Built 2026-10-19 (19 October 2026)

Incheon Threshold Days by Year (KS000047112)

14 fixed thresholds counted per year at Incheon (KS000047112): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Incheon Thresholds

  • Incheon: days with a maximum temperature at or below 0 C (32 F) in 61 years, most in 1956 with 43.
  • Incheon: days with a maximum temperature at or above 30 C (86 F) in 60 years, most in 2001 with 56.
  • Incheon: days with a maximum temperature at or above 90 F (32.2 C) in 53 years, most in 1994 with 25.
  • Incheon: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1956 with 121.
  • 14 fixed thresholds have at least one qualifying day at Incheon.
60 years with a qualifying day
Days at or above 30 C (86 F) per year at Incheon Days per year at Incheon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 56 in 2001. 02040601949: 481952: 251953: 121954: 131955: 311956: 151957: 71958: 221959: 201960: 191961: 221962: 181963: 161964: 191965: 41966: 171967: 241968: 181969: 71970: 141971: 81972: 111973: 151974: 81975: 281976: 71977: 221978: 211979: 161981: 121982: 141983: 161984: 261985: 231986: 81987: 11988: 211989: 181990: 251991: 101992: 151993: 21994: 461995: 191996: 251997: 431998: 261999: 402000: 452001: 562008: 92009: 62010: 202011: 122012: 282013: 212014: 92015: 162025: 412026: 401949195719631969197519821988199420002012
Days per year at Incheon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 56 in 2001.
Days at or above 30 C (86 F) per year at Incheon
YearDaysDecade average
19494848
19522518.1
19531218.1
19541318.1
19553118.1
19561518.1
1957718.1
19582218.1
19592018.1
19601916.4
19612216.4
19621816.4
19631616.4
19641916.4
1965416.4
19661716.4
19672416.4
19681816.4
1969716.4
19701415
1971815
19721115
19731515
1974815
19752815
1976715
19772215
19782115
19791615
19811215.4
19821415.4
19831615.4
19842615.4
19852315.4
1986815.4
1987115.4
19882115.4
19891815.4
19902525.1
19911025.1
19921525.1
1993225.1
19944625.1
19951925.1
19962525.1
19974325.1
19982625.1
19994025.1
20004529
20015629
2008929
2009629
20102017.7
20111217.7
20122817.7
20132117.7
2014917.7
20151617.7
20254140.5
20264040.5
First to last qualifying date each year at Incheon For each year, a bar from the first to the last day at Incheon meeting 30 C (86 F). 1949: 19 June 1949 to 14 September 19491952: 23 June 1952 to 10 September 19521953: 10 July 1953 to 21 August 19531954: 5 August 1954 to 25 August 19541955: 22 June 1955 to 7 September 19551956: 29 July 1956 to 5 September 19561957: 27 June 1957 to 25 August 19571958: 22 June 1958 to 8 August 19581959: 17 July 1959 to 30 August 19591960: 27 July 1960 to 22 August 19601961: 1 July 1961 to 4 September 19611962: 2 July 1962 to 21 August 19621963: 19 July 1963 to 14 September 19631964: 27 June 1964 to 29 August 19641965: 15 June 1965 to 2 July 19651966: 4 August 1966 to 31 August 19661967: 18 July 1967 to 1 September 19671968: 30 June 1968 to 28 August 19681969: 4 July 1969 to 29 August 19691970: 23 July 1970 to 8 September 19701971: 1 August 1971 to 30 August 19711972: 12 July 1972 to 17 August 19721973: 3 July 1973 to 16 August 19731974: 10 August 1974 to 21 August 19741975: 21 June 1975 to 8 September 19751976: 27 May 1976 to 18 August 19761977: 27 June 1977 to 30 August 19771978: 21 July 1978 to 15 September 19781979: 9 July 1979 to 26 August 19791981: 16 July 1981 to 15 August 19811982: 6 July 1982 to 12 August 19821983: 19 June 1983 to 1 September 19831984: 12 June 1984 to 26 August 19841985: 26 June 1985 to 30 August 19851986: 11 June 1986 to 26 August 19861987: 25 June 1987 to 25 June 19871988: 25 June 1988 to 18 August 19881989: 19 July 1989 to 24 August 19891990: 7 July 1990 to 7 September 19901991: 23 May 1991 to 26 August 19911992: 6 July 1992 to 31 August 19921993: 29 May 1993 to 9 August 19931994: 16 June 1994 to 4 September 19941995: 21 June 1995 to 21 August 19951996: 18 July 1996 to 24 August 19961997: 14 June 1997 to 7 September 19971998: 21 June 1998 to 20 September 19981999: 5 June 1999 to 13 September 19992000: 3 June 2000 to 4 September 20002001: 21 May 2001 to 16 September 20012008: 29 July 2008 to 18 September 20082009: 5 August 2009 to 19 August 20092010: 25 June 2010 to 7 September 20102011: 18 July 2011 to 3 September 20112012: 14 June 2012 to 27 August 20122013: 9 June 2013 to 26 August 20132014: 7 July 2014 to 9 August 20142015: 9 July 2015 to 1 September 20152025: 6 July 2025 to 11 September 20252026: 2 June 2026 to 29 August 202619491959196719751984199220002014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Incheon meeting 30 C (86 F).
First to last qualifying date each year at Incheon
YearFirst dateLast date
19491949-06-191949-09-14
19521952-06-231952-09-10
19531953-07-101953-08-21
19541954-08-051954-08-25
19551955-06-221955-09-07
19561956-07-291956-09-05
19571957-06-271957-08-25
19581958-06-221958-08-08
19591959-07-171959-08-30
19601960-07-271960-08-22
19611961-07-011961-09-04
19621962-07-021962-08-21
19631963-07-191963-09-14
19641964-06-271964-08-29
19651965-06-151965-07-02
19661966-08-041966-08-31
19671967-07-181967-09-01
19681968-06-301968-08-28
19691969-07-041969-08-29
19701970-07-231970-09-08
19711971-08-011971-08-30
19721972-07-121972-08-17
19731973-07-031973-08-16
19741974-08-101974-08-21
19751975-06-211975-09-08
19761976-05-271976-08-18
19771977-06-271977-08-30
19781978-07-211978-09-15
19791979-07-091979-08-26
19811981-07-161981-08-15
19821982-07-061982-08-12
19831983-06-191983-09-01
19841984-06-121984-08-26
19851985-06-261985-08-30
19861986-06-111986-08-26
19871987-06-251987-06-25
19881988-06-251988-08-18
19891989-07-191989-08-24
19901990-07-071990-09-07
19911991-05-231991-08-26
19921992-07-061992-08-31
19931993-05-291993-08-09
19941994-06-161994-09-04
19951995-06-211995-08-21
19961996-07-181996-08-24
19971997-06-141997-09-07
19981998-06-211998-09-20
19991999-06-051999-09-13
20002000-06-032000-09-04
20012001-05-212001-09-16
20082008-07-292008-09-18
20092009-08-052009-08-19
20102010-06-252010-09-07
20112011-07-182011-09-03
20122012-06-142012-08-27
20132013-06-092013-08-26
20142014-07-072014-08-09
20152015-07-092015-09-01
20252025-07-062025-09-11
20262026-06-022026-08-29

Every Fixed Threshold

Fixed thresholds at Incheon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6056200140
35 C (95 F): Days8719945
90 F (32.2 C): Days5325199413
100 F (37.8 C): Days1119491
0 C (32 F): Ice days (max6143195623
0 C (32 F): Frost days (min51121195649
-10 C (14 F): Days with min492619679
20 C (68 F): Tropical nights (min5190202599
25 C (77 F): Days with min3841202533
10 mm (0.39 in): Days with 10 mm or more rain5044199037
25 mm (0.98 in): Days with 25 mm or more rain5022199824
50 mm (1.97 in): Days with 50 mm or more rain5011199016
100 mm (3.94 in): Days with 100 mm or more rain30419727
200 mm (7.87 in): Days with 200 mm or more rain9119704

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Incheon threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).