Built 2026-10-18 (18 October 2026)

Grand Canyon Np AP Weather Records (USW00003195)

Record envelope, standing records and threshold days for Grand Canyon Np AP (USW00003195), Arizona, United States, with 31 years of record.

Key Facts for Grand Canyon Np AP

  • Grand Canyon Np AP (USW00003195) is a weather station in Arizona, United States at 35.95 latitude and -112.16 longitude, 1,993 m (6,540 ft) above sea level.
  • The station reports from 1996 to 2026, 31 years of record.
  • 1,464 records set at Grand Canyon Np AP still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Arizona, United States, 35.95 latitude, -112.16 longitude.
  • Elevation: 1,993 m (6,540 ft).
  • Period of record: 1996 to 2026, 31 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

44 days at or beyond a record
Daily record high and record low at Grand Canyon Np AP, with 2026 drawn through them The band shows the record high and record low for each calendar day at Grand Canyon Np AP. The lines show the 2026 daily maximum and minimum. 44 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Grand Canyon Np AP. The lines show the 2026 daily maximum and minimum. 44 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Grand Canyon Np AP, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan21.1 C (70.0 F)-33.8 C (-28.8 F)16.1 C (61.0 F)-19.3 C (-2.7 F)
Feb20.6 C (69.1 F)-28.8 C (-19.8 F)19.4 C (66.9 F)-17.1 C (1.2 F)
Mar25.0 C (77.0 F)-22.2 C (-8.0 F)22.2 C (72.0 F)-17.1 C (1.2 F)
Apr27.8 C (82.0 F)-16.0 C (3.2 F)25.6 C (78.1 F)-8.8 C (16.2 F)
May32.8 C (91.0 F)-11.6 C (11.1 F)30.0 C (86.0 F)-4.3 C (24.3 F)
Jun36.7 C (98.1 F)-6.6 C (20.1 F)33.3 C (91.9 F)1.7 C (35.1 F)
Jul37.8 C (100.0 F)-2.2 C (28.0 F)34.4 C (93.9 F)2.2 C (36.0 F)
Aug35.6 C (96.1 F)-1.6 C (29.1 F)35.0 C (95.0 F)1.1 C (34.0 F)
Sep35.0 C (95.0 F)-6.6 C (20.1 F)30.0 C (86.0 F)1.1 C (34.0 F)
Oct30.6 C (87.1 F)-19.3 C (-2.7 F)25.6 C (78.1 F)-5.6 C (21.9 F)
Nov23.3 C (73.9 F)-22.1 C (-7.8 F)23.3 C (73.9 F)-7.8 C (18.0 F)
Dec19.4 C (66.9 F)-34.3 C (-29.7 F)19.4 C (66.9 F)-12.8 C (9.0 F)

Which Years Hold Standing Records

1,464 standing records
Standing records at Grand Canyon Np AP by the year they were set 1,464 records at Grand Canyon Np AP still stand. 2000 holds the most, with 67. 0204060801996: 251997: 391998: 511999: 522000: 672001: 492002: 542003: 452004: 292005: 382006: 352007: 442008: 542009: 662010: 572011: 562012: 252013: 622014: 382015: 532016: 582017: 622018: 442019: 622020: 562021: 462022: 322023: 562024: 452025: 641996199920022005200820112014201720202023
1,464 records at Grand Canyon Np AP still stand. 2000 holds the most, with 67.
Standing records at Grand Canyon Np AP by the year they were set
Year setStanding records
199625
199739
199851
199952
200067
200149
200254
200345
200429
200538
200635
200744
200854
200966
201057
201156
201225
201362
201438
201553
201658
201762
201844
201962
202056
202146
202232
202356
202445
202564

Wettest Day of Each Month

Sep: 67.1 mm (2.6 in)
Record daily precipitation for each month at Grand Canyon Np AP The wettest day on record for each calendar month at Grand Canyon Np AP. The most was 67.1 mm (2.6 in) on 19 September 2004. 020406080 Jan: 37.3 mm (1.5 in), 21 January 2010 Jan Feb: 31.8 mm (1.3 in), 14 February 2019 Feb Mar: 31.8 mm (1.3 in), 21 March 2023 Mar Apr: 27.2 mm (1.1 in), 24 April 2005 Apr May: 23.9 mm (0.9 in), 22 May 2009 May Jun: 25.9 mm (1.0 in), 10 June 2015 Jun Jul: 30.7 mm (1.2 in), 14 July 1999 Jul Aug: 41.4 mm (1.6 in), 16 August 1999 Aug Sep: 67.1 mm (2.6 in), 19 September 2004 Sep Oct: 58.9 mm (2.3 in), 21 October 2004 Oct Nov: 36.1 mm (1.4 in), 8 November 2004 Nov Dec: 29.7 mm (1.2 in), 1 December 2007 Dec
The wettest day on record for each calendar month at Grand Canyon Np AP. The most was 67.1 mm (2.6 in) on 19 September 2004.
Record daily precipitation for each month at Grand Canyon Np AP
MonthRecord daily precipitation (mm)Date
Jan37.3 mm (1.5 in)21 January 2010
Feb31.8 mm (1.3 in)14 February 2019
Mar31.8 mm (1.3 in)21 March 2023
Apr27.2 mm (1.1 in)24 April 2005
May23.9 mm (0.9 in)22 May 2009
Jun25.9 mm (1.0 in)10 June 2015
Jul30.7 mm (1.2 in)14 July 1999
Aug41.4 mm (1.6 in)16 August 1999
Sep67.1 mm (2.6 in)19 September 2004
Oct58.9 mm (2.3 in)21 October 2004
Nov36.1 mm (1.4 in)8 November 2004
Dec29.7 mm (1.2 in)1 December 2007

Period of Record Coverage

1996 to 2025
Days with data per year at Grand Canyon Np AP 30 years of record at Grand Canyon Np AP, 1996 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1996. 1996: 180 of 366 days1997: 355 of 365 days1998: 363 of 365 days1999: 364 of 365 days2000: 359 of 366 days2001: 365 of 365 days2002: 363 of 365 days2003: 353 of 365 days2004: 354 of 366 days2005: 362 of 365 days2006: 362 of 365 days2007: 363 of 365 days2008: 366 of 366 days2009: 355 of 365 days2010: 362 of 365 days2011: 362 of 365 days2012: 364 of 366 days2013: 364 of 365 days2014: 351 of 365 days2015: 353 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 362 of 365 days2020: 365 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days200020052010201520202025
30 years of record at Grand Canyon Np AP, 1996 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1996.
Days with data per year at Grand Canyon Np AP
YearDays with dataShare of yearComplete
199618049%No
199735597%Yes
199836399%Yes
1999364100%Yes
200035998%Yes
2001365100%Yes
200236399%Yes
200335397%Yes
200435497%Yes
200536299%Yes
200636299%Yes
200736399%Yes
2008366100%Yes
200935597%Yes
201036299%Yes
201136299%Yes
201236499%Yes
2013364100%Yes
201435196%Yes
201535397%Yes
2016366100%Yes
2017365100%Yes
2018365100%Yes
201936299%Yes
2020365100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes

Latest Records

0

No records were set at this station in the latest data.

Climate Trend

29 complete years, 1997 to 2025
Annual mean temperature at Grand Canyon Np AP as warming stripes, 1997 to 2025 One stripe for each of 29 complete years at Grand Canyon Np AP, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 8.2 C (46.7 F); red stripes are warmer. The coolest year was 2008, at 7.3 C (45.2 F), and the warmest was 2016, at 9.3 C (48.7 F). The strongest colour marks a difference of 1.1 C (2.0 F). 1997: 7.7 C, -0.5 C from the station mean1998: 7.7 C, -0.5 C from the station mean1999: 8.0 C, -0.2 C from the station mean2000: 8.5 C, +0.3 C from the station mean2001: 7.8 C, -0.4 C from the station mean2002: 7.7 C, -0.5 C from the station mean2003: 8.4 C, +0.2 C from the station mean2004: 7.8 C, -0.4 C from the station mean2005: 8.3 C, +0.1 C from the station mean2006: 7.8 C, -0.4 C from the station mean2007: 8.3 C, +0.1 C from the station mean2008: 7.3 C, -0.9 C from the station mean2009: 7.4 C, -0.8 C from the station mean2010: 7.5 C, -0.7 C from the station mean2011: 7.5 C, -0.7 C from the station mean2012: 8.4 C, +0.2 C from the station mean2013: 7.5 C, -0.7 C from the station mean2014: 8.6 C, +0.4 C from the station mean2015: 8.7 C, +0.5 C from the station mean2016: 9.3 C, +1.1 C from the station mean2017: 9.1 C, +0.9 C from the station mean2018: 8.9 C, +0.7 C from the station mean2019: 7.6 C, -0.6 C from the station mean2020: 8.6 C, +0.4 C from the station mean2021: 8.7 C, +0.5 C from the station mean2022: 8.2 C, 0.0 C from the station mean2023: 8.1 C, -0.1 C from the station mean2024: 9.2 C, +1.0 C from the station mean2025: 9.1 C, +0.9 C from the station mean1997200020052010201520202025
One stripe for each of 29 complete years at Grand Canyon Np AP, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 8.2 C (46.7 F); red stripes are warmer. The coolest year was 2008, at 7.3 C (45.2 F), and the warmest was 2016, at 9.3 C (48.7 F). The strongest colour marks a difference of 1.1 C (2.0 F).
Annual mean temperature at Grand Canyon Np AP as warming stripes, 1997 to 2025
YearAnnual mean temperatureDifference from the station mean
19977.7 C-0.53 C
19987.7 C-0.46 C
19998.0 C-0.21 C
20008.5 C+0.28 C
20017.8 C-0.42 C
20027.7 C-0.49 C
20038.4 C+0.19 C
20047.8 C-0.42 C
20058.3 C+0.07 C
20067.8 C-0.40 C
20078.3 C+0.09 C
20087.3 C-0.88 C
20097.4 C-0.77 C
20107.5 C-0.69 C
20117.5 C-0.71 C
20128.4 C+0.18 C
20137.5 C-0.70 C
20148.6 C+0.44 C
20158.7 C+0.55 C
20169.3 C+1.06 C
20179.1 C+0.94 C
20188.9 C+0.74 C
20197.6 C-0.57 C
20208.6 C+0.39 C
20218.7 C+0.51 C
20228.2 C+0.05 C
20238.1 C-0.05 C
20249.2 C+0.98 C
20259.1 C+0.94 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1996 to 2026
Yearly extremes at Grand Canyon Np AP: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.8 C (100.0 F)202135.0 C (95.0 F)31
Coldest night (TNn)-34.3 C (-29.7 F)2010-23.9 C (-11.0 F)31
Wettest day (Rx1day)67.1 mm (2.6 in)200427.4 mm (1.1 in)29
Wettest five days (Rx5day)101.4 mm (4.0 in)199946.4 mm (1.8 in)29
Longest dry spell (CDD)86 days199955 days29

Hottest day (TXx)

Hottest day (TXx) at Grand Canyon Np AP by year The hottest day of the year at Grand Canyon Np AP, 1996 to 2026. The record is 37.8 C (100.0 F) in 2021, marked on the chart; the median year is 35.0 C (95.0 F). 32343638200020052010201520202025Record: 37.8 C (100.0 F) in 2021
The hottest day of the year at Grand Canyon Np AP, 1996 to 2026. The record is 37.8 C (100.0 F) in 2021, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Grand Canyon Np AP by year
YearHottest day (TXx)
199634.4 C (93.9 F)
199733.3 C (91.9 F)
199836.1 C (97.0 F)
199935.0 C (95.0 F)
200035.0 C (95.0 F)
200133.9 C (93.0 F)
200236.7 C (98.1 F)
200337.2 C (99.0 F)
200432.8 C (91.0 F)
200536.1 C (97.0 F)
200634.4 C (93.9 F)
200736.1 C (97.0 F)
200833.3 C (91.9 F)
200935.6 C (96.1 F)
201034.4 C (93.9 F)
201133.9 C (93.0 F)
201234.4 C (93.9 F)
201336.1 C (97.0 F)
201433.9 C (93.0 F)
201533.3 C (91.9 F)
201636.7 C (98.1 F)
201736.1 C (97.0 F)
201834.4 C (93.9 F)
201933.9 C (93.0 F)
202036.1 C (97.0 F)
202137.8 C (100.0 F)
202235.0 C (95.0 F)
202337.8 C (100.0 F)
202436.7 C (98.1 F)
202535.0 C (95.0 F)
202635.6 C (96.1 F)

Coldest night (TNn)

Coldest night (TNn) at Grand Canyon Np AP by year The coldest night of the year at Grand Canyon Np AP, 1996 to 2026. The record is -34.3 C (-29.7 F) in 2010, marked on the chart; the median year is -23.9 C (-11.0 F). -35-30-25-20-15200020052010201520202025Record: -34.3 C (-29.7 F) in 2010
The coldest night of the year at Grand Canyon Np AP, 1996 to 2026. The record is -34.3 C (-29.7 F) in 2010, marked on the chart; the median year is -23.9 C (-11.0 F).
Coldest night (TNn) at Grand Canyon Np AP by year
YearColdest night (TNn)
1996-18.3 C (-0.9 F)
1997-22.2 C (-8.0 F)
1998-23.9 C (-11.0 F)
1999-17.8 C (0.0 F)
2000-27.2 C (-17.0 F)
2001-24.4 C (-11.9 F)
2002-23.3 C (-9.9 F)
2003-20.0 C (-4.0 F)
2004-25.6 C (-14.1 F)
2005-20.0 C (-4.0 F)
2006-22.1 C (-7.8 F)
2007-23.8 C (-10.8 F)
2008-28.2 C (-18.8 F)
2009-28.2 C (-18.8 F)
2010-34.3 C (-29.7 F)
2011-33.8 C (-28.8 F)
2012-23.8 C (-10.8 F)
2013-30.5 C (-22.9 F)
2014-19.3 C (-2.7 F)
2015-26.0 C (-14.8 F)
2016-24.3 C (-11.7 F)
2017-27.7 C (-17.9 F)
2018-27.1 C (-16.8 F)
2019-28.8 C (-19.8 F)
2020-21.6 C (-6.9 F)
2021-21.6 C (-6.9 F)
2022-23.2 C (-9.8 F)
2023-26.0 C (-14.8 F)
2024-24.3 C (-11.7 F)
2025-19.3 C (-2.7 F)
2026-18.3 C (-0.9 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Grand Canyon Np AP by year The wettest day of the year at Grand Canyon Np AP, 1996 to 2026. The record is 67.1 mm (2.6 in) in 2004, marked on the chart; the median year is 27.4 mm (1.1 in). 020406080200020052010201520202025Record: 67.1 mm (2.6 in) in 2004
The wettest day of the year at Grand Canyon Np AP, 1996 to 2026. The record is 67.1 mm (2.6 in) in 2004, marked on the chart; the median year is 27.4 mm (1.1 in).
Wettest day (Rx1day) at Grand Canyon Np AP by year
YearWettest day (Rx1day)
1996n/a
1997n/a
199828.2 mm (1.1 in)
199941.4 mm (1.6 in)
200033.8 mm (1.3 in)
200138.9 mm (1.5 in)
200221.3 mm (0.8 in)
200323.4 mm (0.9 in)
200467.1 mm (2.6 in)
200527.2 mm (1.1 in)
200623.1 mm (0.9 in)
200729.7 mm (1.2 in)
200822.1 mm (0.9 in)
200926.7 mm (1.1 in)
201037.3 mm (1.5 in)
201121.1 mm (0.8 in)
201227.4 mm (1.1 in)
201340.9 mm (1.6 in)
201424.4 mm (1.0 in)
201537.8 mm (1.5 in)
201621.6 mm (0.9 in)
201723.1 mm (0.9 in)
201829.5 mm (1.2 in)
201931.8 mm (1.3 in)
202016.5 mm (0.6 in)
202129.0 mm (1.1 in)
202235.8 mm (1.4 in)
202331.8 mm (1.3 in)
202423.1 mm (0.9 in)
202518.5 mm (0.7 in)
202627.2 mm (1.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Grand Canyon Np AP by year The wettest five days of the year at Grand Canyon Np AP, 1996 to 2026. The record is 101.4 mm (4.0 in) in 1999, marked on the chart; the median year is 46.4 mm (1.8 in). 20406080100120200020052010201520202025Record: 101.4 mm (4.0 in) in 1999
The wettest five days of the year at Grand Canyon Np AP, 1996 to 2026. The record is 101.4 mm (4.0 in) in 1999, marked on the chart; the median year is 46.4 mm (1.8 in).
Wettest five days (Rx5day) at Grand Canyon Np AP by year
YearWettest five days (Rx5day)
1996n/a
1997n/a
199854.3 mm (2.1 in)
1999101.4 mm (4.0 in)
200059.0 mm (2.3 in)
200150.0 mm (2.0 in)
200246.4 mm (1.8 in)
200338.7 mm (1.5 in)
200483.9 mm (3.3 in)
200543.5 mm (1.7 in)
200636.4 mm (1.4 in)
200751.0 mm (2.0 in)
200843.0 mm (1.7 in)
200934.4 mm (1.4 in)
201060.9 mm (2.4 in)
201148.5 mm (1.9 in)
201235.1 mm (1.4 in)
201362.5 mm (2.5 in)
201426.4 mm (1.0 in)
201555.2 mm (2.2 in)
201644.0 mm (1.7 in)
201745.7 mm (1.8 in)
201838.1 mm (1.5 in)
201950.8 mm (2.0 in)
202037.9 mm (1.5 in)
202136.4 mm (1.4 in)
202263.3 mm (2.5 in)
202346.5 mm (1.8 in)
202440.7 mm (1.6 in)
202541.7 mm (1.6 in)
202650.4 mm (2.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Grand Canyon Np AP by year The longest dry spell of the year at Grand Canyon Np AP, 1996 to 2026. The record is 86 days in 1999, marked on the chart; the median year is 55 days. 20406080100200020052010201520202025Record: 86 days in 1999
The longest dry spell of the year at Grand Canyon Np AP, 1996 to 2026. The record is 86 days in 1999, marked on the chart; the median year is 55 days.
Longest dry spell (CDD) at Grand Canyon Np AP by year
YearLongest dry spell (CDD)
1996n/a
1997n/a
199845 days
199986 days
200065 days
200159 days
200278 days
200345 days
200470 days
200574 days
200653 days
200759 days
200855 days
200939 days
201043 days
201139 days
201280 days
201356 days
201465 days
201543 days
201633 days
201754 days
201842 days
201974 days
202070 days
202156 days
202286 days
202345 days
202450 days
202543 days
202641 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

29 years with a frost

Across 29 years with a frost, the median last spring frost at Grand Canyon Np AP falls on 17 June and the median first autumn frost on 17 September, which leaves a median of 93 days between them.

Fitted over all years, the growing season changes by +24.6 days per decade at this station.

Frost dates and growing season at Grand Canyon Np AP
MeasureMedian, all yearsEarliest periodRecent period (1997 to 2025)Recent against earliestFitted trend
Last spring frost17 Junen/a17 Junen/a-4.7 days per decade
First autumn frost17 Septembern/a17 Septembern/a+19.8 days per decade
Growing days93 daysn/a93 daysn/a+24.6 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Grand Canyon Np AP standing records by year: CSV or JSON. Field meanings are on the data page.
  • 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).