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

Ahome Threshold Days by Year (MXN00025003)

12 fixed thresholds counted per year at Ahome (MXN00025003): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ahome Thresholds

  • Ahome: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1977 with 320.
  • Ahome: days with a maximum temperature at or above 35 C (95 F) in 40 years, most in 1997 with 210.
  • Ahome: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 1977 with 264.
  • Ahome: days with a maximum temperature at or above 100 F (37.8 C) in 40 years, most in 1997 with 148.
  • 12 fixed thresholds have at least one qualifying day at Ahome.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Ahome Days per year at Ahome with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 320 in 1977. 01002003004001963: 2551964: 2581965: 2771966: 2651967: 2641968: 2481969: 2261970: 2491971: 2561972: 2591973: 2501974: 2411975: 2421976: 2711977: 3201978: 3061979: 2841980: 3101981: 2821982: 2681983: 2621984: 2761985: 2541986: 2881987: 2391988: 2701989: 2691990: 2601991: 2461992: 2511993: 2451994: 2731997: 2901998: 2761999: 2972000: 2992001: 2582002: 2972003: 2822004: 2591963196719711975197919831987199119972001
Days per year at Ahome with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 320 in 1977.
Days at or above 30 C (86 F) per year at Ahome
YearDaysDecade average
1963255256.1
1964258256.1
1965277256.1
1966265256.1
1967264256.1
1968248256.1
1969226256.1
1970249267.8
1971256267.8
1972259267.8
1973250267.8
1974241267.8
1975242267.8
1976271267.8
1977320267.8
1978306267.8
1979284267.8
1980310271.8
1981282271.8
1982268271.8
1983262271.8
1984276271.8
1985254271.8
1986288271.8
1987239271.8
1988270271.8
1989269271.8
1990260267.3
1991246267.3
1992251267.3
1993245267.3
1994273267.3
1997290267.3
1998276267.3
1999297267.3
2000299279
2001258279
2002297279
2003282279
2004259279
First to last qualifying date each year at Ahome For each year, a bar from the first to the last day at Ahome meeting 30 C (86 F). 1963: 26 January 1963 to 30 December 19631964: 1 January 1964 to 28 December 19641965: 5 January 1965 to 30 December 19651966: 8 January 1966 to 16 December 19661967: 16 January 1967 to 1 December 19671968: 23 January 1968 to 25 November 19681969: 8 January 1969 to 26 December 19691970: 24 January 1970 to 9 December 19701971: 19 January 1971 to 27 December 19711972: 18 February 1972 to 26 December 19721973: 19 January 1973 to 30 December 19731974: 19 January 1974 to 25 November 19741975: 18 January 1975 to 12 December 19751976: 10 January 1976 to 27 December 19761977: 3 January 1977 to 31 December 19771978: 1 January 1978 to 27 December 19781979: 5 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 21 December 19811982: 18 January 1982 to 22 December 19821983: 5 January 1983 to 31 December 19831984: 1 January 1984 to 9 December 19841985: 16 February 1985 to 31 December 19851986: 1 January 1986 to 30 December 19861987: 2 January 1987 to 18 December 19871988: 5 January 1988 to 26 November 19881989: 21 January 1989 to 26 November 19891990: 27 January 1990 to 15 December 19901991: 5 February 1991 to 9 December 19911992: 29 January 1992 to 29 December 19921993: 2 January 1993 to 27 December 19931994: 4 January 1994 to 5 December 19941997: 2 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 1 January 1999 to 30 December 19992000: 14 January 2000 to 31 December 20002001: 5 January 2001 to 21 December 20012002: 8 January 2002 to 30 December 20022003: 3 January 2003 to 8 December 20032004: 10 January 2004 to 31 December 200419631968197319781983198819932000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ahome meeting 30 C (86 F).
First to last qualifying date each year at Ahome
YearFirst dateLast date
19631963-01-261963-12-30
19641964-01-011964-12-28
19651965-01-051965-12-30
19661966-01-081966-12-16
19671967-01-161967-12-01
19681968-01-231968-11-25
19691969-01-081969-12-26
19701970-01-241970-12-09
19711971-01-191971-12-27
19721972-02-181972-12-26
19731973-01-191973-12-30
19741974-01-191974-11-25
19751975-01-181975-12-12
19761976-01-101976-12-27
19771977-01-031977-12-31
19781978-01-011978-12-27
19791979-01-051979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-21
19821982-01-181982-12-22
19831983-01-051983-12-31
19841984-01-011984-12-09
19851985-02-161985-12-31
19861986-01-011986-12-30
19871987-01-021987-12-18
19881988-01-051988-11-26
19891989-01-211989-11-26
19901990-01-271990-12-15
19911991-02-051991-12-09
19921992-01-291992-12-29
19931993-01-021993-12-27
19941994-01-041994-12-05
19971997-01-021997-12-31
19981998-01-011998-12-31
19991999-01-011999-12-30
20002000-01-142000-12-31
20012001-01-052001-12-21
20022002-01-082002-12-30
20032003-01-032003-12-08
20042004-01-102004-12-31

Every Fixed Threshold

Fixed thresholds at Ahome
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days403201977259
35 C (95 F): Days402101997195
40 C (104 F): Days3692199775
90 F (32.2 C): Days402641977224
100 F (37.8 C): Days401481997138
110 F (43.3 C): Days4319971
20 C (68 F): Tropical nights (min401771992142
25 C (77 F): Days with min40100198036
10 mm (0.39 in): Days with 10 mm or more rain402019979
25 mm (0.98 in): Days with 25 mm or more rain391219972
50 mm (1.97 in): Days with 50 mm or more rain311019971
100 mm (3.94 in): Days with 100 mm or more rain9419971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Ahome 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).