Built 2026-10-19 (19 October 2026)

Bellaco Threshold Days by Year (MXN00030014)

12 fixed thresholds counted per year at Bellaco (MXN00030014): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bellaco Thresholds

  • Bellaco: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1958 with 57.
  • Bellaco: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1957 with 28.
  • Bellaco: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1965 with 12.
  • Bellaco: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 1971 with 293.
  • 12 fixed thresholds have at least one qualifying day at Bellaco.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Bellaco Days per year at Bellaco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 293 in 1971. 01002003001949: 2231950: 2171952: 2151953: 2441954: 2231955: 2371956: 2611957: 2821958: 2521959: 2571960: 2621961: 2081962: 2041963: 2671964: 2561965: 2441966: 2541968: 2221969: 2311970: 2481971: 2931972: 2851973: 2561974: 2541975: 2681976: 2441977: 2421978: 2671979: 2611949195319561959196219651969197219751978
Days per year at Bellaco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 293 in 1971.
Days at or above 30 C (86 F) per year at Bellaco
YearDaysDecade average
1949223223
1950217243.1
1952215243.1
1953244243.1
1954223243.1
1955237243.1
1956261243.1
1957282243.1
1958252243.1
1959257243.1
1960262238.7
1961208238.7
1962204238.7
1963267238.7
1964256238.7
1965244238.7
1966254238.7
1968222238.7
1969231238.7
1970248261.8
1971293261.8
1972285261.8
1973256261.8
1974254261.8
1975268261.8
1976244261.8
1977242261.8
1978267261.8
1979261261.8
First to last qualifying date each year at Bellaco For each year, a bar from the first to the last day at Bellaco meeting 30 C (86 F). 1949: 3 January 1949 to 12 December 19491950: 4 January 1950 to 21 November 19501952: 2 February 1952 to 30 December 19521953: 20 January 1953 to 28 December 19531954: 10 January 1954 to 28 December 19541955: 2 January 1955 to 24 December 19551956: 17 January 1956 to 23 December 19561957: 8 January 1957 to 31 December 19571958: 12 January 1958 to 12 December 19581959: 3 January 1959 to 31 December 19591960: 1 January 1960 to 31 December 19601961: 7 January 1961 to 27 December 19611962: 4 January 1962 to 25 December 19621963: 10 January 1963 to 27 December 19631964: 19 January 1964 to 29 December 19641965: 26 January 1965 to 24 December 19651966: 1 January 1966 to 31 December 19661968: 1 January 1968 to 27 December 19681969: 9 January 1969 to 29 December 19691970: 11 January 1970 to 31 December 19701971: 3 January 1971 to 23 December 19711972: 1 January 1972 to 30 December 19721973: 6 January 1973 to 31 December 19731974: 7 January 1974 to 31 December 19741975: 9 January 1975 to 29 December 19751976: 2 January 1976 to 31 December 19761977: 27 January 1977 to 30 December 19771978: 8 January 1978 to 31 December 19781979: 1 January 1979 to 23 December 197919491954195819621966197119751979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bellaco meeting 30 C (86 F).
First to last qualifying date each year at Bellaco
YearFirst dateLast date
19491949-01-031949-12-12
19501950-01-041950-11-21
19521952-02-021952-12-30
19531953-01-201953-12-28
19541954-01-101954-12-28
19551955-01-021955-12-24
19561956-01-171956-12-23
19571957-01-081957-12-31
19581958-01-121958-12-12
19591959-01-031959-12-31
19601960-01-011960-12-31
19611961-01-071961-12-27
19621962-01-041962-12-25
19631963-01-101963-12-27
19641964-01-191964-12-29
19651965-01-261965-12-24
19661966-01-011966-12-31
19681968-01-011968-12-27
19691969-01-091969-12-29
19701970-01-111970-12-31
19711971-01-031971-12-23
19721972-01-011972-12-30
19731973-01-061973-12-31
19741974-01-071974-12-31
19751975-01-091975-12-29
19761976-01-021976-12-31
19771977-01-271977-12-30
19781978-01-081978-12-31
19791979-01-011979-12-23

Every Fixed Threshold

Fixed thresholds at Bellaco
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days292931971261
35 C (95 F): Days291361958110
40 C (104 F): Days242519575
90 F (32.2 C): Days291971979197
100 F (37.8 C): Days2857196035
110 F (43.3 C): Days2119601
20 C (68 F): Tropical nights (min292871973243
25 C (77 F): Days with min2837197522
10 mm (0.39 in): Days with 10 mm or more rain3057195852
25 mm (0.98 in): Days with 25 mm or more rain3028195721
50 mm (1.97 in): Days with 50 mm or more rain301219654
100 mm (3.94 in): Days with 100 mm or more rain8319553

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Bellaco 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).