Built 2026-10-19 (19 October 2026)

Siquirichi (Smn) Threshold Days by Year (MXN00008138)

12 fixed thresholds counted per year at Siquirichi (Smn) (MXN00008138): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Siquirichi (Smn) Thresholds

  • Siquirichi (Smn): days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1984 with 33.
  • Siquirichi (Smn): days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1949 with 10.
  • Siquirichi (Smn): days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1950 with 155.
  • Siquirichi (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 1950 with 82.
  • 12 fixed thresholds have at least one qualifying day at Siquirichi (Smn).
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Siquirichi (Smn) Days per year at Siquirichi (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 155 in 1950. 0501001502001945: 211946: 201949: 51950: 1551954: 621955: 361956: 571957: 521959: 581960: 531961: 431962: 841963: 1271964: 391965: 571966: 351967: 231968: 211969: 311970: 511971: 261972: 221973: 361974: 781977: 321978: 521983: 401984: 661945195019561960196319661969197219771984
Days per year at Siquirichi (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 155 in 1950.
Days at or above 30 C (86 F) per year at Siquirichi (Smn)
YearDaysDecade average
19452115.3
19462015.3
1949515.3
195015570
19546270
19553670
19565770
19575270
19595870
19605351.3
19614351.3
19628451.3
196312751.3
19643951.3
19655751.3
19663551.3
19672351.3
19682151.3
19693151.3
19705142.4
19712642.4
19722242.4
19733642.4
19747842.4
19773242.4
19785242.4
19834053
19846653
First to last qualifying date each year at Siquirichi (Smn) For each year, a bar from the first to the last day at Siquirichi (Smn) meeting 30 C (86 F). 1945: 29 April 1945 to 1 July 19451946: 26 May 1946 to 31 October 19461949: 27 April 1949 to 3 July 19491950: 17 April 1950 to 8 December 19501954: 5 April 1954 to 4 December 19541955: 17 April 1955 to 17 July 19551956: 5 February 1956 to 5 October 19561957: 7 January 1957 to 20 September 19571959: 5 April 1959 to 21 September 19591960: 9 May 1960 to 27 September 19601961: 22 April 1961 to 18 October 19611962: 18 April 1962 to 29 November 19621963: 18 February 1963 to 10 October 19631964: 26 January 1964 to 30 October 19641965: 20 April 1965 to 13 October 19651966: 15 May 1966 to 14 October 19661967: 27 January 1967 to 4 November 19671968: 20 May 1968 to 11 November 19681969: 20 April 1969 to 25 December 19691970: 19 May 1970 to 25 December 19701971: 18 January 1971 to 24 December 19711972: 20 February 1972 to 3 November 19721973: 14 January 1973 to 12 November 19731974: 31 January 1974 to 31 October 19741977: 25 May 1977 to 1 October 19771978: 24 April 1978 to 10 October 19781983: 7 May 1983 to 6 October 19831984: 1 May 1984 to 5 September 19841945195419591963196719711977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Siquirichi (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Siquirichi (Smn)
YearFirst dateLast date
19451945-04-291945-07-01
19461946-05-261946-10-31
19491949-04-271949-07-03
19501950-04-171950-12-08
19541954-04-051954-12-04
19551955-04-171955-07-17
19561956-02-051956-10-05
19571957-01-071957-09-20
19591959-04-051959-09-21
19601960-05-091960-09-27
19611961-04-221961-10-18
19621962-04-181962-11-29
19631963-02-181963-10-10
19641964-01-261964-10-30
19651965-04-201965-10-13
19661966-05-151966-10-14
19671967-01-271967-11-04
19681968-05-201968-11-11
19691969-04-201969-12-25
19701970-05-191970-12-25
19711971-01-181971-12-24
19721972-02-201972-11-03
19731973-01-141973-11-12
19741974-01-311974-10-31
19771977-05-251977-10-01
19781978-04-241978-10-10
19831983-05-071983-10-06
19841984-05-011984-09-05

Every Fixed Threshold

Fixed thresholds at Siquirichi (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days28155195066
35 C (95 F): Days204619503
40 C (104 F): Days1319503
90 F (32.2 C): Days2882195014
100 F (37.8 C): Days61919501
0 C (32 F): Ice days (max111194911
0 C (32 F): Frost days (min281691949166
-10 C (14 F): Days with min212019693
20 C (68 F): Tropical nights (min4319631
10 mm (0.39 in): Days with 10 mm or more rain3133198433
25 mm (0.98 in): Days with 25 mm or more rain291019493
50 mm (1.97 in): Days with 50 mm or more rain9319602

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Siquirichi (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).