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

Rosillo Threshold Days by Year (MXN00028081)

15 fixed thresholds counted per year at Rosillo (MXN00028081): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rosillo Thresholds

  • Rosillo: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1985 with 307.
  • Rosillo: days with a maximum temperature at or above 35 C (95 F) in 50 years, most in 2011 with 222.
  • Rosillo: days with a maximum temperature at or above 90 F (32.2 C) in 50 years, most in 1985 with 263.
  • Rosillo: days with a maximum temperature at or above 100 F (37.8 C) in 50 years, most in 2011 with 127.
  • 15 fixed thresholds have at least one qualifying day at Rosillo.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Rosillo Days per year at Rosillo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 307 in 1985. 01002003004001961: 2631962: 2671963: 2451964: 2471965: 2551966: 2101967: 2191968: 2181969: 2491970: 1961971: 2501972: 2071973: 2201974: 2191975: 2271976: 2001977: 2401978: 2371979: 2511981: 2571982: 2951983: 2851984: 2911985: 3071986: 3021987: 2681988: 2281989: 2351990: 2641991: 2531992: 2521993: 2971994: 2511995: 2491996: 2391997: 2321998: 2751999: 2672000: 2662001: 2302002: 2292003: 2602004: 2632005: 2432006: 2712007: 2342008: 2912009: 2792011: 3042012: 2881961196619711976198219871992199720022007
Days per year at Rosillo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 307 in 1985.
Days at or above 30 C (86 F) per year at Rosillo
YearDaysDecade average
1961263241.4
1962267241.4
1963245241.4
1964247241.4
1965255241.4
1966210241.4
1967219241.4
1968218241.4
1969249241.4
1970196224.7
1971250224.7
1972207224.7
1973220224.7
1974219224.7
1975227224.7
1976200224.7
1977240224.7
1978237224.7
1979251224.7
1981257274.2
1982295274.2
1983285274.2
1984291274.2
1985307274.2
1986302274.2
1987268274.2
1988228274.2
1989235274.2
1990264257.9
1991253257.9
1992252257.9
1993297257.9
1994251257.9
1995249257.9
1996239257.9
1997232257.9
1998275257.9
1999267257.9
2000266256.6
2001230256.6
2002229256.6
2003260256.6
2004263256.6
2005243256.6
2006271256.6
2007234256.6
2008291256.6
2009279256.6
2011304296
2012288296
First to last qualifying date each year at Rosillo For each year, a bar from the first to the last day at Rosillo meeting 30 C (86 F). 1961: 7 January 1961 to 31 December 19611962: 4 January 1962 to 21 December 19621963: 10 January 1963 to 11 December 19631964: 8 January 1964 to 26 December 19641965: 1 January 1965 to 18 December 19651966: 9 February 1966 to 9 December 19661967: 26 January 1967 to 9 December 19671968: 22 February 1968 to 27 November 19681969: 7 January 1969 to 28 December 19691970: 11 January 1970 to 12 November 19701971: 3 January 1971 to 31 December 19711972: 2 January 1972 to 30 December 19721973: 18 January 1973 to 30 December 19731974: 19 January 1974 to 6 December 19741975: 8 January 1975 to 6 December 19751976: 2 January 1976 to 30 December 19761977: 28 January 1977 to 30 December 19771978: 16 January 1978 to 31 December 19781979: 12 January 1979 to 23 December 19791981: 28 January 1981 to 31 December 19811982: 1 January 1982 to 24 December 19821983: 25 January 1983 to 28 December 19831984: 1 January 1984 to 29 December 19841985: 8 January 1985 to 31 December 19851986: 1 January 1986 to 25 December 19861987: 2 January 1987 to 25 December 19871988: 18 January 1988 to 27 December 19881989: 2 January 1989 to 29 November 19891990: 5 January 1990 to 30 December 19901991: 6 January 1991 to 12 December 19911992: 5 January 1992 to 31 December 19921993: 3 January 1993 to 28 December 19931994: 5 February 1994 to 15 December 19941995: 12 January 1995 to 17 December 19951996: 1 January 1996 to 15 December 19961997: 3 January 1997 to 9 December 19971998: 6 January 1998 to 30 December 19981999: 13 January 1999 to 20 December 19992000: 4 January 2000 to 17 December 20002001: 13 February 2001 to 12 December 20012002: 5 January 2002 to 30 November 20022003: 2 February 2003 to 9 December 20032004: 1 January 2004 to 22 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 30 November 20062007: 5 January 2007 to 31 December 20072008: 7 January 2008 to 31 December 20082009: 1 January 2009 to 23 December 20092011: 1 January 2011 to 31 December 20112012: 9 January 2012 to 28 December 201219611968197519831990199720042012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rosillo meeting 30 C (86 F).
First to last qualifying date each year at Rosillo
YearFirst dateLast date
19611961-01-071961-12-31
19621962-01-041962-12-21
19631963-01-101963-12-11
19641964-01-081964-12-26
19651965-01-011965-12-18
19661966-02-091966-12-09
19671967-01-261967-12-09
19681968-02-221968-11-27
19691969-01-071969-12-28
19701970-01-111970-11-12
19711971-01-031971-12-31
19721972-01-021972-12-30
19731973-01-181973-12-30
19741974-01-191974-12-06
19751975-01-081975-12-06
19761976-01-021976-12-30
19771977-01-281977-12-30
19781978-01-161978-12-31
19791979-01-121979-12-23
19811981-01-281981-12-31
19821982-01-011982-12-24
19831983-01-251983-12-28
19841984-01-011984-12-29
19851985-01-081985-12-31
19861986-01-011986-12-25
19871987-01-021987-12-25
19881988-01-181988-12-27
19891989-01-021989-11-29
19901990-01-051990-12-30
19911991-01-061991-12-12
19921992-01-051992-12-31
19931993-01-031993-12-28
19941994-02-051994-12-15
19951995-01-121995-12-17
19961996-01-011996-12-15
19971997-01-031997-12-09
19981998-01-061998-12-30
19991999-01-131999-12-20
20002000-01-042000-12-17
20012001-02-132001-12-12
20022002-01-052002-11-30
20032003-02-022003-12-09
20042004-01-012004-12-22
20052005-01-012005-12-31
20062006-01-012006-11-30
20072007-01-052007-12-31
20082008-01-072008-12-31
20092009-01-012009-12-23
20112011-01-012011-12-31
20122012-01-092012-12-28

Every Fixed Threshold

Fixed thresholds at Rosillo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days503071985288
35 C (95 F): Days502222011161
40 C (104 F): Days4756196126
45 C (113 F): Days15419613
90 F (32.2 C): Days502631985209
100 F (37.8 C): Days50127201158
110 F (43.3 C): Days211319614
0 C (32 F): Frost days (min14419891
20 C (68 F): Tropical nights (min482491985106
25 C (77 F): Days with min4496198533
10 mm (0.39 in): Days with 10 mm or more rain4932200827
25 mm (0.98 in): Days with 25 mm or more rain492020089
50 mm (1.97 in): Days with 50 mm or more rain46720082
100 mm (3.94 in): Days with 100 mm or more rain17219731
200 mm (7.87 in): Days with 200 mm or more rain2119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Rosillo 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).