Sintansin climate — normals and trends

Q: What is the climate of Sintansin?

Sintansin has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 1,120 mm of precipitation per year.

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

The hottest day measured in Sintansin between 1940 and 2025 was 15 August 2018, reaching 39.5 °C.

Q: What is the coldest day in Sintansin?

The coldest day measured in Sintansin between 1940 and 2025 was 16 January 1967, at -23.4 °C.

Q: Does it snow in Sintansin?

Yes. Sintansin gets on average 19.2 cm of snow per year and has around 103 frost days.

Q: Has the climate of Sintansin warmed?

Yes: Sintansin warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Sintansin?

The wettest day measured in Sintansin between 1940 and 2025 was 30 September 1998, with 161 mm of rain in 24 hours.

Q: What was the windiest day in Sintansin?

The windiest day measured in Sintansin between 1940 and 2025 was 28 August 2012, with winds reaching 42.7 km/h.

Q: What is the warmest month in Sintansin?

The warmest month in Sintansin is August (25.7 °C on average); the coldest is January (-2.1 °C).

Q: How much does it rain in Sintansin?

Sintansin receives on average 1,120 mm of precipitation per year, spread over about 99 rainy days.

Q: Is it sunny in Sintansin?

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

Sintansin (South Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 1,120 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 (25.7 °C on average) and the coldest is January (-2.1 °C). Rainfall peaks in July.

Sintansin averages 103 frost days, 36 hot days (≥ 30 °C) and 99 rainy days per year.

Sintansin has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The number of frost days there went from about 116 to 90 per year over the period.

The hottest day of the period reached 39.5 °C (on 15 August 2018) and the coldest -23.4 °C (on 16 January 1967).

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

SintansinDaejeon

coords: 36.45°, 127.43°
period: 1940–2025 · 86 yrs

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

Mean daily temperature

12.4°C

Average daily high

17.3°C

Average daily low

8.0°C

Annual rainfall

1,120mm

Sunshine / day

8.7h

Mean relative humidity

69%

Average peak wind

14.5km/h

Seasonal range

27.8°C

Frost days (< 0 °C)

103 d/yr

Hot days (≥ 30 °C)

36 d/yr

Rainy days (≥ 1 mm)

99 d/yr

Annual snowfall

19.2 cm

Average feels-like high

16.2 °C

Average feels-like low

6.5 °C

Average peak gust

34.1 km/h

Tropical nights (≥ 20 °C)

61 d/yr

Solar radiation

14.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.1 °C

since 1940

+0.3 °C per decade · r² = 0.57 · 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

39.5 °C

15 August 2018

Coldest day

-23.4 °C

16 January 1967

Wettest day

161 mm

30 September 1998

Windiest day

42.7 km/h

28 August 2012

Strongest gust

123.5 km/h

28 August 1986

Hottest feels-like

44.2 °C

13 August 2018

Coldest feels-like

-28.6 °C

16 January 1967

Snowiest day

17.8 cm

5 March 2004

Sunniest day

14.1 h

2 July 1944

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.2 °C29 July 2025	-13.5 °C10 January 2025	14.0 °C	1,298 mm	72	94
2024	35.9 °C19 June 2024	-11.0 °C23 January 2024	14.7 °C	1,246 mm	74	76
2023	35.2 °C6 August 2023	-16.8 °C25 January 2023	14.2 °C	1,620 mm	56	92
2022	35.4 °C21 June 2022	-14.2 °C24 December 2022	13.3 °C	946 mm	53	97
2021	35.8 °C30 July 2021	-20.2 °C8 January 2021	13.8 °C	1,111 mm	48	74
2020	35.1 °C9 June 2020	-12.4 °C31 December 2020	13.3 °C	1,382 mm	35	83
2019	35.6 °C5 August 2019	-8.9 °C6 December 2019	13.6 °C	937 mm	39	95
2018	39.5 °C15 August 2018	-15.4 °C27 January 2018	13.2 °C	1,061 mm	56	89
2017	35.6 °C5 August 2017	-11.2 °C14 December 2017	13.2 °C	797 mm	44	111
2016	37.7 °C12 August 2016	-14.5 °C24 January 2016	14.1 °C	921 mm	62	97
2015	35.4 °C7 August 2015	-11.1 °C9 February 2015	13.7 °C	748 mm	39	90
2014	34.9 °C25 July 2014	-10.5 °C14 December 2014	13.4 °C	1,019 mm	35	97
2013	34.3 °C9 August 2013	-16.4 °C4 January 2013	12.9 °C	975 mm	62	108
2012	36.5 °C6 August 2012	-15.2 °C9 December 2012	12.5 °C	1,222 mm	45	112
2011	33.8 °C5 August 2011	-15.0 °C16 January 2011	12.6 °C	1,299 mm	45	104
2010	34.6 °C9 August 2010	-12.5 °C31 December 2010	12.9 °C	1,032 mm	61	100
2009	35.3 °C27 June 2009	-11.7 °C24 January 2009	13.4 °C	857 mm	43	93
2008	34.8 °C8 July 2008	-11.3 °C17 January 2008	13.3 °C	718 mm	49	92
2007	33.2 °C19 June 2007	-8.0 °C14 January 2007	13.3 °C	1,474 mm	34	98
2006	34.9 °C8 August 2006	-13.4 °C4 February 2006	13.1 °C	1,035 mm	42	93
2005	34.8 °C5 August 2005	-14.5 °C18 December 2005	12.5 °C	991 mm	44	119
2004	35.5 °C31 July 2004	-15.7 °C22 January 2004	13.3 °C	1,131 mm	42	87
2003	32.5 °C22 August 2003	-14.8 °C5 January 2003	12.7 °C	1,615 mm	15	88
2002	34.7 °C6 June 2002	-10.1 °C28 December 2002	12.9 °C	1,221 mm	33	96
2001	35.0 °C7 June 2001	-17.9 °C15 January 2001	13.1 °C	855 mm	58	106
2000	33.9 °C4 July 2000	-20.4 °C29 December 2000	12.6 °C	1,294 mm	47	110
1999	34.3 °C17 August 1999	-11.6 °C9 January 1999	13.2 °C	1,370 mm	42	94
1998	32.8 °C12 September 1998	-12.0 °C24 January 1998	13.7 °C	1,467 mm	20	87
1997	34.4 °C25 July 1997	-13.8 °C22 January 1997	12.8 °C	1,083 mm	49	91
1996	35.2 °C2 August 1996	-13.4 °C2 February 1996	12.3 °C	981 mm	40	107
1995	35.3 °C14 August 1995	-12.7 °C30 January 1995	12.3 °C	808 mm	35	108
1994	36.1 °C23 July 1994	-11.8 °C24 January 1994	13.6 °C	785 mm	60	102
1993	30.4 °C31 May 1993	-10.3 °C21 January 1993	12.1 °C	1,402 mm	4	100
1992	33.9 °C8 July 1992	-10.4 °C8 February 1992	12.7 °C	1,012 mm	31	90
1991	33.1 °C20 August 1991	-13.1 °C24 February 1991	12.4 °C	1,282 mm	14	98
1990	35.4 °C7 August 1990	-16.2 °C26 January 1990	13.2 °C	1,308 mm	38	76
1989	33.3 °C5 August 1989	-10.0 °C31 December 1989	13.1 °C	1,486 mm	21	80
1988	34.0 °C10 August 1988	-11.3 °C3 February 1988	12.2 °C	786 mm	24	104
1987	32.0 °C28 July 1987	-14.7 °C14 January 1987	12.4 °C	1,430 mm	14	103
1986	33.1 °C2 August 1986	-17.2 °C5 January 1986	11.7 °C	1,162 mm	12	105
1985	34.7 °C8 August 1985	-18.1 °C14 January 1985	12.1 °C	1,523 mm	39	100
1984	34.8 °C9 August 1984	-16.4 °C5 January 1984	11.9 °C	1,076 mm	34	115
1983	34.1 °C4 August 1983	-15.4 °C13 February 1983	12.4 °C	1,197 mm	29	110
1982	33.9 °C9 July 1982	-13.2 °C29 January 1982	12.7 °C	924 mm	24	97
1981	33.8 °C30 July 1981	-19.0 °C23 January 1981	11.4 °C	1,194 mm	26	114
1980	31.6 °C14 June 1980	-15.8 °C7 February 1980	11.2 °C	1,280 mm	6	96
1979	33.0 °C13 August 1979	-16.3 °C2 February 1979	12.6 °C	1,224 mm	22	94
1978	35.3 °C26 July 1978	-12.5 °C1 February 1978	13.1 °C	1,189 mm	58	95
1977	36.0 °C28 July 1977	-15.5 °C16 February 1977	12.6 °C	951 mm	29	86
1976	33.0 °C28 June 1976	-14.6 °C27 December 1976	11.7 °C	1,090 mm	16	105
1975	34.0 °C30 July 1975	-9.3 °C19 January 1975	12.7 °C	1,222 mm	40	103
1974	32.9 °C20 August 1974	-18.9 °C24 January 1974	11.2 °C	1,476 mm	21	113
1973	34.6 °C25 July 1973	-17.0 °C24 December 1973	12.4 °C	926 mm	49	106
1972	33.8 °C22 July 1972	-8.6 °C13 December 1972	12.3 °C	1,559 mm	22	92
1971	33.6 °C2 August 1971	-14.5 °C5 January 1971	12.0 °C	1,294 mm	24	100
1970	33.7 °C11 August 1970	-18.9 °C16 January 1970	11.8 °C	955 mm	27	119
1969	33.8 °C9 August 1969	-20.3 °C3 February 1969	11.5 °C	1,340 mm	27	117
1968	33.1 °C25 July 1968	-12.6 °C15 January 1968	12.2 °C	789 mm	25	106
1967	35.9 °C9 August 1967	-23.4 °C16 January 1967	12.1 °C	967 mm	47	110
1966	33.5 °C8 August 1966	-15.1 °C20 January 1966	12.2 °C	836 mm	37	103
1965	35.1 °C25 June 1965	-15.1 °C17 December 1965	11.9 °C	934 mm	43	120
1964	35.1 °C17 August 1964	-15.3 °C13 February 1964	12.8 °C	1,386 mm	48	108
1963	33.2 °C19 July 1963	-20.2 °C24 January 1963	11.5 °C	1,381 mm	27	114
1962	35.2 °C1 July 1962	-9.5 °C1 February 1962	12.4 °C	1,108 mm	53	115
1961	35.0 °C19 July 1961	-16.4 °C12 January 1961	13.1 °C	1,300 mm	51	104
1960	36.1 °C17 August 1960	-17.1 °C28 January 1960	12.8 °C	1,066 mm	52	99
1959	37.2 °C3 August 1959	-16.2 °C5 January 1959	12.8 °C	1,296 mm	42	90
1958	36.1 °C25 June 1958	-20.1 °C28 January 1958	12.2 °C	1,717 mm	38	96
1957	33.3 °C10 August 1957	-15.0 °C11 February 1957	11.5 °C	1,353 mm	17	121
1956	36.1 °C31 July 1956	-14.0 °C9 January 1956	11.1 °C	1,728 mm	33	122
1955	34.4 °C12 June 1955	-16.0 °C11 January 1955	12.4 °C	904 mm	58	117
1954	35.2 °C15 August 1954	-12.0 °C3 February 1954	12.4 °C	1,306 mm	31	101
1953	35.6 °C16 August 1953	-14.2 °C1 February 1953	12.1 °C	1,140 mm	40	112
1952	36.2 °C13 August 1952	-12.7 °C3 February 1952	12.5 °C	881 mm	50	110
1951	35.4 °C30 June 1951	-21.9 °C13 January 1951	12.4 °C	641 mm	53	107
1950	32.6 °C10 August 1950	-16.1 °C7 January 1950	11.9 °C	1,014 mm	27	112
1949	32.4 °C24 July 1949	-14.1 °C29 December 1949	11.6 °C	917 mm	23	108
1948	31.4 °C12 July 1948	-13.1 °C28 January 1948	12.2 °C	1,317 mm	14	89
1947	31.8 °C23 August 1947	-15.4 °C3 February 1947	10.3 °C	991 mm	12	131
1946	37.2 °C28 July 1946	-14.2 °C29 December 1946	12.2 °C	670 mm	51	115
1945	31.0 °C22 August 1945	-19.3 °C18 January 1945	10.6 °C	1,034 mm	11	120
1944	33.5 °C6 August 1944	-12.8 °C16 December 1944	11.5 °C	914 mm	24	122
1943	31.7 °C10 August 1943	-16.2 °C12 January 1943	11.7 °C	817 mm	9	115
1942	35.0 °C19 July 1942	-17.4 °C18 January 1942	11.8 °C	359 mm	68	127
1941	31.9 °C7 August 1941	-21.9 °C25 January 1941	10.9 °C	838 mm	3	122
1940	31.4 °C31 July 1940	-15.8 °C10 January 1940	11.0 °C	1,093 mm	6	127

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

+1.8 °C

Hot days (≥ 30 °C)

72 d/yr

+36

Frost days (< 0 °C)

94 d/yr

-9

Annual rainfall

1298 mm

+178 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	4.5 °C	+2.2 °C	13 mm	-13 mm
Feb	4.3 °C	-0.7 °C	10 mm	-21 mm
Mar	13.7 °C	+2.7 °C	52 mm	-3 mm
Apr	20.5 °C	+2.2 °C	60 mm	-23 mm
May	23.1 °C	-0.5 °C	91 mm	-0 mm
Jun	29.0 °C	+1.9 °C	262 mm	+129 mm
Jul	32.2 °C	+3.2 °C	200 mm	-52 mm
Aug	31.8 °C	+2.0 °C	92 mm	-97 mm
Sep	27.1 °C	+1.7 °C	257 mm	+119 mm
Oct	20.8 °C	+1.2 °C	219 mm	+167 mm
Nov	14.5 °C	+2.3 °C	11 mm	-33 mm
Dec	6.3 °C	+1.5 °C	32 mm	+6 mm

The year's extremes

Hottest day

36.2 °C

29 Jul 2025

Coldest day

-13.5 °C

10 Jan 2025

Wettest day

80.4 mm

21 Jun 2025

Windiest day

34.2 km/h

25 Mar 2025

Strongest gust

79.6 km/h

13 Apr 2025

Hottest feels-like

42.3 °C

29 Jul 2025

Coldest feels-like

-18.3 °C

10 Jan 2025

Snowiest day

5.1 cm

3 Mar 2025

Sunniest day

13.4 h

4 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 Sintansin?

Sintansin has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 1,120 mm of precipitation per year.

What is the hottest day ever recorded in Sintansin?

The hottest day measured in Sintansin between 1940 and 2025 was 15 August 2018, reaching 39.5 °C.

What is the coldest day in Sintansin?

The coldest day measured in Sintansin between 1940 and 2025 was 16 January 1967, at -23.4 °C.

Does it snow in Sintansin?

Yes. Sintansin gets on average 19.2 cm of snow per year and has around 103 frost days.

Has the climate of Sintansin warmed?

Yes: Sintansin warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Sintansin?

The wettest day measured in Sintansin between 1940 and 2025 was 30 September 1998, with 161 mm of rain in 24 hours.

What was the windiest day in Sintansin?

The windiest day measured in Sintansin between 1940 and 2025 was 28 August 2012, with winds reaching 42.7 km/h.

What is the warmest month in Sintansin?

The warmest month in Sintansin is August (25.7 °C on average); the coldest is January (-2.1 °C).

How much does it rain in Sintansin?

Sintansin receives on average 1,120 mm of precipitation per year, spread over about 99 rainy days.

Is it sunny in Sintansin?

Sintansin 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 Sintansin?

The heaviest 24-hour snowfall measured in Sintansin between 1940 and 2025 was 5 March 2004, with 17.8 cm.

Are there tropical nights in Sintansin?

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

What was the most extreme apparent temperature in Sintansin?

In Sintansin, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 13 August 2018, and the lowest was -28.6 °C on 16 January 1967.

Compare Sintansin with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Sintansin

Other cities — South Korea

All cities in South Korea →