San Juan de Guadalupe (Smn) Threshold Days by Year (MXN00010067)

14 fixed thresholds counted per year at San Juan de Guadalupe (Smn) (MXN00010067): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Juan de Guadalupe (Smn) Thresholds

San Juan de Guadalupe (Smn): days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1935 with 33.
San Juan de Guadalupe (Smn): days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1935 with 10.
San Juan de Guadalupe (Smn): days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 1925 with 292.
San Juan de Guadalupe (Smn): days with a maximum temperature at or above 35 C (95 F) in 9 years, most in 1924 with 166.
14 fixed thresholds have at least one qualifying day at San Juan de Guadalupe (Smn).

Days at or above 30 C (86 F)

13 years with a qualifying day

Days per year at San Juan de Guadalupe (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 292 in 1925.

Days at or above 30 C (86 F) per year at San Juan de Guadalupe (Smn)
Year	Days	Decade average
1924	271	279
1925	292	279
1926	272	279
1928	272	279
1929	288	279
1930	248	200.9
1931	204	200.9
1932	217	200.9
1933	212	200.9
1934	201	200.9
1935	154	200.9
1936	170	200.9
1971	228	228

For each year, a bar from the first to the last day at San Juan de Guadalupe (Smn) meeting 30 C (86 F).

First to last qualifying date each year at San Juan de Guadalupe (Smn)
Year	First date	Last date
1924	1924-01-01	1924-12-31
1925	1925-01-02	1925-12-05
1926	1926-01-19	1926-11-29
1928	1928-01-01	1928-12-31
1929	1929-01-01	1929-12-31
1930	1930-01-07	1930-12-29
1931	1931-01-02	1931-12-27
1932	1932-01-05	1932-12-30
1933	1933-01-07	1933-12-27
1934	1934-01-07	1934-12-29
1935	1935-01-03	1935-12-30
1936	1936-01-01	1936-12-28
1971	1971-01-10	1971-12-13

Every Fixed Threshold

Fixed thresholds at San Juan de Guadalupe (Smn)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	13	292	1925	228
35 C (95 F): Days	9	166	1924	64
40 C (104 F): Days	3	107	1924	1
45 C (113 F): Days	2	13	1924	1
90 F (32.2 C): Days	9	182	1924	137
100 F (37.8 C): Days	6	123	1924	24
110 F (43.3 C): Days	2	16	1924	1
120 F (48.9 C): Days	1	1	1924	1
0 C (32 F): Frost days (min	2	8	1971	8
20 C (68 F): Tropical nights (min	9	144	1924	5
25 C (77 F): Days with min	2	18	1924	18
10 mm (0.39 in): Days with 10 mm or more rain	37	33	1935	9
25 mm (0.98 in): Days with 25 mm or more rain	16	10	1935	4
50 mm (1.97 in): Days with 50 mm or more rain	4	2	1934	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

Data for San Juan de Guadalupe (Smn) 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 Juan de Guadalupe (Smn) Threshold Days by Year (MXN00010067)

Key Facts for San Juan de Guadalupe (Smn) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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