Built 2026-10-15 (15 October 2026)

Hakodate Threshold Days by Year

12 fixed thresholds counted per year at Hakodate (JA000047430): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hakodate Thresholds

  • Hakodate: days with a maximum temperature at or below 0 C (32 F) in 60 years, most in 1952 with 62.
  • Hakodate: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1955 with 43.
  • Hakodate: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1955 with 16.
  • Hakodate: days with 50 mm (1.97 in) or more of precipitation in 52 years, most in 1968 with 5.
  • 12 fixed thresholds have at least one qualifying day at Hakodate.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Hakodate Days per year at Hakodate with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2012. 051015201951: 11955: 31960: 11961: 11962: 11968: 11969: 11970: 51971: 51972: 11973: 21975: 11976: 31977: 21978: 121979: 21981: 51983: 21984: 131985: 101986: 31987: 11988: 21989: 51990: 11994: 61997: 21999: 112006: 62007: 52011: 62012: 182025: 142026: 3195119621971197619811986199020062025
Days per year at Hakodate with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2012.
Days at or above 30 C (86 F) per year at Hakodate
YearDaysDecade average
195112
195532
196011
196111
196211
196811
196911
197053.7
197153.7
197213.7
197323.7
197513.7
197633.7
197723.7
1978123.7
197923.7
198155.1
198325.1
1984135.1
1985105.1
198635.1
198715.1
198825.1
198955.1
199015
199465
199725
1999115
200665.5
200755.5
2011612
20121812
2025148.5
202638.5
First to last qualifying date each year at Hakodate For each year, a bar from the first to the last day at Hakodate meeting 30 C (86 F). 1951: 18 August 1951 to 18 August 19511955: 27 August 1955 to 30 August 19551960: 6 August 1960 to 6 August 19601961: 14 August 1961 to 14 August 19611962: 16 August 1962 to 16 August 19621968: 28 July 1968 to 28 July 19681969: 18 July 1969 to 18 July 19691970: 25 July 1970 to 23 August 19701971: 30 July 1971 to 6 August 19711972: 6 August 1972 to 6 August 19721973: 8 August 1973 to 12 August 19731975: 1 August 1975 to 1 August 19751976: 24 July 1976 to 26 July 19761977: 30 July 1977 to 31 July 19771978: 10 July 1978 to 20 August 19781979: 17 August 1979 to 18 August 19791981: 30 July 1981 to 3 August 19811983: 6 August 1983 to 7 August 19831984: 31 July 1984 to 19 August 19841985: 28 July 1985 to 31 August 19851986: 31 July 1986 to 13 August 19861987: 31 August 1987 to 31 August 19871988: 3 August 1988 to 25 August 19881989: 24 July 1989 to 22 August 19891990: 31 August 1990 to 31 August 19901994: 3 August 1994 to 13 August 19941997: 27 July 1997 to 3 August 19971999: 27 July 1999 to 21 August 19992006: 7 August 2006 to 17 August 20062007: 2 August 2007 to 15 August 20072011: 4 August 2011 to 3 September 20112012: 29 July 2012 to 18 September 20122025: 7 July 2025 to 26 August 20252026: 8 August 2026 to 20 August 20261951196819731979198619942011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hakodate meeting 30 C (86 F).
First to last qualifying date each year at Hakodate
YearFirst dateLast date
19511951-08-181951-08-18
19551955-08-271955-08-30
19601960-08-061960-08-06
19611961-08-141961-08-14
19621962-08-161962-08-16
19681968-07-281968-07-28
19691969-07-181969-07-18
19701970-07-251970-08-23
19711971-07-301971-08-06
19721972-08-061972-08-06
19731973-08-081973-08-12
19751975-08-011975-08-01
19761976-07-241976-07-26
19771977-07-301977-07-31
19781978-07-101978-08-20
19791979-08-171979-08-18
19811981-07-301981-08-03
19831983-08-061983-08-07
19841984-07-311984-08-19
19851985-07-281985-08-31
19861986-07-311986-08-13
19871987-08-311987-08-31
19881988-08-031988-08-25
19891989-07-241989-08-22
19901990-08-311990-08-31
19941994-08-031994-08-13
19971997-07-271997-08-03
19991999-07-271999-08-21
20062006-08-072006-08-17
20072007-08-022007-08-15
20112011-08-042011-09-03
20122012-07-292012-09-18
20252025-07-072025-08-26
20262026-08-082026-08-20

Every Fixed Threshold

Fixed thresholds at Hakodate
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days341820123
90 F (32.2 C): Days9219991
0 C (32 F): Ice days (max6062195221
0 C (32 F): Frost days (min41150198463
-10 C (14 F): Days with min414119524
20 C (68 F): Tropical nights (min4152202534
25 C (77 F): Days with min1320253
10 mm (0.39 in): Days with 10 mm or more rain5743195538
25 mm (0.98 in): Days with 25 mm or more rain5716195526
50 mm (1.97 in): Days with 50 mm or more rain525196824
100 mm (3.94 in): Days with 100 mm or more rain82197312
200 mm (7.87 in): Days with 200 mm or more rain10n/a6

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for Hakodate 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).