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Built 2026-10-19 (19 October 2026)

Aomori Threshold Days by Year (JA000047575)

13 fixed thresholds counted per year at Aomori (JA000047575): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aomori Thresholds

  • Aomori: days with a maximum temperature at or above 30 C (86 F) in 56 years, most in 2025 with 41.
  • Aomori: days with a maximum temperature at or below 0 C (32 F) in 56 years, most in 1969 with 48.
  • Aomori: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1974 with 59.
  • Aomori: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1966 with 17.
  • 13 fixed thresholds have at least one qualifying day at Aomori.
56 years with a qualifying day
Days at or above 30 C (86 F) per year at Aomori Days per year at Aomori with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 2025. 02040601956: 21957: 31958: 21959: 51960: 81961: 141962: 131963: 71964: 91965: 81966: 81967: 111968: 111969: 61970: 151971: 101972: 161973: 171974: 71975: 211976: 81977: 111978: 251979: 71980: 21981: 111982: 91983: 111984: 231985: 251986: 101987: 51988: 51989: 201990: 131991: 41992: 61993: 11994: 301995: 131996: 91997: 92000: 162001: 52002: 62003: 22004: 162006: 142007: 212008: 42009: 42010: 332011: 232012: 292025: 412026: 141956196219681974198019861992200020072025
Days per year at Aomori with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 2025.
Days at or above 30 C (86 F) per year at Aomori
YearDaysDecade average
195623
195733
195823
195953
196089.5
1961149.5
1962139.5
196379.5
196499.5
196589.5
196689.5
1967119.5
1968119.5
196969.5
19701513.7
19711013.7
19721613.7
19731713.7
1974713.7
19752113.7
1976813.7
19771113.7
19782513.7
1979713.7
1980212.1
19811112.1
1982912.1
19831112.1
19842312.1
19852512.1
19861012.1
1987512.1
1988512.1
19892012.1
19901310.6
1991410.6
1992610.6
1993110.6
19943010.6
19951310.6
1996910.6
1997910.6
2000169.8
200159.8
200269.8
200329.8
2004169.8
2006149.8
2007219.8
200849.8
200949.8
20103328.3
20112328.3
20122928.3
20254127.5
20261427.5
First to last qualifying date each year at Aomori For each year, a bar from the first to the last day at Aomori meeting 30 C (86 F). 1956: 28 July 1956 to 29 July 19561957: 21 August 1957 to 23 August 19571958: 30 July 1958 to 10 August 19581959: 30 July 1959 to 20 August 19591960: 22 July 1960 to 29 August 19601961: 8 July 1961 to 16 September 19611962: 13 July 1962 to 21 August 19621963: 27 July 1963 to 15 August 19631964: 23 July 1964 to 20 August 19641965: 8 August 1965 to 10 September 19651966: 17 July 1966 to 1 September 19661967: 23 July 1967 to 27 August 19671968: 18 July 1968 to 18 August 19681969: 18 July 1969 to 14 August 19691970: 22 July 1970 to 2 September 19701971: 9 July 1971 to 15 August 19711972: 5 July 1972 to 5 September 19721973: 14 July 1973 to 28 August 19731974: 3 August 1974 to 4 September 19741975: 16 July 1975 to 4 September 19751976: 23 July 1976 to 31 July 19761977: 12 July 1977 to 11 September 19771978: 10 July 1978 to 28 August 19781979: 1 August 1979 to 18 August 19791980: 6 June 1980 to 8 June 19801981: 15 July 1981 to 26 August 19811982: 11 July 1982 to 29 August 19821983: 4 August 1983 to 4 September 19831984: 12 June 1984 to 21 August 19841985: 6 June 1985 to 1 September 19851986: 28 July 1986 to 27 August 19861987: 6 June 1987 to 27 July 19871988: 20 May 1988 to 20 August 19881989: 21 July 1989 to 23 August 19891990: 24 June 1990 to 3 September 19901991: 24 July 1991 to 6 September 19911992: 28 July 1992 to 1 September 19921993: 25 August 1993 to 25 August 19931994: 3 July 1994 to 17 September 19941995: 13 July 1995 to 19 August 19951996: 17 July 1996 to 18 August 19961997: 24 June 1997 to 23 August 19972000: 12 July 2000 to 2 September 20002001: 5 July 2001 to 22 August 20012002: 8 June 2002 to 3 September 20022003: 4 August 2003 to 22 August 20032004: 4 June 2004 to 11 August 20042006: 14 July 2006 to 4 September 20062007: 24 July 2007 to 21 September 20072008: 5 July 2008 to 8 August 20082009: 25 June 2009 to 21 August 20092010: 26 June 2010 to 6 September 20102011: 28 June 2011 to 16 September 20112012: 18 July 2012 to 19 September 20122025: 17 June 2025 to 16 September 20252026: 10 July 2026 to 25 August 202619561963197019771984199120002008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aomori meeting 30 C (86 F).
First to last qualifying date each year at Aomori
YearFirst dateLast date
19561956-07-281956-07-29
19571957-08-211957-08-23
19581958-07-301958-08-10
19591959-07-301959-08-20
19601960-07-221960-08-29
19611961-07-081961-09-16
19621962-07-131962-08-21
19631963-07-271963-08-15
19641964-07-231964-08-20
19651965-08-081965-09-10
19661966-07-171966-09-01
19671967-07-231967-08-27
19681968-07-181968-08-18
19691969-07-181969-08-14
19701970-07-221970-09-02
19711971-07-091971-08-15
19721972-07-051972-09-05
19731973-07-141973-08-28
19741974-08-031974-09-04
19751975-07-161975-09-04
19761976-07-231976-07-31
19771977-07-121977-09-11
19781978-07-101978-08-28
19791979-08-011979-08-18
19801980-06-061980-06-08
19811981-07-151981-08-26
19821982-07-111982-08-29
19831983-08-041983-09-04
19841984-06-121984-08-21
19851985-06-061985-09-01
19861986-07-281986-08-27
19871987-06-061987-07-27
19881988-05-201988-08-20
19891989-07-211989-08-23
19901990-06-241990-09-03
19911991-07-241991-09-06
19921992-07-281992-09-01
19931993-08-251993-08-25
19941994-07-031994-09-17
19951995-07-131995-08-19
19961996-07-171996-08-18
19971997-06-241997-08-23
20002000-07-122000-09-02
20012001-07-052001-08-22
20022002-06-082002-09-03
20032003-08-042003-08-22
20042004-06-042004-08-11
20062006-07-142006-09-04
20072007-07-242007-09-21
20082008-07-052008-08-08
20092009-06-252009-08-21
20102010-06-262010-09-06
20112011-06-282011-09-16
20122012-07-182012-09-19
20252025-06-172025-09-16
20262026-07-102026-08-25

Every Fixed Threshold

Fixed thresholds at Aomori
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5641202514
35 C (95 F): Days9219941
90 F (32.2 C): Days462120255
0 C (32 F): Ice days (max5648196918
0 C (32 F): Frost days (min36139196554
-10 C (14 F): Days with min301119671
20 C (68 F): Tropical nights (min3667202554
25 C (77 F): Days with min21320252
10 mm (0.39 in): Days with 10 mm or more rain5259197416
25 mm (0.98 in): Days with 25 mm or more rain5217196613
50 mm (1.97 in): Days with 50 mm or more rain32519589
100 mm (3.94 in): Days with 100 mm or more rain5119682
200 mm (7.87 in): Days with 200 mm or more rain10n/a2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Aomori 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).