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Built 2026-10-19 (19 October 2026)

McAllen Threshold Days by Year (USC00415701)

13 fixed thresholds counted per year at McAllen (USC00415701): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for McAllen Thresholds

  • McAllen: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1975 with 27.
  • McAllen: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 2025 with 258.
  • McAllen: days with a maximum temperature at or above 35 C (95 F) in 74 years, most in 2016 with 137.
  • McAllen: days with a maximum temperature at or above 90 F (32.2 C) in 74 years, most in 2025 with 203.
  • 13 fixed thresholds have at least one qualifying day at McAllen.
74 years with a qualifying day
Days at or above 30 C (86 F) per year at McAllen Days per year at McAllen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 258 in 2025. 01002003001942: 2191943: 2011944: 2161945: 2191946: 2231947: 2201948: 2181949: 2111950: 2451951: 2071952: 2001953: 2171954: 2081955: 2221956: 2171957: 2141958: 1831959: 2011960: 2071961: 2091962: 2281963: 2191964: 2211965: 2031966: 1891967: 1931968: 1941969: 2091970: 1861971: 2041972: 2251973: 1951974: 2111975: 1991976: 1341977: 1951978: 1951979: 1871980: 1931981: 1931982: 2051983: 1931984: 1881985: 2121986: 2001989: 1991990: 1811991: 1971992: 1631995: 2051996: 2011997: 1821998: 1791999: 2072000: 2062001: 1992003: 1982004: 2012005: 2182006: 2272007: 2182008: 2132010: 1792012: 2352013: 2022015: 2032016: 2282018: 1952019: 2162020: 2102021: 2072022: 2152025: 2582026: 2131942195019581966197419821992200320132025
Days per year at McAllen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 258 in 2025.
Days at or above 30 C (86 F) per year at McAllen
YearDaysDecade average
1942219215.9
1943201215.9
1944216215.9
1945219215.9
1946223215.9
1947220215.9
1948218215.9
1949211215.9
1950245211.4
1951207211.4
1952200211.4
1953217211.4
1954208211.4
1955222211.4
1956217211.4
1957214211.4
1958183211.4
1959201211.4
1960207207.2
1961209207.2
1962228207.2
1963219207.2
1964221207.2
1965203207.2
1966189207.2
1967193207.2
1968194207.2
1969209207.2
1970186193.1
1971204193.1
1972225193.1
1973195193.1
1974211193.1
1975199193.1
1976134193.1
1977195193.1
1978195193.1
1979187193.1
1980193197.9
1981193197.9
1982205197.9
1983193197.9
1984188197.9
1985212197.9
1986200197.9
1989199197.9
1990181189.4
1991197189.4
1992163189.4
1995205189.4
1996201189.4
1997182189.4
1998179189.4
1999207189.4
2000206210
2001199210
2003198210
2004201210
2005218210
2006227210
2007218210
2008213210
2010179208.3
2012235208.3
2013202208.3
2015203208.3
2016228208.3
2018195208.3
2019216208.3
2020210220.6
2021207220.6
2022215220.6
2025258220.6
2026213220.6
First to last qualifying date each year at McAllen For each year, a bar from the first to the last day at McAllen meeting 30 C (86 F). 1942: 7 March 1942 to 27 December 19421943: 16 January 1943 to 6 November 19431944: 25 January 1944 to 14 November 19441945: 27 January 1945 to 30 December 19451946: 5 January 1946 to 28 December 19461947: 14 January 1947 to 31 December 19471948: 9 January 1948 to 28 December 19481949: 3 January 1949 to 21 December 19491950: 13 January 1950 to 15 December 19501951: 13 January 1951 to 31 December 19511952: 1 January 1952 to 9 December 19521953: 7 January 1953 to 5 December 19531954: 20 January 1954 to 4 December 19541955: 4 February 1955 to 25 December 19551956: 28 January 1956 to 20 November 19561957: 6 January 1957 to 6 December 19571958: 26 February 1958 to 17 November 19581959: 9 February 1959 to 26 November 19591960: 12 January 1960 to 28 November 19601961: 17 February 1961 to 27 November 19611962: 14 January 1962 to 27 November 19621963: 10 January 1963 to 11 December 19631964: 4 March 1964 to 26 December 19641965: 26 January 1965 to 27 November 19651966: 10 February 1966 to 9 December 19661967: 12 February 1967 to 26 November 19671968: 20 March 1968 to 28 December 19681969: 22 January 1969 to 14 November 19691970: 29 January 1970 to 23 December 19701971: 4 January 1971 to 22 December 19711972: 10 January 1972 to 10 December 19721973: 7 March 1973 to 31 December 19731974: 10 January 1974 to 25 December 19741975: 8 January 1975 to 6 December 19751976: 14 January 1976 to 12 November 19761977: 24 February 1977 to 17 December 19771978: 1 March 1978 to 21 December 19781979: 16 February 1979 to 28 November 19791980: 20 February 1980 to 11 November 19801981: 11 February 1981 to 23 December 19811982: 3 January 1982 to 25 December 19821983: 4 March 1983 to 11 December 19831984: 13 March 1984 to 22 December 19841985: 23 February 1985 to 1 December 19851986: 1 January 1986 to 24 November 19861989: 4 January 1989 to 28 November 19891990: 20 January 1990 to 31 December 19901991: 1 January 1991 to 2 December 19911992: 5 March 1992 to 4 November 19921995: 4 February 1995 to 6 December 19951996: 24 January 1996 to 8 December 19961997: 4 January 1997 to 6 November 19971998: 6 March 1998 to 22 December 19981999: 18 January 1999 to 23 November 19992000: 24 January 2000 to 13 November 20002001: 16 February 2001 to 28 November 20012003: 22 January 2003 to 24 November 20032004: 5 January 2004 to 13 December 20042005: 14 February 2005 to 29 December 20052006: 3 January 2006 to 29 November 20062007: 21 February 2007 to 22 December 20072008: 8 January 2008 to 28 December 20082010: 11 March 2010 to 30 November 20102012: 18 January 2012 to 20 December 20122013: 30 January 2013 to 22 November 20132015: 9 February 2015 to 27 December 20152016: 16 January 2016 to 29 December 20162018: 2 February 2018 to 1 December 20182019: 8 February 2019 to 17 December 20192020: 15 January 2020 to 24 December 20202021: 31 January 2021 to 30 December 20212022: 1 January 2022 to 14 December 20222025: 1 January 2025 to 29 December 20252026: 3 January 2026 to 15 October 202619421952196219721982199620072021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at McAllen meeting 30 C (86 F).
First to last qualifying date each year at McAllen
YearFirst dateLast date
19421942-03-071942-12-27
19431943-01-161943-11-06
19441944-01-251944-11-14
19451945-01-271945-12-30
19461946-01-051946-12-28
19471947-01-141947-12-31
19481948-01-091948-12-28
19491949-01-031949-12-21
19501950-01-131950-12-15
19511951-01-131951-12-31
19521952-01-011952-12-09
19531953-01-071953-12-05
19541954-01-201954-12-04
19551955-02-041955-12-25
19561956-01-281956-11-20
19571957-01-061957-12-06
19581958-02-261958-11-17
19591959-02-091959-11-26
19601960-01-121960-11-28
19611961-02-171961-11-27
19621962-01-141962-11-27
19631963-01-101963-12-11
19641964-03-041964-12-26
19651965-01-261965-11-27
19661966-02-101966-12-09
19671967-02-121967-11-26
19681968-03-201968-12-28
19691969-01-221969-11-14
19701970-01-291970-12-23
19711971-01-041971-12-22
19721972-01-101972-12-10
19731973-03-071973-12-31
19741974-01-101974-12-25
19751975-01-081975-12-06
19761976-01-141976-11-12
19771977-02-241977-12-17
19781978-03-011978-12-21
19791979-02-161979-11-28
19801980-02-201980-11-11
19811981-02-111981-12-23
19821982-01-031982-12-25
19831983-03-041983-12-11
19841984-03-131984-12-22
19851985-02-231985-12-01
19861986-01-011986-11-24
19891989-01-041989-11-28
19901990-01-201990-12-31
19911991-01-011991-12-02
19921992-03-051992-11-04
19951995-02-041995-12-06
19961996-01-241996-12-08
19971997-01-041997-11-06
19981998-03-061998-12-22
19991999-01-181999-11-23
20002000-01-242000-11-13
20012001-02-162001-11-28
20032003-01-222003-11-24
20042004-01-052004-12-13
20052005-02-142005-12-29
20062006-01-032006-11-29
20072007-02-212007-12-22
20082008-01-082008-12-28
20102010-03-112010-11-30
20122012-01-182012-12-20
20132013-01-302013-11-22
20152015-02-092015-12-27
20162016-01-162016-12-29
20182018-02-022018-12-01
20192019-02-082019-12-17
20202020-01-152020-12-24
20212021-01-312021-12-30
20222022-01-012022-12-14
20252025-01-012025-12-29
20262026-01-032026-10-15

Every Fixed Threshold

Fixed thresholds at McAllen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days742582025213
35 C (95 F): Days741372016114
40 C (104 F): Days31720051
90 F (32.2 C): Days742032025175
100 F (37.8 C): Days7364201642
0 C (32 F): Ice days (max5219511
0 C (32 F): Frost days (min461319893
20 C (68 F): Tropical nights (min702312025199
25 C (77 F): Days with min681242025119
10 mm (0.39 in): Days with 10 mm or more rain7527197511
25 mm (0.98 in): Days with 25 mm or more rain741620216
50 mm (1.97 in): Days with 50 mm or more rain60620213
100 mm (3.94 in): Days with 100 mm or more rain18219542

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for McAllen 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).