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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Wakkanai Threshold Days by Year (JA000047401)

10 fixed thresholds counted per year at Wakkanai (JA000047401): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wakkanai Thresholds

  • Wakkanai: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1962 with 53.
  • Wakkanai: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1962 with 15.
  • Wakkanai: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1984 with 111.
  • Wakkanai: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1952 with 154.
  • 10 fixed thresholds have at least one qualifying day at Wakkanai.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Wakkanai Days per year at Wakkanai with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1951. 011221951: 21982: 11988: 1195119821988
Days per year at Wakkanai with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1951.
Days at or above 30 C (86 F) per year at Wakkanai
YearDaysDecade average
195122
198211
198811
First to last qualifying date each year at Wakkanai For each year, a bar from the first to the last day at Wakkanai meeting 30 C (86 F). 1951: 20 August 1951 to 21 August 19511982: 2 August 1982 to 2 August 19821988: 12 August 1988 to 12 August 1988195119821988JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wakkanai meeting 30 C (86 F).
First to last qualifying date each year at Wakkanai
YearFirst dateLast date
19511951-08-201951-08-21
19821982-08-021982-08-02
19881988-08-121988-08-12

Every Fixed Threshold

Fixed thresholds at Wakkanai
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3219511
0 C (32 F): Ice days (max41111198445
0 C (32 F): Frost days (min41154195271
-10 C (14 F): Days with min413919771
20 C (68 F): Tropical nights (min3139202524
10 mm (0.39 in): Days with 10 mm or more rain5953196232
25 mm (0.98 in): Days with 25 mm or more rain5915196229
50 mm (1.97 in): Days with 50 mm or more rain373195221
100 mm (3.94 in): Days with 100 mm or more rain91195514
200 mm (7.87 in): Days with 200 mm or more rain10n/a8

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 Wakkanai 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).