Built 2026-10-19 (19 October 2026)

Guerrero (Smn) Threshold Days by Year (MXN00008028)

13 fixed thresholds counted per year at Guerrero (Smn) (MXN00008028): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Guerrero (Smn) Thresholds

  • Guerrero (Smn): days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1938 with 22.
  • Guerrero (Smn): nights with a minimum temperature at or below 0 C (32 F) in 71 years, most in 1945 with 179.
  • Guerrero (Smn): days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1932 with 6.
  • Guerrero (Smn): days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 1951 with 83.
  • 13 fixed thresholds have at least one qualifying day at Guerrero (Smn).
66 years with a qualifying day
Days at or above 30 C (86 F) per year at Guerrero (Smn) Days per year at Guerrero (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 83 in 1951. 02550751001924: 281926: 211927: 571928: 761930: 21931: 11932: 141933: 171934: 91935: 111936: 291937: 451938: 241939: 261940: 341941: 231942: 281943: 81944: 321945: 251946: 231947: 411948: 501949: 421950: 521951: 831952: 751953: 681954: 531955: 501956: 791957: 631958: 731959: 701960: 671961: 701962: 581963: 501964: 441965: 571966: 541967: 311968: 341969: 671970: 551971: 331972: 331973: 371974: 311975: 271976: 331977: 471978: 651979: 791980: 771981: 321982: 441983: 271984: 141986: 61987: 221988: 151991: 211996: 391997: 491998: 761924193319401947195419611968197519821996
Days per year at Guerrero (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 83 in 1951.
Days at or above 30 C (86 F) per year at Guerrero (Smn)
YearDaysDecade average
19242845.5
19262145.5
19275745.5
19287645.5
1930217.8
1931117.8
19321417.8
19331717.8
1934917.8
19351117.8
19362917.8
19374517.8
19382417.8
19392617.8
19403430.6
19412330.6
19422830.6
1943830.6
19443230.6
19452530.6
19462330.6
19474130.6
19485030.6
19494230.6
19505266.6
19518366.6
19527566.6
19536866.6
19545366.6
19555066.6
19567966.6
19576366.6
19587366.6
19597066.6
19606753.2
19617053.2
19625853.2
19635053.2
19644453.2
19655753.2
19665453.2
19673153.2
19683453.2
19696753.2
19705544
19713344
19723344
19733744
19743144
19752744
19763344
19774744
19786544
19797944
19807729.6
19813229.6
19824429.6
19832729.6
19841429.6
1986629.6
19872229.6
19881529.6
19912146.3
19963946.3
19974946.3
19987646.3
First to last qualifying date each year at Guerrero (Smn) For each year, a bar from the first to the last day at Guerrero (Smn) meeting 30 C (86 F). 1924: 5 June 1924 to 19 August 19241926: 20 May 1926 to 31 August 19261927: 25 May 1927 to 4 November 19271928: 25 February 1928 to 17 July 19281930: 29 June 1930 to 3 August 19301931: 14 June 1931 to 14 June 19311932: 12 June 1932 to 28 June 19321933: 20 May 1933 to 31 July 19331934: 7 June 1934 to 18 June 19341935: 3 June 1935 to 11 August 19351936: 30 April 1936 to 21 July 19361937: 15 May 1937 to 12 August 19371938: 26 May 1938 to 21 June 19381939: 18 May 1939 to 22 June 19391940: 1 May 1940 to 8 October 19401941: 7 May 1941 to 29 June 19411942: 24 May 1942 to 30 July 19421943: 24 April 1943 to 29 July 19431944: 30 May 1944 to 5 August 19441945: 17 May 1945 to 8 September 19451946: 3 June 1946 to 25 August 19461947: 3 May 1947 to 11 July 19471948: 15 May 1948 to 6 September 19481949: 27 April 1949 to 20 July 19491950: 16 May 1950 to 30 October 19501951: 2 June 1951 to 5 October 19511952: 2 May 1952 to 22 October 19521953: 19 May 1953 to 29 September 19531954: 6 April 1954 to 20 September 19541955: 16 April 1955 to 21 September 19551956: 3 May 1956 to 6 October 19561957: 28 May 1957 to 21 September 19571958: 21 April 1958 to 6 September 19581959: 3 April 1959 to 18 September 19591960: 9 May 1960 to 29 September 19601961: 21 April 1961 to 27 November 19611962: 17 April 1962 to 31 August 19621963: 8 April 1963 to 19 September 19631964: 14 May 1964 to 3 September 19641965: 20 April 1965 to 16 August 19651966: 13 May 1966 to 9 October 19661967: 3 April 1967 to 5 October 19671968: 20 May 1968 to 4 October 19681969: 21 April 1969 to 18 September 19691970: 5 May 1970 to 2 September 19701971: 3 May 1971 to 15 September 19711972: 6 April 1972 to 2 August 19721973: 10 May 1973 to 26 August 19731974: 23 April 1974 to 10 September 19741975: 14 May 1975 to 11 July 19751976: 10 May 1976 to 24 August 19761977: 2 May 1977 to 1 October 19771978: 24 April 1978 to 27 August 19781979: 28 April 1979 to 24 October 19791980: 18 May 1980 to 20 September 19801981: 18 May 1981 to 31 August 19811982: 12 April 1982 to 26 September 19821983: 22 May 1983 to 11 September 19831984: 10 May 1984 to 14 June 19841986: 11 June 1986 to 20 June 19861987: 17 April 1987 to 11 September 19871988: 9 May 1988 to 23 June 19881991: 19 May 1991 to 6 July 19911996: 5 May 1996 to 18 October 19961997: 3 May 1997 to 20 September 19971998: 10 April 1998 to 13 October 199819241935194419531962197119801996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Guerrero (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Guerrero (Smn)
YearFirst dateLast date
19241924-06-051924-08-19
19261926-05-201926-08-31
19271927-05-251927-11-04
19281928-02-251928-07-17
19301930-06-291930-08-03
19311931-06-141931-06-14
19321932-06-121932-06-28
19331933-05-201933-07-31
19341934-06-071934-06-18
19351935-06-031935-08-11
19361936-04-301936-07-21
19371937-05-151937-08-12
19381938-05-261938-06-21
19391939-05-181939-06-22
19401940-05-011940-10-08
19411941-05-071941-06-29
19421942-05-241942-07-30
19431943-04-241943-07-29
19441944-05-301944-08-05
19451945-05-171945-09-08
19461946-06-031946-08-25
19471947-05-031947-07-11
19481948-05-151948-09-06
19491949-04-271949-07-20
19501950-05-161950-10-30
19511951-06-021951-10-05
19521952-05-021952-10-22
19531953-05-191953-09-29
19541954-04-061954-09-20
19551955-04-161955-09-21
19561956-05-031956-10-06
19571957-05-281957-09-21
19581958-04-211958-09-06
19591959-04-031959-09-18
19601960-05-091960-09-29
19611961-04-211961-11-27
19621962-04-171962-08-31
19631963-04-081963-09-19
19641964-05-141964-09-03
19651965-04-201965-08-16
19661966-05-131966-10-09
19671967-04-031967-10-05
19681968-05-201968-10-04
19691969-04-211969-09-18
19701970-05-051970-09-02
19711971-05-031971-09-15
19721972-04-061972-08-02
19731973-05-101973-08-26
19741974-04-231974-09-10
19751975-05-141975-07-11
19761976-05-101976-08-24
19771977-05-021977-10-01
19781978-04-241978-08-27
19791979-04-281979-10-24
19801980-05-181980-09-20
19811981-05-181981-08-31
19821982-04-121982-09-26
19831983-05-221983-09-11
19841984-05-101984-06-14
19861986-06-111986-06-20
19871987-04-171987-09-11
19881988-05-091988-06-23
19911991-05-191991-07-06
19961996-05-051996-10-18
19971997-05-031997-09-20
19981998-04-101998-10-13

Every Fixed Threshold

Fixed thresholds at Guerrero (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6683195176
35 C (95 F): Days313019284
40 C (104 F): Days2619282
45 C (113 F): Days1219282
90 F (32.2 C): Days6246192814
100 F (37.8 C): Days21019283
110 F (43.3 C): Days1219282
0 C (32 F): Ice days (max4219241
0 C (32 F): Frost days (min711791945157
-10 C (14 F): Days with min633419443
10 mm (0.39 in): Days with 10 mm or more rain732219387
25 mm (0.98 in): Days with 25 mm or more rain67619322
50 mm (1.97 in): Days with 50 mm or more rain16219411

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

  • Data for Guerrero (Smn) 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).