San Pedro Tenayac Threshold Days by Year (MXN00015241)

9 fixed thresholds counted per year at San Pedro Tenayac (MXN00015241): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Pedro Tenayac Thresholds

San Pedro Tenayac: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 2003 with 45.
San Pedro Tenayac: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 2005 with 80.
San Pedro Tenayac: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1985 with 7.
San Pedro Tenayac: days with a maximum temperature at or above 90 F (32.2 C) in 12 years, most in 2005 with 24.
9 fixed thresholds have at least one qualifying day at San Pedro Tenayac.

Days at or above 30 C (86 F)

20 years with a qualifying day

Days per year at San Pedro Tenayac with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 2005.

Days at or above 30 C (86 F) per year at San Pedro Tenayac
Year	Days	Decade average
1979	27	27
1980	13	27.5
1981	6	27.5
1982	34	27.5
1983	34	27.5
1984	33	27.5
1985	28	27.5
1986	35	27.5
1987	18	27.5
1988	17	27.5
1989	57	27.5
1990	21	19.5
1992	6	19.5
1995	9	19.5
1997	5	19.5
1998	45	19.5
1999	31	19.5
2000	29	52.7
2003	49	52.7
2005	80	52.7

For each year, a bar from the first to the last day at San Pedro Tenayac meeting 30 C (86 F).

First to last qualifying date each year at San Pedro Tenayac
Year	First date	Last date
1979	1979-01-26	1979-06-23
1980	1980-04-01	1980-05-26
1981	1981-04-29	1981-05-19
1982	1982-03-25	1982-06-08
1983	1983-03-24	1983-06-02
1984	1984-04-05	1984-05-31
1985	1985-03-17	1985-06-30
1986	1986-03-04	1986-12-22
1987	1987-04-19	1987-05-28
1988	1988-04-01	1988-06-22
1989	1989-03-02	1989-09-02
1990	1990-03-12	1990-05-31
1992	1992-04-09	1992-05-14
1995	1995-04-11	1995-05-15
1997	1997-03-02	1997-05-25
1998	1998-03-28	1998-06-14
1999	1999-03-24	1999-07-18
2000	2000-02-29	2000-05-31
2003	2003-03-03	2003-05-31
2005	2005-02-09	2005-06-18

Every Fixed Threshold

Fixed thresholds at San Pedro Tenayac
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	20	80	2005	80
35 C (95 F): Days	2	1	1983	1
90 F (32.2 C): Days	12	24	2005	24
100 F (37.8 C): Days	1	1	2005	1
0 C (32 F): Frost days (min	6	2	2000	1
10 mm (0.39 in): Days with 10 mm or more rain	23	45	2003	38
25 mm (0.98 in): Days with 25 mm or more rain	15	7	1985	2
50 mm (1.97 in): Days with 50 mm or more rain	4	2	1985	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2003	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

Data for San Pedro Tenayac 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

San Pedro Tenayac Threshold Days by Year (MXN00015241)

Key Facts for San Pedro Tenayac Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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