Built 2026-10-19 (19 October 2026)

Tateyama Threshold Days by Year (JA000047672)

11 fixed thresholds counted per year at Tateyama (JA000047672): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tateyama Thresholds

  • Tateyama: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 2025 with 63.
  • Tateyama: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 1994 with 31.
  • Tateyama: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1980 with 68.
  • Tateyama: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1980 with 37.
  • 11 fixed thresholds have at least one qualifying day at Tateyama.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at Tateyama Days per year at Tateyama with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 2025. 0204060801969: 311970: 391971: 281972: 171973: 351974: 251975: 491976: 211977: 281978: 551979: 361980: 131981: 301982: 161983: 341984: 421985: 451986: 381987: 391988: 211989: 301990: 471991: 341992: 321993: 101994: 611996: 321999: 572000: 532003: 302005: 422006: 362007: 392008: 542009: 262011: 572013: 482014: 372015: 402016: 492017: 442018: 582019: 452022: 532025: 632026: 371969197419791984198919942005201120172026
Days per year at Tateyama with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 2025.
Days at or above 30 C (86 F) per year at Tateyama
YearDaysDecade average
19693131
19703933.3
19712833.3
19721733.3
19733533.3
19742533.3
19754933.3
19762133.3
19772833.3
19785533.3
19793633.3
19801330.8
19813030.8
19821630.8
19833430.8
19844230.8
19854530.8
19863830.8
19873930.8
19882130.8
19893030.8
19904739
19913439
19923239
19931039
19946139
19963239
19995739
20005340
20033040
20054240
20063640
20073940
20085440
20092640
20115747.3
20134847.3
20143747.3
20154047.3
20164947.3
20174447.3
20185847.3
20194547.3
20225351
20256351
20263751
First to last qualifying date each year at Tateyama For each year, a bar from the first to the last day at Tateyama meeting 30 C (86 F). 1969: 20 July 1969 to 16 September 19691970: 18 July 1970 to 15 September 19701971: 12 July 1971 to 30 August 19711972: 14 July 1972 to 8 September 19721973: 8 July 1973 to 4 September 19731974: 1 August 1974 to 3 September 19741975: 18 July 1975 to 22 September 19751976: 18 July 1976 to 11 September 19761977: 11 July 1977 to 20 September 19771978: 5 July 1978 to 10 September 19781979: 24 June 1979 to 23 September 19791980: 12 July 1980 to 12 September 19801981: 12 July 1981 to 4 September 19811982: 12 July 1982 to 13 September 19821983: 25 July 1983 to 13 September 19831984: 4 July 1984 to 10 September 19841985: 14 July 1985 to 8 September 19851986: 26 June 1986 to 11 September 19861987: 5 June 1987 to 11 September 19871988: 31 July 1988 to 16 September 19881989: 23 July 1989 to 20 September 19891990: 22 June 1990 to 20 September 19901991: 26 June 1991 to 8 September 19911992: 9 July 1992 to 11 September 19921993: 31 July 1993 to 1 September 19931994: 27 June 1994 to 1 October 19941996: 29 June 1996 to 6 September 19961999: 16 July 1999 to 3 October 19992000: 3 July 2000 to 19 September 20002003: 21 June 2003 to 18 September 20032005: 28 June 2005 to 18 September 20052006: 29 June 2006 to 19 September 20062007: 30 June 2007 to 21 September 20072008: 6 July 2008 to 13 September 20082009: 22 June 2009 to 1 September 20092011: 27 June 2011 to 19 September 20112013: 8 July 2013 to 15 September 20132014: 11 July 2014 to 6 September 20142015: 12 July 2015 to 3 September 20152016: 18 June 2016 to 6 October 20162017: 2 July 2017 to 13 September 20172018: 30 June 2018 to 9 September 20182019: 28 June 2019 to 13 October 20192022: 26 June 2022 to 24 September 20222025: 17 June 2025 to 21 September 20252026: 29 May 2026 to 22 September 202619691975198119871993200520132019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tateyama meeting 30 C (86 F).
First to last qualifying date each year at Tateyama
YearFirst dateLast date
19691969-07-201969-09-16
19701970-07-181970-09-15
19711971-07-121971-08-30
19721972-07-141972-09-08
19731973-07-081973-09-04
19741974-08-011974-09-03
19751975-07-181975-09-22
19761976-07-181976-09-11
19771977-07-111977-09-20
19781978-07-051978-09-10
19791979-06-241979-09-23
19801980-07-121980-09-12
19811981-07-121981-09-04
19821982-07-121982-09-13
19831983-07-251983-09-13
19841984-07-041984-09-10
19851985-07-141985-09-08
19861986-06-261986-09-11
19871987-06-051987-09-11
19881988-07-311988-09-16
19891989-07-231989-09-20
19901990-06-221990-09-20
19911991-06-261991-09-08
19921992-07-091992-09-11
19931993-07-311993-09-01
19941994-06-271994-10-01
19961996-06-291996-09-06
19991999-07-161999-10-03
20002000-07-032000-09-19
20032003-06-212003-09-18
20052005-06-282005-09-18
20062006-06-292006-09-19
20072007-06-302007-09-21
20082008-07-062008-09-13
20092009-06-222009-09-01
20112011-06-272011-09-19
20132013-07-082013-09-15
20142014-07-112014-09-06
20152015-07-122015-09-03
20162016-06-182016-10-06
20172017-07-022017-09-13
20182018-06-302018-09-09
20192019-06-282019-10-13
20222022-06-262022-09-24
20252025-06-172025-09-21
20262026-05-292026-09-22

Every Fixed Threshold

Fixed thresholds at Tateyama
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4663202537
35 C (95 F): Days8419941
90 F (32.2 C): Days413119947
0 C (32 F): Frost days (min2366198415
20 C (68 F): Tropical nights (min23115202599
25 C (77 F): Days with min2260202523
10 mm (0.39 in): Days with 10 mm or more rain3768198029
25 mm (0.98 in): Days with 25 mm or more rain3737198022
50 mm (1.97 in): Days with 50 mm or more rain3714201915
100 mm (3.94 in): Days with 100 mm or more rain30420195
200 mm (7.87 in): Days with 200 mm or more rain4119723

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Tateyama 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).