2016	34.3 °C14 August 2016	-11.8 °C25 January 2016	14.5 °C	1,828 mm	34	67
2015	32.6 °C30 July 2015	-8.6 °C9 February 2015	14.2 °C	1,471 mm	16	59
2014	32.0 °C10 July 2014	-8.5 °C10 January 2014	13.9 °C	1,497 mm	11	72
2013	33.7 °C11 August 2013	-11.8 °C4 January 2013	14.0 °C	1,086 mm	36	78
2012	34.3 °C1 August 2012	-11.2 °C31 December 2012	13.2 °C	1,727 mm	24	79
2011	33.0 °C1 September 2011	-12.9 °C16 January 2011	13.4 °C	1,645 mm	19	86
2010	33.0 °C2 August 2010	-9.5 °C14 January 2010	13.6 °C	1,711 mm	25	74
2009	32.2 °C28 August 2009	-11.8 °C31 December 2009	13.9 °C	1,469 mm	11	60
2008	33.0 °C8 July 2008	-8.1 °C13 February 2008	13.9 °C	988 mm	22	80
2007	34.1 °C28 July 2007	-5.8 °C14 January 2007	14.3 °C	1,572 mm	21	58
2006	34.0 °C17 August 2006	-11.2 °C4 February 2006	14.0 °C	1,537 mm	24	70
2005	33.3 °C22 July 2005	-11.1 °C18 December 2005	13.3 °C	1,033 mm	24	94
2004	35.4 °C31 July 2004	-11.1 °C22 January 2004	14.5 °C	1,466 mm	31	64
2003	32.4 °C4 August 2003	-10.6 °C6 January 2003	13.7 °C	1,959 mm	11	67
2002	32.8 °C29 August 2002	-6.0 °C3 January 2002	13.7 °C	1,744 mm	16	58
2001	33.2 °C4 August 2001	-15.4 °C15 January 2001	13.7 °C	1,247 mm	27	80
2000	33.5 °C12 August 2000	-9.3 °C21 January 2000	13.5 °C	1,315 mm	31	77
1999	32.0 °C17 August 1999	-8.4 °C3 February 1999	13.7 °C	2,211 mm	11	75
1998	31.6 °C4 August 1998	-9.1 °C25 January 1998	14.5 °C	1,909 mm	21	53
1997	32.7 °C23 July 1997	-11.9 °C7 January 1997	13.7 °C	1,448 mm	28	74
1996	33.6 °C19 July 1996	-10.8 °C2 February 1996	13.0 °C	1,499 mm	29	93
1995	33.5 °C14 August 1995	-8.5 °C26 December 1995	12.9 °C	1,288 mm	18	91
1994	34.8 °C20 July 1994	-10.9 °C24 January 1994	14.0 °C	1,001 mm	36	86
1993	30.0 °C11 August 1993	-11.3 °C21 January 1993	12.8 °C	1,815 mm	1	81
1992	31.9 °C28 July 1992	-7.5 °C20 January 1992	13.4 °C	1,305 mm	12	71
1991	32.2 °C20 August 1991	-10.9 °C23 February 1991	13.2 °C	1,798 mm	6	67
1990	33.0 °C29 July 1990	-11.8 °C26 January 1990	14.1 °C	1,670 mm	26	51
1989	31.6 °C31 July 1989	-8.9 °C29 January 1989	13.7 °C	1,777 mm	8	55
1988	32.2 °C10 August 1988	-9.6 °C4 February 1988	12.9 °C	971 mm	16	88
1987	30.2 °C8 July 1987	-9.5 °C1 February 1987	13.1 °C	1,985 mm	2	79
1986	31.8 °C2 August 1986	-10.5 °C5 January 1986	12.4 °C	1,686 mm	8	88
1985	32.5 °C8 August 1985	-11.7 °C30 January 1985	12.9 °C	2,434 mm	24	86
1984	32.7 °C11 August 1984	-12.0 °C7 February 1984	12.6 °C	1,353 mm	19	94
1983	35.6 °C4 August 1983	-14.0 °C20 January 1983	13.0 °C	1,652 mm	16	93
1982	31.3 °C10 August 1982	-13.7 °C7 February 1982	13.0 °C	1,412 mm	10	83
1981	32.8 °C21 July 1981	-11.4 °C27 February 1981	12.6 °C	1,820 mm	13	101
1980	30.2 °C24 July 1980	-12.6 °C18 January 1980	12.1 °C	1,754 mm	1	87
1979	32.4 °C11 August 1979	-9.7 °C2 February 1979	13.3 °C	1,855 mm	14	78
1978	32.6 °C5 July 1978	-9.9 °C18 February 1978	13.6 °C	1,402 mm	26	86
1977	32.8 °C1 August 1977	-13.2 °C16 February 1977	13.2 °C	1,278 mm	17	79
1976	31.8 °C11 August 1976	-11.4 °C27 December 1976	12.5 °C	1,458 mm	9	87
1975	33.0 °C17 August 1975	-8.5 °C29 January 1975	13.4 °C	1,504 mm	22	84
1974	31.7 °C7 August 1974	-9.9 °C26 February 1974	12.3 °C	1,929 mm	10	89
1973	32.8 °C14 August 1973	-11.0 °C24 December 1973	13.3 °C	1,320 mm	32	89
1972	32.7 °C23 July 1972	-7.6 °C3 January 1972	13.0 °C	2,446 mm	9	69
1971	32.6 °C15 August 1971	-12.1 °C6 January 1971	12.9 °C	1,251 mm	22	85
1970	33.0 °C11 August 1970	-12.9 °C5 January 1970	12.6 °C	1,597 mm	18	102
1969	31.3 °C15 August 1969	-13.9 °C6 February 1969	12.3 °C	1,677 mm	12	96
1968	31.9 °C23 July 1968	-12.6 °C2 February 1968	12.6 °C	989 mm	8	87
1967	34.0 °C9 August 1967	-14.3 °C16 January 1967	12.9 °C	1,166 mm	35	96
1966	32.9 °C6 August 1966	-11.3 °C20 January 1966	12.7 °C	1,420 mm	15	89
1965	31.5 °C14 August 1965	-11.9 °C6 February 1965	12.4 °C	1,516 mm	11	98
1964	32.6 °C16 August 1964	-8.3 °C13 February 1964	13.5 °C	1,196 mm	35	85
1963	32.7 °C2 August 1963	-13.4 °C24 January 1963	12.1 °C	2,013 mm	15	100
1962	32.0 °C31 July 1962	-10.2 °C1 February 1962	12.6 °C	1,887 mm	14	101
1961	33.3 °C17 July 1961	-10.9 °C1 February 1961	13.6 °C	1,608 mm	29	81
1960	33.9 °C21 July 1960	-12.1 °C24 January 1960	13.2 °C	1,717 mm	28	82
1959	32.6 °C27 July 1959	-12.2 °C18 January 1959	13.4 °C	1,763 mm	23	63
1958	32.7 °C21 July 1958	-11.2 °C3 January 1958	13.1 °C	1,705 mm	20	81
1957	31.6 °C18 July 1957	-12.8 °C11 February 1957	12.2 °C	1,599 mm	5	98
1956	33.7 °C9 August 1956	-11.0 °C9 January 1956	11.9 °C	2,338 mm	23	109
1955	32.5 °C21 July 1955	-13.2 °C11 January 1955	13.0 °C	1,246 mm	19	87
1954	33.4 °C8 August 1954	-8.8 °C3 February 1954	13.1 °C	1,808 mm	18	81
1953	33.6 °C23 August 1953	-10.2 °C1 February 1953	12.9 °C	1,457 mm	28	90
1952	31.5 °C15 August 1952	-10.1 °C6 February 1952	12.7 °C	1,268 mm	9	92
1951	31.4 °C29 July 1951	-10.5 °C13 January 1951	12.9 °C	1,257 mm	11	84
1950	30.8 °C9 August 1950	-11.6 °C7 January 1950	12.6 °C	1,392 mm	8	89
1949	30.4 °C18 July 1949	-10.8 °C28 December 1949	12.3 °C	1,476 mm	2	82
1948	30.0 °C5 August 1948	-7.1 °C18 January 1948	13.1 °C	1,740 mm	1	61
1947	30.5 °C11 August 1947	-13.1 °C3 February 1947	11.2 °C	1,217 mm	2	108
1946	32.8 °C28 July 1946	-10.6 °C6 January 1946	12.7 °C	927 mm	20	94
1945	31.4 °C12 August 1945	-13.7 °C28 January 1945	11.5 °C	1,361 mm	3	105
1944	31.2 °C6 August 1944	-8.7 °C8 January 1944	12.2 °C	1,273 mm	6	104
1943	30.3 °C17 August 1943	-12.1 °C12 January 1943	12.1 °C	1,118 mm	1	92
1942	33.2 °C3 August 1942	-13.7 °C13 February 1942	12.2 °C	612 mm	19	100
1941	30.1 °C7 August 1941	-14.0 °C25 January 1941	11.9 °C	895 mm	1	89
1940	30.7 °C14 July 1940	-11.7 °C8 February 1940	11.7 °C	985 mm	1	107

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

19.1 °C

+1.7 °C

Hot days (≥ 30 °C)

55 d/yr

+36

Frost days (< 0 °C)

81 d/yr

-1

Annual rainfall

1424 mm

-96 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	6.5 °C	+1.8 °C	10 mm	-20 mm
Feb	5.5 °C	-1.2 °C	35 mm	-10 mm
Mar	13.4 °C	+1.9 °C	71 mm	-8 mm
Apr	19.0 °C	+1.7 °C	70 mm	-63 mm
May	21.2 °C	-0.6 °C	183 mm	+40 mm
Jun	26.4 °C	+1.9 °C	186 mm	-32 mm
Jul	30.8 °C	+3.2 °C	204 mm	-108 mm
Aug	30.9 °C	+2.1 °C	275 mm	+34 mm
Sep	27.5 °C	+2.4 °C	195 mm	+16 mm
Oct	22.1 °C	+2.0 °C	154 mm	+92 mm
Nov	15.3 °C	+1.7 °C	25 mm	-26 mm
Dec	9.2 °C	+2.0 °C	16 mm	-10 mm

The year's extremes

Hottest day

34.0 °C

7 Jul 2025

Coldest day

-11.8 °C

10 Jan 2025

Wettest day

89.8 mm

3 Oct 2025

Windiest day

30.9 km/h

13 Apr 2025

Strongest gust

78.8 km/h

18 Mar 2025

Hottest feels-like

41.3 °C

7 Jul 2025

Coldest feels-like

-17.1 °C

10 Jan 2025

Snowiest day

3.0 cm

1 Feb 2025

Sunniest day

13.5 h

23 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 Gwangyang?

Gwangyang has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,520 mm of precipitation per year.

What is the hottest day ever recorded in Gwangyang?

The hottest day measured in Gwangyang between 1940 and 2025 was 4 August 1983, reaching 35.6 °C.

What is the coldest day in Gwangyang?

The coldest day measured in Gwangyang between 1940 and 2025 was 15 January 2001, at -15.4 °C.

Does it snow in Gwangyang?

Yes. Gwangyang gets on average 8.1 cm of snow per year and has around 82 frost days.

Has the climate of Gwangyang warmed?

Yes: Gwangyang warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Gwangyang?

The wettest day measured in Gwangyang between 1940 and 2025 was 2 September 1981, with 206 mm of rain in 24 hours.

What was the windiest day in Gwangyang?

The windiest day measured in Gwangyang between 1940 and 2025 was 28 August 1986, with winds reaching 55.1 km/h.

What is the warmest month in Gwangyang?

The warmest month in Gwangyang is August (25.6 °C on average); the coldest is January (-0.2 °C).

How much does it rain in Gwangyang?

Gwangyang receives on average 1,520 mm of precipitation per year, spread over about 105 rainy days.

Is it sunny in Gwangyang?

Gwangyang gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

What is the biggest single-day snowfall in Gwangyang?

The heaviest 24-hour snowfall measured in Gwangyang between 1940 and 2025 was 11 February 1994, with 15.5 cm.

Are there tropical nights in Gwangyang?

Yes: Gwangyang has on average 70 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Gwangyang?

In Gwangyang, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 23 July 2004, and the lowest was -20.6 °C on 15 January 2001.

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