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

Merida Santiago Threshold Days by Year (MXN00031079)

13 fixed thresholds counted per year at Merida Santiago (MXN00031079): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Merida Santiago Thresholds

  • Merida Santiago: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 1985 with 340.
  • Merida Santiago: days with a maximum temperature at or above 35 C (95 F) in 16 years, most in 2009 with 221.
  • Merida Santiago: days with a maximum temperature at or above 90 F (32.2 C) in 16 years, most in 1985 with 308.
  • Merida Santiago: days with a maximum temperature at or above 100 F (37.8 C) in 16 years, most in 2009 with 84.
  • 13 fixed thresholds have at least one qualifying day at Merida Santiago.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Merida Santiago Days per year at Merida Santiago with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 340 in 1985. 01002003004001983: 2881984: 3021985: 3401986: 3221987: 3042000: 3182002: 3062003: 3092004: 3222005: 3202006: 3112007: 3232008: 3362009: 3282010: 2912011: 31819831985198720022004200620082010
Days per year at Merida Santiago with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 340 in 1985.
Days at or above 30 C (86 F) per year at Merida Santiago
YearDaysDecade average
1983288311.2
1984302311.2
1985340311.2
1986322311.2
1987304311.2
2000318319.2
2002306319.2
2003309319.2
2004322319.2
2005320319.2
2006311319.2
2007323319.2
2008336319.2
2009328319.2
2010291304.5
2011318304.5
First to last qualifying date each year at Merida Santiago For each year, a bar from the first to the last day at Merida Santiago meeting 30 C (86 F). 1983: 1 January 1983 to 28 December 19831984: 9 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 27 December 19861987: 2 January 1987 to 31 December 19872000: 2 January 2000 to 27 December 20002002: 5 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 3 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 201119831985198720022004200620082010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Merida Santiago meeting 30 C (86 F).
First to last qualifying date each year at Merida Santiago
YearFirst dateLast date
19831983-01-011983-12-28
19841984-01-091984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-27
19871987-01-021987-12-31
20002000-01-022000-12-27
20022002-01-052002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-032007-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-012011-12-31

Every Fixed Threshold

Fixed thresholds at Merida Santiago
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days163401985318
35 C (95 F): Days162212009182
40 C (104 F): Days1533201133
90 F (32.2 C): Days163081985263
100 F (37.8 C): Days1684200975
110 F (43.3 C): Days1120091
20 C (68 F): Tropical nights (min162972002276
25 C (77 F): Days with min1636198336
10 mm (0.39 in): Days with 10 mm or more rain1637200230
25 mm (0.98 in): Days with 25 mm or more rain1619200210
50 mm (1.97 in): Days with 50 mm or more rain16720104
100 mm (3.94 in): Days with 100 mm or more rain7220021
200 mm (7.87 in): Days with 200 mm or more rain1120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for Merida Santiago 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).