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Built 2026-10-17 (17 October 2026)

Del Rio Intl AP Threshold Days by Year

19 fixed thresholds counted per year at Del Rio Intl AP (USW00022010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Del Rio Intl AP Thresholds

  • Del Rio Intl AP: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 2024 with 229.
  • Del Rio Intl AP: days with a maximum temperature at or above 35 C (95 F) in 68 years, most in 2024 with 146.
  • Del Rio Intl AP: days with a maximum temperature at or above 90 F (32.2 C) in 68 years, most in 2024 with 199.
  • Del Rio Intl AP: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1966 with 27.
  • 19 fixed thresholds have at least one qualifying day at Del Rio Intl AP.
68 years with a qualifying day
Days at or above 30 C (86 F) per year at Del Rio Intl AP Days per year at Del Rio Intl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 2024. 01002003001952: 1661953: 1781954: 1721955: 1951956: 1891964: 1621965: 1601966: 1531967: 1641968: 1501969: 1551970: 1481971: 1531972: 1731973: 1481974: 1651975: 1621976: 1391977: 1481978: 1681979: 1641980: 1881981: 1531982: 1681983: 1611984: 1661985: 1651986: 1651987: 1401988: 1761989: 1801990: 1491991: 1801992: 1531993: 1811994: 1771995: 1841996: 1831997: 1511998: 1751999: 1812000: 1842001: 1632002: 1802003: 1582004: 1432005: 1712006: 1962007: 1532008: 1742009: 1762010: 1622011: 2042012: 1872013: 1812014: 1832015: 1632016: 1732017: 1722018: 1702019: 1862020: 2042021: 2042022: 1982023: 2112024: 2292025: 2232026: 1871952196619731980198719942001200820152022
Days per year at Del Rio Intl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 2024.
Days at or above 30 C (86 F) per year at Del Rio Intl AP
YearDaysDecade average
1952166180
1953178180
1954172180
1955195180
1956189180
1964162157.3
1965160157.3
1966153157.3
1967164157.3
1968150157.3
1969155157.3
1970148156.8
1971153156.8
1972173156.8
1973148156.8
1974165156.8
1975162156.8
1976139156.8
1977148156.8
1978168156.8
1979164156.8
1980188166.2
1981153166.2
1982168166.2
1983161166.2
1984166166.2
1985165166.2
1986165166.2
1987140166.2
1988176166.2
1989180166.2
1990149171.4
1991180171.4
1992153171.4
1993181171.4
1994177171.4
1995184171.4
1996183171.4
1997151171.4
1998175171.4
1999181171.4
2000184169.8
2001163169.8
2002180169.8
2003158169.8
2004143169.8
2005171169.8
2006196169.8
2007153169.8
2008174169.8
2009176169.8
2010162178.1
2011204178.1
2012187178.1
2013181178.1
2014183178.1
2015163178.1
2016173178.1
2017172178.1
2018170178.1
2019186178.1
2020204208
2021204208
2022198208
2023211208
2024229208
2025223208
2026187208
First to last qualifying date each year at Del Rio Intl AP For each year, a bar from the first to the last day at Del Rio Intl AP meeting 30 C (86 F). 1952: 19 March 1952 to 17 November 19521953: 5 February 1953 to 14 October 19531954: 10 February 1954 to 22 October 19541955: 1 March 1955 to 25 December 19551956: 17 February 1956 to 29 October 19561964: 3 March 1964 to 17 October 19641965: 10 March 1965 to 26 November 19651966: 22 March 1966 to 14 October 19661967: 3 March 1967 to 26 November 19671968: 14 April 1968 to 5 November 19681969: 7 February 1969 to 12 November 19691970: 11 April 1970 to 26 October 19701971: 22 January 1971 to 18 October 19711972: 23 January 1972 to 18 October 19721973: 23 March 1973 to 10 October 19731974: 20 February 1974 to 19 October 19741975: 26 January 1975 to 29 November 19751976: 11 February 1976 to 3 October 19761977: 18 February 1977 to 16 December 19771978: 28 February 1978 to 11 October 19781979: 15 February 1979 to 29 October 19791980: 19 February 1980 to 9 November 19801981: 30 March 1981 to 17 October 19811982: 17 February 1982 to 31 October 19821983: 1 March 1983 to 22 November 19831984: 13 March 1984 to 20 October 19841985: 11 March 1985 to 25 October 19851986: 17 February 1986 to 18 November 19861987: 10 April 1987 to 11 December 19871988: 28 February 1988 to 15 November 19881989: 26 February 1989 to 23 October 19891990: 15 February 1990 to 20 October 19901991: 13 February 1991 to 28 October 19911992: 7 April 1992 to 31 October 19921993: 15 February 1993 to 19 October 19931994: 5 March 1994 to 3 November 19941995: 2 February 1995 to 5 December 19951996: 30 January 1996 to 26 October 19961997: 13 March 1997 to 31 October 19971998: 23 February 1998 to 5 October 19981999: 9 February 1999 to 3 December 19992000: 19 January 2000 to 5 October 20002001: 22 March 2001 to 24 October 20012002: 13 March 2002 to 10 November 20022003: 21 January 2003 to 31 October 20032004: 7 April 2004 to 22 October 20042005: 13 March 2005 to 27 November 20052006: 3 January 2006 to 14 November 20062007: 26 February 2007 to 21 November 20072008: 4 February 2008 to 22 October 20082009: 25 February 2009 to 16 October 20092010: 30 March 2010 to 22 November 20102011: 21 February 2011 to 26 October 20112012: 23 February 2012 to 8 November 20122013: 29 January 2013 to 17 November 20132014: 26 January 2014 to 30 October 20142015: 20 January 2015 to 16 October 20152016: 31 January 2016 to 1 November 20162017: 7 February 2017 to 2 November 20172018: 4 February 2018 to 14 October 20182019: 15 February 2019 to 15 December 20192020: 4 February 2020 to 24 November 20202021: 4 February 2021 to 10 December 20212022: 1 January 2022 to 7 November 20222023: 1 January 2023 to 7 November 20232024: 20 February 2024 to 30 December 20242025: 3 February 2025 to 17 November 20252026: 2 January 2026 to 12 October 202619521968197719861995200420132022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Del Rio Intl AP meeting 30 C (86 F).
First to last qualifying date each year at Del Rio Intl AP
YearFirst dateLast date
19521952-03-191952-11-17
19531953-02-051953-10-14
19541954-02-101954-10-22
19551955-03-011955-12-25
19561956-02-171956-10-29
19641964-03-031964-10-17
19651965-03-101965-11-26
19661966-03-221966-10-14
19671967-03-031967-11-26
19681968-04-141968-11-05
19691969-02-071969-11-12
19701970-04-111970-10-26
19711971-01-221971-10-18
19721972-01-231972-10-18
19731973-03-231973-10-10
19741974-02-201974-10-19
19751975-01-261975-11-29
19761976-02-111976-10-03
19771977-02-181977-12-16
19781978-02-281978-10-11
19791979-02-151979-10-29
19801980-02-191980-11-09
19811981-03-301981-10-17
19821982-02-171982-10-31
19831983-03-011983-11-22
19841984-03-131984-10-20
19851985-03-111985-10-25
19861986-02-171986-11-18
19871987-04-101987-12-11
19881988-02-281988-11-15
19891989-02-261989-10-23
19901990-02-151990-10-20
19911991-02-131991-10-28
19921992-04-071992-10-31
19931993-02-151993-10-19
19941994-03-051994-11-03
19951995-02-021995-12-05
19961996-01-301996-10-26
19971997-03-131997-10-31
19981998-02-231998-10-05
19991999-02-091999-12-03
20002000-01-192000-10-05
20012001-03-222001-10-24
20022002-03-132002-11-10
20032003-01-212003-10-31
20042004-04-072004-10-22
20052005-03-132005-11-27
20062006-01-032006-11-14
20072007-02-262007-11-21
20082008-02-042008-10-22
20092009-02-252009-10-16
20102010-03-302010-11-22
20112011-02-212011-10-26
20122012-02-232012-11-08
20132013-01-292013-11-17
20142014-01-262014-10-30
20152015-01-202015-10-16
20162016-01-312016-11-01
20172017-02-072017-11-02
20182018-02-042018-10-14
20192019-02-152019-12-15
20202020-02-042020-11-24
20212021-02-042021-12-10
20222022-01-012022-11-07
20232023-01-012023-11-07
20242024-02-202024-12-30
20252025-02-032025-11-17
20262026-01-022026-10-12

Every Fixed Threshold

Fixed thresholds at Del Rio Intl AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days682292024187
35 C (95 F): Days681462024107
40 C (104 F): Days556620235
45 C (113 F): Days2220231
90 F (32.2 C): Days681992024159
100 F (37.8 C): Days6691202346
110 F (43.3 C): Days81020233
0 C (32 F): Ice days (max9219831
0 C (32 F): Frost days (min682719668
-10 C (14 F): Days with min4119831
20 C (68 F): Tropical nights (min681852025165
25 C (77 F): Days with min6798202479
10 mm (0.39 in): Days with 10 mm or more rain682620169
25 mm (0.98 in): Days with 25 mm or more rain681320153
50 mm (1.97 in): Days with 50 mm or more rain53520182
100 mm (3.94 in): Days with 100 mm or more rain16119641
200 mm (7.87 in): Days with 200 mm or more rain1119981
10 cm (3.9 in): Days with 10 cm or more snowfall3119851
25 cm (9.8 in): Days with 25 cm or more snowfall1120211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Del Rio Intl 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-15).