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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Haeju Threshold Days by Year (KNM00047069)

12 fixed thresholds counted per year at Haeju (KNM00047069): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Haeju Thresholds

  • Haeju: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1997 with 38.
  • Haeju: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1984 with 41.
  • Haeju: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2016 with 15.
  • Haeju: days with a maximum temperature at or above 35 C (95 F) in 4 years, most in 2014 with 3.
  • 12 fixed thresholds have at least one qualifying day at Haeju.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Haeju Days per year at Haeju with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1997. 0102030401970: 81975: 251978: 211979: 161980: 21981: 151983: 221984: 201985: 281987: 51988: 181989: 151990: 161991: 221992: 181993: 21994: 281995: 81996: 201997: 381998: 81999: 312001: 252003: 152004: 132008: 182009: 172010: 332011: 212012: 202013: 302014: 212016: 292020: 122025: 1197019801985199019941998200420112016
Days per year at Haeju with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1997.
Days at or above 30 C (86 F) per year at Haeju
YearDaysDecade average
1970817.5
19752517.5
19782117.5
19791617.5
1980215.6
19811515.6
19832215.6
19842015.6
19852815.6
1987515.6
19881815.6
19891515.6
19901619.1
19912219.1
19921819.1
1993219.1
19942819.1
1995819.1
19962019.1
19973819.1
1998819.1
19993119.1
20012517.6
20031517.6
20041317.6
20081817.6
20091717.6
20103325.7
20112125.7
20122025.7
20133025.7
20142125.7
20162925.7
2020126.5
202516.5
First to last qualifying date each year at Haeju For each year, a bar from the first to the last day at Haeju meeting 30 C (86 F). 1970: 14 July 1970 to 29 August 19701975: 21 May 1975 to 7 September 19751978: 16 June 1978 to 29 August 19781979: 9 July 1979 to 26 August 19791980: 18 June 1980 to 31 July 19801981: 6 July 1981 to 15 August 19811983: 30 May 1983 to 27 August 19831984: 13 June 1984 to 27 August 19841985: 5 June 1985 to 1 September 19851987: 25 June 1987 to 13 August 19871988: 12 June 1988 to 16 August 19881989: 23 June 1989 to 23 August 19891990: 12 July 1990 to 15 August 19901991: 6 June 1991 to 9 September 19911992: 6 July 1992 to 31 August 19921993: 5 July 1993 to 11 August 19931994: 16 June 1994 to 1 September 19941995: 23 July 1995 to 18 August 19951996: 31 May 1996 to 2 September 19961997: 14 June 1997 to 9 September 19971998: 27 July 1998 to 19 September 19981999: 8 June 1999 to 3 September 19992001: 21 May 2001 to 3 September 20012003: 4 June 2003 to 25 August 20032004: 4 June 2004 to 13 August 20042008: 29 June 2008 to 18 September 20082009: 28 May 2009 to 27 August 20092010: 6 June 2010 to 16 September 20102011: 29 May 2011 to 3 September 20112012: 19 June 2012 to 27 August 20122013: 8 June 2013 to 18 September 20132014: 6 June 2014 to 7 September 20142016: 26 June 2016 to 5 September 20162020: 9 June 2020 to 30 August 20202025: 23 August 2025 to 23 August 20251970198119881993199820082013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Haeju meeting 30 C (86 F).
First to last qualifying date each year at Haeju
YearFirst dateLast date
19701970-07-141970-08-29
19751975-05-211975-09-07
19781978-06-161978-08-29
19791979-07-091979-08-26
19801980-06-181980-07-31
19811981-07-061981-08-15
19831983-05-301983-08-27
19841984-06-131984-08-27
19851985-06-051985-09-01
19871987-06-251987-08-13
19881988-06-121988-08-16
19891989-06-231989-08-23
19901990-07-121990-08-15
19911991-06-061991-09-09
19921992-07-061992-08-31
19931993-07-051993-08-11
19941994-06-161994-09-01
19951995-07-231995-08-18
19961996-05-311996-09-02
19971997-06-141997-09-09
19981998-07-271998-09-19
19991999-06-081999-09-03
20012001-05-212001-09-03
20032003-06-042003-08-25
20042004-06-042004-08-13
20082008-06-292008-09-18
20092009-05-282009-08-27
20102010-06-062010-09-16
20112011-05-292011-09-03
20122012-06-192012-08-27
20132013-06-082013-09-18
20142014-06-062014-09-07
20162016-06-262016-09-05
20202020-06-092020-08-30
20252025-08-232025-08-23

Every Fixed Threshold

Fixed thresholds at Haeju
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days353819971
35 C (95 F): Days4320143
90 F (32.2 C): Days311520161
0 C (32 F): Ice days (max3441198411
0 C (32 F): Frost days (min3110201648
-10 C (14 F): Days with min3920167
20 C (68 F): Tropical nights (min347201642
25 C (77 F): Days with min33201612
10 mm (0.39 in): Days with 10 mm or more rain10n/a11
25 mm (0.98 in): Days with 25 mm or more rain10n/a2
50 mm (1.97 in): Days with 50 mm or more rain10n/a1
100 mm (3.94 in): Days with 100 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Haeju 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 (2025-12-31).