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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Celestun (Smn) Threshold Days by Year (MXN00031004)

13 fixed thresholds counted per year at Celestun (Smn) (MXN00031004): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Celestun (Smn) Thresholds

  • Celestun (Smn): days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1947 with 42.
  • Celestun (Smn): days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1965 with 15.
  • Celestun (Smn): days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1965 with 6.
  • Celestun (Smn): days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1961 with 321.
  • 13 fixed thresholds have at least one qualifying day at Celestun (Smn).
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Celestun (Smn) Days per year at Celestun (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 321 in 1961. 01002003004001953: 3031954: 2671955: 2651956: 2841957: 2891958: 2461959: 2731960: 3071961: 3211962: 2921963: 2771964: 2631965: 2671966: 2211967: 2461968: 2511970: 2381971: 2691972: 2711973: 2541974: 2821980: 3061981: 2941982: 3191983: 258195319561959196219651968197219801983
Days per year at Celestun (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 321 in 1961.
Days at or above 30 C (86 F) per year at Celestun (Smn)
YearDaysDecade average
1953303275.3
1954267275.3
1955265275.3
1956284275.3
1957289275.3
1958246275.3
1959273275.3
1960307271.7
1961321271.7
1962292271.7
1963277271.7
1964263271.7
1965267271.7
1966221271.7
1967246271.7
1968251271.7
1970238262.8
1971269262.8
1972271262.8
1973254262.8
1974282262.8
1980306294.3
1981294294.3
1982319294.3
1983258294.3
First to last qualifying date each year at Celestun (Smn) For each year, a bar from the first to the last day at Celestun (Smn) meeting 30 C (86 F). 1953: 1 January 1953 to 30 December 19531954: 2 January 1954 to 28 December 19541955: 1 January 1955 to 24 December 19551956: 17 January 1956 to 23 December 19561957: 4 January 1957 to 31 December 19571958: 28 January 1958 to 30 December 19581959: 3 January 1959 to 31 December 19591960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 19 December 19611962: 13 January 1962 to 29 December 19621963: 6 January 1963 to 14 December 19631964: 6 January 1964 to 31 December 19641965: 7 January 1965 to 19 December 19651966: 2 January 1966 to 28 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681970: 22 January 1970 to 30 December 19701971: 2 January 1971 to 31 December 19711972: 1 January 1972 to 30 December 19721973: 1 January 1973 to 31 December 19731974: 2 January 1974 to 30 November 19741980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 2 January 1982 to 31 December 19821983: 1 January 1983 to 30 November 19831953195719611965197019741983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Celestun (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Celestun (Smn)
YearFirst dateLast date
19531953-01-011953-12-30
19541954-01-021954-12-28
19551955-01-011955-12-24
19561956-01-171956-12-23
19571957-01-041957-12-31
19581958-01-281958-12-30
19591959-01-031959-12-31
19601960-01-011960-12-31
19611961-01-011961-12-19
19621962-01-131962-12-29
19631963-01-061963-12-14
19641964-01-061964-12-31
19651965-01-071965-12-19
19661966-01-021966-12-28
19671967-01-011967-12-31
19681968-01-011968-12-31
19701970-01-221970-12-30
19711971-01-021971-12-31
19721972-01-011972-12-30
19731973-01-011973-12-31
19741974-01-021974-11-30
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-021982-12-31
19831983-01-011983-11-30

Every Fixed Threshold

Fixed thresholds at Celestun (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days253211961258
35 C (95 F): Days25153195388
40 C (104 F): Days183319531
45 C (113 F): Days2119531
90 F (32.2 C): Days252431953219
100 F (37.8 C): Days2576195317
110 F (43.3 C): Days2719532
20 C (68 F): Tropical nights (min253161964263
25 C (77 F): Days with min2531195815
10 mm (0.39 in): Days with 10 mm or more rain3442194728
25 mm (0.98 in): Days with 25 mm or more rain3415196512
50 mm (1.97 in): Days with 50 mm or more rain26619653
100 mm (3.94 in): Days with 100 mm or more rain8119551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

  • Data for Celestun (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).