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Built 2026-10-19 (19 October 2026)

Weslaco Threshold Days by Year (USC00419588)

15 fixed thresholds counted per year at Weslaco (USC00419588): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Weslaco Thresholds

  • Weslaco: days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 1941 with 31.
  • Weslaco: days with 25 mm (0.98 in) or more of precipitation in 87 years, most in 1992 with 14.
  • Weslaco: days with a maximum temperature at or above 30 C (86 F) in 80 years, most in 2025 with 256.
  • Weslaco: days with a maximum temperature at or above 35 C (95 F) in 80 years, most in 1998 with 124.
  • 15 fixed thresholds have at least one qualifying day at Weslaco.
80 years with a qualifying day
Days at or above 30 C (86 F) per year at Weslaco Days per year at Weslaco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 256 in 2025. 01002003001915: 1861916: 1941919: 1761920: 2001921: 2361923: 1651924: 1901925: 2041926: 1891927: 2291933: 2091934: 1921935: 1781936: 1841937: 2011938: 2141939: 2031940: 2091941: 1881942: 2181943: 1961944: 2101945: 2381946: 2271947: 2211948: 2151949: 2041950: 2371951: 2131952: 1961953: 2221954: 2071955: 2161956: 2161957: 2151958: 1811959: 1931960: 1871961: 1951962: 2091963: 2151964: 2191965: 2001966: 1831967: 1831968: 1941969: 2071970: 1781971: 2051972: 1871974: 2121975: 2221976: 1631977: 1921978: 1951979: 1881980: 1911981: 2031986: 1971987: 1951988: 2241989: 2331990: 2101991: 2081992: 1881993: 1981995: 1891996: 2131997: 1921998: 2201999: 2202000: 2262001: 2032002: 1982003: 1682008: 1812023: 2122024: 2342025: 2562026: 2201915192619391947195519631971198019922001
Days per year at Weslaco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 256 in 2025.
Days at or above 30 C (86 F) per year at Weslaco
YearDaysDecade average
1915186185.3
1916194185.3
1919176185.3
1920200201.9
1921236201.9
1923165201.9
1924190201.9
1925204201.9
1926189201.9
1927229201.9
1933209197.3
1934192197.3
1935178197.3
1936184197.3
1937201197.3
1938214197.3
1939203197.3
1940209212.6
1941188212.6
1942218212.6
1943196212.6
1944210212.6
1945238212.6
1946227212.6
1947221212.6
1948215212.6
1949204212.6
1950237209.6
1951213209.6
1952196209.6
1953222209.6
1954207209.6
1955216209.6
1956216209.6
1957215209.6
1958181209.6
1959193209.6
1960187199.2
1961195199.2
1962209199.2
1963215199.2
1964219199.2
1965200199.2
1966183199.2
1967183199.2
1968194199.2
1969207199.2
1970178193.6
1971205193.6
1972187193.6
1974212193.6
1975222193.6
1976163193.6
1977192193.6
1978195193.6
1979188193.6
1980191207.2
1981203207.2
1986197207.2
1987195207.2
1988224207.2
1989233207.2
1990210204.2
1991208204.2
1992188204.2
1993198204.2
1995189204.2
1996213204.2
1997192204.2
1998220204.2
1999220204.2
2000226195.2
2001203195.2
2002198195.2
2003168195.2
2008181195.2
2023212230.5
2024234230.5
2025256230.5
2026220230.5
First to last qualifying date each year at Weslaco For each year, a bar from the first to the last day at Weslaco meeting 30 C (86 F). 1915: 7 April 1915 to 31 December 19151916: 2 January 1916 to 26 December 19161919: 12 February 1919 to 13 December 19191920: 23 February 1920 to 21 December 19201921: 5 February 1921 to 31 December 19211923: 8 January 1923 to 30 December 19231924: 3 February 1924 to 8 December 19241925: 13 February 1925 to 3 December 19251926: 17 February 1926 to 28 November 19261927: 16 February 1927 to 13 December 19271933: 26 February 1933 to 17 December 19331934: 6 March 1934 to 30 December 19341935: 10 January 1935 to 10 November 19351936: 18 January 1936 to 4 November 19361937: 15 January 1937 to 15 November 19371938: 18 January 1938 to 5 December 19381939: 10 January 1939 to 24 December 19391940: 12 January 1940 to 24 November 19401941: 16 January 1941 to 20 November 19411942: 8 March 1942 to 27 December 19421943: 17 January 1943 to 7 November 19431944: 10 February 1944 to 16 November 19441945: 11 February 1945 to 31 December 19451946: 6 January 1946 to 28 December 19461947: 26 January 1947 to 4 December 19471948: 1 March 1948 to 24 December 19481949: 14 February 1949 to 21 December 19491950: 13 January 1950 to 15 December 19501951: 13 January 1951 to 31 December 19511952: 8 January 1952 to 15 November 19521953: 8 January 1953 to 5 December 19531954: 20 January 1954 to 4 December 19541955: 5 January 1955 to 25 December 19551956: 15 January 1956 to 20 November 19561957: 7 January 1957 to 17 November 19571958: 26 February 1958 to 17 November 19581959: 17 February 1959 to 26 November 19591960: 14 January 1960 to 28 November 19601961: 27 February 1961 to 9 December 19611962: 5 February 1962 to 17 November 19621963: 10 January 1963 to 11 December 19631964: 3 March 1964 to 26 December 19641965: 25 January 1965 to 26 November 19651966: 9 February 1966 to 19 November 19661967: 11 February 1967 to 2 November 19671968: 1 April 1968 to 27 December 19681969: 21 January 1969 to 14 November 19691970: 3 March 1970 to 22 November 19701971: 3 January 1971 to 30 November 19711972: 13 January 1972 to 10 December 19721974: 9 January 1974 to 24 December 19741975: 15 February 1975 to 13 December 19751976: 17 February 1976 to 19 October 19761977: 23 February 1977 to 16 December 19771978: 25 February 1978 to 20 December 19781979: 23 February 1979 to 27 November 19791980: 4 March 1980 to 9 November 19801981: 10 February 1981 to 22 December 19811986: 16 February 1986 to 23 November 19861987: 18 March 1987 to 25 December 19871988: 29 February 1988 to 23 December 19881989: 4 January 1989 to 28 November 19891990: 12 January 1990 to 31 December 19901991: 14 February 1991 to 1 December 19911992: 25 February 1992 to 12 November 19921993: 16 February 1993 to 10 December 19931995: 11 February 1995 to 18 December 19951996: 24 January 1996 to 14 December 19961997: 4 January 1997 to 29 November 19971998: 12 February 1998 to 22 December 19981999: 18 January 1999 to 25 November 19992000: 3 January 2000 to 30 November 20002001: 25 February 2001 to 28 November 20012002: 24 January 2002 to 11 November 20022003: 4 February 2003 to 30 October 20032008: 6 February 2008 to 28 December 20082023: 3 January 2023 to 9 December 20232024: 9 January 2024 to 31 December 20242025: 2 January 2025 to 30 December 20252026: 3 January 2026 to 15 October 202619151933194319531963197419881999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Weslaco meeting 30 C (86 F).
First to last qualifying date each year at Weslaco
YearFirst dateLast date
19151915-04-071915-12-31
19161916-01-021916-12-26
19191919-02-121919-12-13
19201920-02-231920-12-21
19211921-02-051921-12-31
19231923-01-081923-12-30
19241924-02-031924-12-08
19251925-02-131925-12-03
19261926-02-171926-11-28
19271927-02-161927-12-13
19331933-02-261933-12-17
19341934-03-061934-12-30
19351935-01-101935-11-10
19361936-01-181936-11-04
19371937-01-151937-11-15
19381938-01-181938-12-05
19391939-01-101939-12-24
19401940-01-121940-11-24
19411941-01-161941-11-20
19421942-03-081942-12-27
19431943-01-171943-11-07
19441944-02-101944-11-16
19451945-02-111945-12-31
19461946-01-061946-12-28
19471947-01-261947-12-04
19481948-03-011948-12-24
19491949-02-141949-12-21
19501950-01-131950-12-15
19511951-01-131951-12-31
19521952-01-081952-11-15
19531953-01-081953-12-05
19541954-01-201954-12-04
19551955-01-051955-12-25
19561956-01-151956-11-20
19571957-01-071957-11-17
19581958-02-261958-11-17
19591959-02-171959-11-26
19601960-01-141960-11-28
19611961-02-271961-12-09
19621962-02-051962-11-17
19631963-01-101963-12-11
19641964-03-031964-12-26
19651965-01-251965-11-26
19661966-02-091966-11-19
19671967-02-111967-11-02
19681968-04-011968-12-27
19691969-01-211969-11-14
19701970-03-031970-11-22
19711971-01-031971-11-30
19721972-01-131972-12-10
19741974-01-091974-12-24
19751975-02-151975-12-13
19761976-02-171976-10-19
19771977-02-231977-12-16
19781978-02-251978-12-20
19791979-02-231979-11-27
19801980-03-041980-11-09
19811981-02-101981-12-22
19861986-02-161986-11-23
19871987-03-181987-12-25
19881988-02-291988-12-23
19891989-01-041989-11-28
19901990-01-121990-12-31
19911991-02-141991-12-01
19921992-02-251992-11-12
19931993-02-161993-12-10
19951995-02-111995-12-18
19961996-01-241996-12-14
19971997-01-041997-11-29
19981998-02-121998-12-22
19991999-01-181999-11-25
20002000-01-032000-11-30
20012001-02-252001-11-28
20022002-01-242002-11-11
20032003-02-042003-10-30
20082008-02-062008-12-28
20232023-01-032023-12-09
20242024-01-092024-12-31
20252025-01-022025-12-30
20262026-01-032026-10-15

Every Fixed Threshold

Fixed thresholds at Weslaco
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days802562025220
35 C (95 F): Days801241998120
40 C (104 F): Days23519432
90 F (32.2 C): Days801861946181
100 F (37.8 C): Days7564202356
110 F (43.3 C): Days1119201
0 C (32 F): Ice days (max4219621
0 C (32 F): Frost days (min611419893
20 C (68 F): Tropical nights (min802071950189
25 C (77 F): Days with min80972024104
10 mm (0.39 in): Days with 10 mm or more rain8931194115
25 mm (0.98 in): Days with 25 mm or more rain871419929
50 mm (1.97 in): Days with 50 mm or more rain76519403
100 mm (3.94 in): Days with 100 mm or more rain26219331
200 mm (7.87 in): Days with 200 mm or more rain3119331

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Weslaco 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).