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

El Rosario Threshold Days by Year (MXN00014350)

13 fixed thresholds counted per year at El Rosario (MXN00014350): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for El Rosario Thresholds

  • El Rosario: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 2002 with 36.
  • El Rosario: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 2002 with 16.
  • El Rosario: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2011 with 360.
  • El Rosario: days with a maximum temperature at or above 35 C (95 F) in 29 years, most in 2011 with 236.
  • 13 fixed thresholds have at least one qualifying day at El Rosario.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at El Rosario Days per year at El Rosario with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 360 in 2011. 01002003004001981: 3311982: 3251983: 3121984: 3191985: 2991986: 3221987: 3351988: 3351989: 3231990: 3071991: 3301993: 3251994: 3391995: 3291996: 3341997: 3301998: 3511999: 3542000: 3262001: 3442002: 3392003: 3522004: 3342005: 3482006: 3502007: 3472008: 3542009: 3522011: 3601981198419871990199419972000200320062009
Days per year at El Rosario with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 360 in 2011.
Days at or above 30 C (86 F) per year at El Rosario
YearDaysDecade average
1981331322.3
1982325322.3
1983312322.3
1984319322.3
1985299322.3
1986322322.3
1987335322.3
1988335322.3
1989323322.3
1990307333.2
1991330333.2
1993325333.2
1994339333.2
1995329333.2
1996334333.2
1997330333.2
1998351333.2
1999354333.2
2000326344.6
2001344344.6
2002339344.6
2003352344.6
2004334344.6
2005348344.6
2006350344.6
2007347344.6
2008354344.6
2009352344.6
2011360360
First to last qualifying date each year at El Rosario For each year, a bar from the first to the last day at El Rosario meeting 30 C (86 F). 1981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 19 December 19821983: 6 January 1983 to 31 December 19831984: 1 January 1984 to 29 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 29 December 19861987: 3 January 1987 to 30 December 19871988: 1 January 1988 to 31 December 19881989: 1 January 1989 to 30 December 19891990: 6 January 1990 to 31 December 19901991: 1 January 1991 to 29 December 19911993: 2 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941995: 3 January 1995 to 25 December 19951996: 3 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 1 January 1999 to 31 December 19992000: 1 January 2000 to 30 November 20002001: 2 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 30 December 20032004: 5 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092011: 1 January 2011 to 31 December 201119811985198919941998200220062011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at El Rosario meeting 30 C (86 F).
First to last qualifying date each year at El Rosario
YearFirst dateLast date
19811981-01-011981-12-31
19821982-01-011982-12-19
19831983-01-061983-12-31
19841984-01-011984-12-29
19851985-01-011985-12-31
19861986-01-011986-12-29
19871987-01-031987-12-30
19881988-01-011988-12-31
19891989-01-011989-12-30
19901990-01-061990-12-31
19911991-01-011991-12-29
19931993-01-021993-12-31
19941994-01-011994-12-31
19951995-01-031995-12-25
19961996-01-031996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-31
19991999-01-011999-12-31
20002000-01-012000-11-30
20012001-01-022001-12-31
20022002-01-012002-12-31
20032003-01-012003-12-30
20042004-01-052004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20112011-01-012011-12-31

Every Fixed Threshold

Fixed thresholds at El Rosario
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days293602011360
35 C (95 F): Days292362011236
40 C (104 F): Days2965201165
45 C (113 F): Days1119961
90 F (32.2 C): Days293322011332
100 F (37.8 C): Days291042011104
110 F (43.3 C): Days2219962
120 F (48.9 C): Days1119961
20 C (68 F): Tropical nights (min28130199874
10 mm (0.39 in): Days with 10 mm or more rain3036200217
25 mm (0.98 in): Days with 25 mm or more rain301620023
50 mm (1.97 in): Days with 50 mm or more rain25419971
100 mm (3.94 in): Days with 100 mm or more rain2119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for El Rosario 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).