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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Whitehorse Threshold Days by Year

14 fixed thresholds counted per year at Whitehorse (USC00399220): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Whitehorse Thresholds

  • Whitehorse: days with a maximum temperature at or above 30 C (86 F) in 1 years, most in 1905 with 37.
  • Whitehorse: days with a maximum temperature at or above 35 C (95 F) in 1 years, most in 1905 with 8.
  • Whitehorse: days with a maximum temperature at or above 90 F (32.2 C) in 1 years, most in 1905 with 24.
  • Whitehorse: days with a maximum temperature at or above 100 F (37.8 C) in 1 years, most in 1905 with 2.
  • 14 fixed thresholds have at least one qualifying day at Whitehorse.
1 years with a qualifying day
Days at or above 30 C (86 F) per year at Whitehorse Days per year at Whitehorse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 1905. 0102030401905: 371905
Days per year at Whitehorse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 1905.
Days at or above 30 C (86 F) per year at Whitehorse
YearDaysDecade average
19053737
First to last qualifying date each year at Whitehorse For each year, a bar from the first to the last day at Whitehorse meeting 30 C (86 F). 1905: 1 June 1905 to 6 October 19051905JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Whitehorse meeting 30 C (86 F).
First to last qualifying date each year at Whitehorse
YearFirst dateLast date
19051905-06-011905-10-06

Every Fixed Threshold

Fixed thresholds at Whitehorse
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days137190537
35 C (95 F): Days1819058
90 F (32.2 C): Days124190524
100 F (37.8 C): Days1219052
0 C (32 F): Ice days (max171190571
0 C (32 F): Frost days (min11801905180
-10 C (14 F): Days with min179190579
-20 C (-4 F): Days with min131190531
-30 C (-22 F): Days with min111190511
-40 C (-40 F): Days with min1119051
20 C (68 F): Tropical nights (min1519055
10 mm (0.39 in): Days with 10 mm or more rain111190511
25 mm (0.98 in): Days with 25 mm or more rain1619056
50 mm (1.97 in): Days with 50 mm or more rain1119051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

  • Data for Whitehorse 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).