Suncheon climate — normals and trends

Q: What is the climate of Suncheon?

Suncheon has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.7 °C and it receives 1,511 mm of precipitation per year.

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

The hottest day measured in Suncheon between 1940 and 2025 was 20 July 1994, reaching 36.8 °C.

Q: What is the coldest day in Suncheon?

The coldest day measured in Suncheon between 1940 and 2025 was 15 January 2001, at -16.6 °C.

Q: Does it snow in Suncheon?

Yes. Suncheon gets on average 9.2 cm of snow per year and has around 95 frost days.

Q: Has the climate of Suncheon warmed?

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

Q: What is the wettest day in Suncheon?

The wettest day measured in Suncheon between 1940 and 2025 was 2 September 1981, with 221 mm of rain in 24 hours.

Q: What was the windiest day in Suncheon?

The windiest day measured in Suncheon between 1940 and 2025 was 28 August 1986, with winds reaching 51.0 km/h.

Q: What is the warmest month in Suncheon?

The warmest month in Suncheon is August (25.3 °C on average); the coldest is January (-0.5 °C).

Q: How much does it rain in Suncheon?

Suncheon receives on average 1,511 mm of precipitation per year, spread over about 107 rainy days.

Q: Is it sunny in Suncheon?

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

Suncheon (South Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 12.7 °C and it receives 1,511 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 (25.3 °C on average) and the coldest is January (-0.5 °C). Rainfall peaks in July.

Suncheon averages 95 frost days, 23 hot days (≥ 30 °C) and 107 rainy days per year.

Suncheon 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 109 to 81 per year over the period.

The hottest day of the period reached 36.8 °C (on 20 July 1994) and the coldest -16.6 °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

SuncheonJeollanam-do

coords: 34.95°, 127.49°
period: 1940–2025 · 86 yrs

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

Mean daily temperature

12.7°C

Average daily high

17.6°C

Average daily low

8.5°C

Annual rainfall

1,511mm

Sunshine / day

8.7h

Mean relative humidity

74%

Average peak wind

13.3km/h

Seasonal range

25.8°C

Frost days (< 0 °C)

95 d/yr

Hot days (≥ 30 °C)

23 d/yr

Rainy days (≥ 1 mm)

107 d/yr

Annual snowfall

9.2 cm

Average feels-like high

17.1 °C

Average feels-like low

7.3 °C

Average peak gust

36.9 km/h

Tropical nights (≥ 20 °C)

62 d/yr

Solar radiation

15.1 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

36.8 °C

20 July 1994

Coldest day

-16.6 °C

15 January 2001

Wettest day

221 mm

2 September 1981

Windiest day

51.0 km/h

28 August 1986

Strongest gust

153.0 km/h

28 August 1986

Hottest feels-like

43.3 °C

9 August 1967

Coldest feels-like

-21.9 °C

15 January 2001

Snowiest day

14.1 cm

11 February 1994

Sunniest day

13.8 h

24 June 1958

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.1 °C7 July 2025	-12.5 °C10 January 2025	14.1 °C	1,438 mm	57	92
2024	34.9 °C3 August 2024	-8.5 °C24 January 2024	14.9 °C	1,863 mm	72	71
2023	34.4 °C5 August 2023	-14.9 °C25 January 2023	14.2 °C	1,984 mm	36	81
2022	33.0 °C6 August 2022	-9.3 °C24 December 2022	13.8 °C	1,074 mm	34	86
2021	33.9 °C7 August 2021	-15.8 °C8 January 2021	14.1 °C	1,224 mm	27	63
2020	35.1 °C19 August 2020	-9.8 °C31 December 2020	13.6 °C	1,830 mm	22	69
2019	33.2 °C14 August 2019	-7.0 °C27 January 2019	13.9 °C	1,678 mm	28	84
2018	34.8 °C26 July 2018	-13.2 °C27 January 2018	13.5 °C	1,582 mm	41	76
2017	35.1 °C6 August 2017	-9.9 °C15 January 2017	13.5 °C	1,057 mm	37	105
2016	34.9 °C13 August 2016	-13.7 °C25 January 2016	14.0 °C	1,736 mm	37	79
2015	33.4 °C30 July 2015	-9.0 °C9 February 2015	13.8 °C	1,401 mm	22	77
2014	32.1 °C31 July 2014	-9.5 °C10 January 2014	13.5 °C	1,425 mm	17	92
2013	34.3 °C11 August 2013	-11.6 °C4 January 2013	13.6 °C	1,186 mm	39	94
2012	34.9 °C1 August 2012	-11.1 °C26 January 2012	12.8 °C	1,720 mm	27	96
2011	33.7 °C20 July 2011	-13.0 °C16 January 2011	13.0 °C	1,708 mm	23	100
2010	33.2 °C21 August 2010	-10.5 °C14 January 2010	13.2 °C	1,617 mm	30	95
2009	31.9 °C15 August 2009	-14.4 °C31 December 2009	13.5 °C	1,460 mm	17	74
2008	33.7 °C8 July 2008	-8.5 °C18 February 2008	13.4 °C	973 mm	28	89
2007	33.7 °C26 July 2007	-6.5 °C3 February 2007	13.8 °C	1,570 mm	22	78
2006	33.8 °C9 August 2006	-12.1 °C4 February 2006	13.6 °C	1,572 mm	30	80
2005	34.1 °C22 July 2005	-11.9 °C18 December 2005	12.9 °C	1,063 mm	27	109
2004	35.8 °C23 July 2004	-11.9 °C22 January 2004	14.0 °C	1,415 mm	37	81
2003	32.3 °C4 August 2003	-11.0 °C6 January 2003	13.3 °C	1,938 mm	14	85
2002	33.4 °C25 July 2002	-6.2 °C3 January 2002	13.3 °C	1,745 mm	21	79
2001	33.8 °C4 August 2001	-16.6 °C15 January 2001	13.3 °C	1,259 mm	34	89
2000	33.6 °C12 August 2000	-9.5 °C21 January 2000	13.1 °C	1,330 mm	41	93
1999	32.7 °C17 August 1999	-9.5 °C4 February 1999	13.3 °C	2,116 mm	22	87
1998	32.0 °C5 August 1998	-9.7 °C25 January 1998	14.1 °C	1,884 mm	20	77
1997	33.6 °C23 July 1997	-12.2 °C22 January 1997	13.2 °C	1,458 mm	34	86
1996	33.9 °C2 August 1996	-11.1 °C2 February 1996	12.5 °C	1,550 mm	31	102
1995	34.2 °C14 August 1995	-8.6 °C2 February 1995	12.5 °C	1,326 mm	24	101
1994	36.8 °C20 July 1994	-11.2 °C24 January 1994	13.7 °C	924 mm	42	94
1993	31.4 °C11 August 1993	-13.3 °C22 January 1993	12.4 °C	1,760 mm	2	96
1992	32.7 °C28 July 1992	-7.8 °C20 January 1992	12.9 °C	1,285 mm	15	83
1991	32.9 °C20 August 1991	-11.9 °C23 February 1991	12.8 °C	1,784 mm	11	84
1990	33.6 °C6 August 1990	-12.1 °C25 January 1990	13.6 °C	1,642 mm	32	65
1989	32.4 °C31 July 1989	-10.7 °C29 January 1989	13.2 °C	1,714 mm	11	72
1988	32.8 °C3 August 1988	-10.6 °C4 February 1988	12.4 °C	960 mm	19	95
1987	31.0 °C5 August 1987	-10.9 °C1 February 1987	12.7 °C	2,058 mm	3	95
1986	32.2 °C2 August 1986	-11.0 °C5 January 1986	12.0 °C	1,700 mm	12	99
1985	33.3 °C8 August 1985	-12.2 °C30 January 1985	12.5 °C	2,449 mm	25	97
1984	33.3 °C11 August 1984	-12.5 °C7 February 1984	12.2 °C	1,369 mm	23	106
1983	35.6 °C4 August 1983	-15.1 °C20 January 1983	12.5 °C	1,620 mm	20	99
1982	31.5 °C17 August 1982	-12.8 °C7 February 1982	12.6 °C	1,376 mm	14	94
1981	33.6 °C19 July 1981	-11.9 °C27 February 1981	12.1 °C	1,877 mm	20	108
1980	30.0 °C24 July 1980	-12.9 °C18 January 1980	11.7 °C	1,802 mm	1	93
1979	32.6 °C12 August 1979	-12.7 °C3 February 1979	12.8 °C	1,793 mm	18	90
1978	33.1 °C25 July 1978	-10.3 °C18 February 1978	13.2 °C	1,410 mm	35	96
1977	33.6 °C1 August 1977	-13.4 °C16 February 1977	12.8 °C	1,267 mm	21	85
1976	31.8 °C11 August 1976	-11.5 °C27 December 1976	12.0 °C	1,490 mm	11	101
1975	33.7 °C17 August 1975	-9.6 °C24 December 1975	12.9 °C	1,487 mm	24	96
1974	31.7 °C16 August 1974	-10.3 °C26 February 1974	11.9 °C	1,952 mm	17	105
1973	33.9 °C14 August 1973	-11.3 °C24 December 1973	12.8 °C	1,281 mm	36	98
1972	33.4 °C23 July 1972	-7.4 °C3 January 1972	12.5 °C	2,366 mm	15	89
1971	33.3 °C1 August 1971	-12.5 °C6 January 1971	12.4 °C	1,292 mm	26	93
1970	33.7 °C11 August 1970	-13.4 °C5 January 1970	12.2 °C	1,596 mm	24	111
1969	32.0 °C8 August 1969	-13.0 °C3 February 1969	11.9 °C	1,724 mm	18	107
1968	32.6 °C24 July 1968	-15.3 °C12 February 1968	12.2 °C	1,028 mm	11	100
1967	35.4 °C9 August 1967	-15.0 °C16 January 1967	12.5 °C	1,130 mm	37	104
1966	33.4 °C8 August 1966	-11.9 °C24 January 1966	12.3 °C	1,349 mm	22	103
1965	31.9 °C14 August 1965	-11.7 °C3 February 1965	11.9 °C	1,514 mm	20	117
1964	32.7 °C16 August 1964	-10.2 °C4 February 1964	13.0 °C	1,183 mm	38	102
1963	32.7 °C2 August 1963	-15.4 °C24 January 1963	11.6 °C	2,036 mm	19	114
1962	32.6 °C31 July 1962	-11.0 °C1 February 1962	12.1 °C	1,832 mm	24	108
1961	33.9 °C17 July 1961	-11.7 °C17 January 1961	13.2 °C	1,613 mm	33	93
1960	34.3 °C21 July 1960	-14.1 °C25 January 1960	12.8 °C	1,695 mm	40	92
1959	33.0 °C3 August 1959	-12.9 °C17 January 1959	12.9 °C	1,762 mm	29	84
1958	33.6 °C7 August 1958	-12.3 °C3 January 1958	12.6 °C	1,733 mm	20	95
1957	31.7 °C18 July 1957	-12.8 °C11 February 1957	11.8 °C	1,595 mm	10	109
1956	34.8 °C9 August 1956	-12.0 °C9 January 1956	11.5 °C	2,367 mm	23	115
1955	33.2 °C21 July 1955	-13.3 °C11 January 1955	12.6 °C	1,250 mm	24	102
1954	34.2 °C15 August 1954	-9.0 °C3 February 1954	12.6 °C	1,759 mm	20	94
1953	34.0 °C23 August 1953	-10.7 °C1 February 1953	12.5 °C	1,442 mm	32	105
1952	31.9 °C14 August 1952	-10.4 °C4 February 1952	12.3 °C	1,291 mm	13	105
1951	31.8 °C29 July 1951	-11.3 °C13 January 1951	12.5 °C	1,222 mm	19	99
1950	31.7 °C10 August 1950	-12.2 °C7 January 1950	12.2 °C	1,361 mm	11	99
1949	31.1 °C18 July 1949	-10.9 °C28 December 1949	11.9 °C	1,444 mm	3	94
1948	30.4 °C6 August 1948	-8.5 °C18 January 1948	12.7 °C	1,706 mm	3	79
1947	30.7 °C10 August 1947	-13.2 °C3 February 1947	10.9 °C	1,272 mm	5	118
1946	34.0 °C28 July 1946	-11.0 °C5 January 1946	12.3 °C	911 mm	31	109
1945	31.4 °C12 August 1945	-13.9 °C18 January 1945	11.1 °C	1,337 mm	3	116
1944	32.0 °C6 August 1944	-9.4 °C8 January 1944	11.9 °C	1,248 mm	10	119
1943	30.5 °C16 August 1943	-12.9 °C1 February 1943	11.7 °C	1,130 mm	2	105
1942	33.8 °C3 August 1942	-13.7 °C13 February 1942	11.9 °C	656 mm	36	117
1941	30.8 °C7 August 1941	-14.5 °C25 January 1941	11.5 °C	922 mm	1	106
1940	31.0 °C14 July 1940	-12.3 °C10 January 1940	11.3 °C	1,050 mm	2	125

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

19.3 °C

+1.7 °C

Hot days (≥ 30 °C)

57 d/yr

+34

Frost days (< 0 °C)

92 d/yr

-3

Annual rainfall

1438 mm

-73 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	6.3 °C	+1.8 °C	11 mm	-18 mm
Feb	5.4 °C	-1.2 °C	35 mm	-8 mm
Mar	13.8 °C	+2.1 °C	64 mm	-13 mm
Apr	19.6 °C	+1.9 °C	74 mm	-53 mm
May	21.8 °C	-0.5 °C	164 mm	+24 mm
Jun	27.2 °C	+2.1 °C	198 mm	-20 mm
Jul	31.3 °C	+3.4 °C	225 mm	-101 mm
Aug	31.0 °C	+2.0 °C	275 mm	+33 mm
Sep	27.4 °C	+2.1 °C	190 mm	+17 mm
Oct	22.2 °C	+2.0 °C	160 mm	+100 mm
Nov	15.3 °C	+1.7 °C	26 mm	-26 mm
Dec	9.1 °C	+2.1 °C	18 mm	-9 mm

The year's extremes

Hottest day

35.1 °C

7 Jul 2025

Coldest day

-12.5 °C

10 Jan 2025

Wettest day

94.5 mm

3 Oct 2025

Windiest day

29.4 km/h

13 Apr 2025

Strongest gust

82.1 km/h

18 Mar 2025

Hottest feels-like

42.3 °C

7 Jul 2025

Coldest feels-like

-18.0 °C

10 Jan 2025

Snowiest day

2.4 cm

1 Feb 2025

Sunniest day

13.4 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 Suncheon?

Suncheon has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.7 °C and it receives 1,511 mm of precipitation per year.

What is the hottest day ever recorded in Suncheon?

The hottest day measured in Suncheon between 1940 and 2025 was 20 July 1994, reaching 36.8 °C.

What is the coldest day in Suncheon?

The coldest day measured in Suncheon between 1940 and 2025 was 15 January 2001, at -16.6 °C.

Does it snow in Suncheon?

Yes. Suncheon gets on average 9.2 cm of snow per year and has around 95 frost days.

Has the climate of Suncheon warmed?

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

What is the wettest day in Suncheon?

The wettest day measured in Suncheon between 1940 and 2025 was 2 September 1981, with 221 mm of rain in 24 hours.

What was the windiest day in Suncheon?

The windiest day measured in Suncheon between 1940 and 2025 was 28 August 1986, with winds reaching 51.0 km/h.

What is the warmest month in Suncheon?

The warmest month in Suncheon is August (25.3 °C on average); the coldest is January (-0.5 °C).

How much does it rain in Suncheon?

Suncheon receives on average 1,511 mm of precipitation per year, spread over about 107 rainy days.

Is it sunny in Suncheon?

Suncheon 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 Suncheon?

The heaviest 24-hour snowfall measured in Suncheon between 1940 and 2025 was 11 February 1994, with 14.1 cm.

Are there tropical nights in Suncheon?

Yes: Suncheon has on average 62 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Suncheon?

In Suncheon, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 9 August 1967, and the lowest was -21.9 °C on 15 January 2001.

Compare Suncheon with another city

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Nearby cities

The climate around Suncheon

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