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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Grand Canyon Np AP Threshold Days by Year (USW00003195)

12 fixed thresholds counted per year at Grand Canyon Np AP (USW00003195): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grand Canyon Np AP Thresholds

  • Grand Canyon Np AP: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2024 with 75.
  • Grand Canyon Np AP: days with a maximum temperature at or above 90 F (32.2 C) in 29 years, most in 2020 with 36.
  • Grand Canyon Np AP: days with a maximum temperature at or below 0 C (32 F) in 29 years, most in 2019 with 22.
  • Grand Canyon Np AP: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1999 with 241.
  • 12 fixed thresholds have at least one qualifying day at Grand Canyon Np AP.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Grand Canyon Np AP Days per year at Grand Canyon Np AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 2024. 0204060801997: 231998: 441999: 172000: 492001: 362002: 602003: 502004: 342005: 312006: 372007: 442008: 442009: 492010: 402011: 522012: 422013: 372014: 362015: 322016: 542017: 502018: 552019: 512020: 742021: 542022: 452023: 452024: 752025: 551997200020032006200920122015201820212024
Days per year at Grand Canyon Np AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 2024.
Days at or above 30 C (86 F) per year at Grand Canyon Np AP
YearDaysDecade average
19972328
19984428
19991728
20004943.4
20013643.4
20026043.4
20035043.4
20043443.4
20053143.4
20063743.4
20074443.4
20084443.4
20094943.4
20104044.9
20115244.9
20124244.9
20133744.9
20143644.9
20153244.9
20165444.9
20175044.9
20185544.9
20195144.9
20207458
20215458
20224558
20234558
20247558
20255558
First to last qualifying date each year at Grand Canyon Np AP For each year, a bar from the first to the last day at Grand Canyon Np AP meeting 30 C (86 F). 1997: 30 May 1997 to 23 August 19971998: 26 June 1998 to 30 August 19981999: 19 June 1999 to 6 July 19992000: 22 May 2000 to 17 September 20002001: 24 May 2001 to 28 August 20012002: 29 May 2002 to 4 September 20022003: 27 May 2003 to 27 September 20032004: 2 June 2004 to 1 September 20042005: 22 May 2005 to 29 August 20052006: 1 June 2006 to 21 August 20062007: 3 June 2007 to 24 August 20072008: 19 May 2008 to 29 August 20082009: 23 June 2009 to 31 August 20092010: 4 June 2010 to 30 September 20102011: 15 June 2011 to 5 September 20112012: 21 May 2012 to 19 August 20122013: 2 June 2013 to 20 August 20132014: 27 May 2014 to 17 August 20142015: 16 June 2015 to 29 August 20152016: 2 June 2016 to 19 September 20162017: 4 June 2017 to 5 September 20172018: 3 June 2018 to 15 September 20182019: 13 June 2019 to 7 September 20192020: 27 May 2020 to 24 September 20202021: 3 June 2021 to 12 September 20212022: 15 May 2022 to 8 September 20222023: 25 June 2023 to 9 September 20232024: 5 June 2024 to 4 October 20242025: 31 May 2025 to 1 September 202519972001200520092013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grand Canyon Np AP meeting 30 C (86 F).
First to last qualifying date each year at Grand Canyon Np AP
YearFirst dateLast date
19971997-05-301997-08-23
19981998-06-261998-08-30
19991999-06-191999-07-06
20002000-05-222000-09-17
20012001-05-242001-08-28
20022002-05-292002-09-04
20032003-05-272003-09-27
20042004-06-022004-09-01
20052005-05-222005-08-29
20062006-06-012006-08-21
20072007-06-032007-08-24
20082008-05-192008-08-29
20092009-06-232009-08-31
20102010-06-042010-09-30
20112011-06-152011-09-05
20122012-05-212012-08-19
20132013-06-022013-08-20
20142014-05-272014-08-17
20152015-06-162015-08-29
20162016-06-022016-09-19
20172017-06-042017-09-05
20182018-06-032018-09-15
20192019-06-132019-09-07
20202020-05-272020-09-24
20212021-06-032021-09-12
20222022-05-152022-09-08
20232023-06-252023-09-09
20242024-06-052024-10-04
20252025-05-312025-09-01

Every Fixed Threshold

Fixed thresholds at Grand Canyon Np AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2975202455
35 C (95 F): Days171320211
90 F (32.2 C): Days2936202032
100 F (37.8 C): Days2120211
0 C (32 F): Ice days (max292220195
0 C (32 F): Frost days (min292411999205
-10 C (14 F): Days with min2975200240
-20 C (-4 F): Days with min261620134
-30 C (-22 F): Days with min3120101
10 mm (0.39 in): Days with 10 mm or more rain2716201511
25 mm (0.98 in): Days with 25 mm or more rain16320042
50 mm (1.97 in): Days with 50 mm or more rain1220042

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Grand Canyon Np AP 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).