Arizpe Threshold Days by Year (MXN00026005)

15 fixed thresholds counted per year at Arizpe (MXN00026005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arizpe Thresholds

Arizpe: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1983 with 28.
Arizpe: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1978 with 10.
Arizpe: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 1963 with 229.
Arizpe: days with a maximum temperature at or above 35 C (95 F) in 32 years, most in 1980 with 139.
15 fixed thresholds have at least one qualifying day at Arizpe.

Days at or above 30 C (86 F)

32 years with a qualifying day

Days per year at Arizpe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 1963.

Days at or above 30 C (86 F) per year at Arizpe
Year	Days	Decade average
1962	214	196.6
1963	229	196.6
1964	178	196.6
1965	205	196.6
1966	199	196.6
1967	198	196.6
1968	164	196.6
1969	186	196.6
1970	173	182.1
1971	216	182.1
1973	142	182.1
1974	219	182.1
1975	173	182.1
1976	182	182.1
1977	170	182.1
1978	184	182.1
1979	180	182.1
1980	204	189
1981	204	189
1982	171	189
1983	182	189
1984	154	189
1986	219	189
2001	203	190.5
2002	173	190.5
2003	198	190.5
2004	184	190.5
2005	199	190.5
2008	186	190.5
2010	150	169
2011	176	169
2012	181	169

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

First to last qualifying date each year at Arizpe
Year	First date	Last date
1962	1962-02-10	1962-11-21
1963	1963-02-01	1963-10-31
1964	1964-04-03	1964-11-10
1965	1965-02-05	1965-11-05
1966	1966-03-21	1966-12-02
1967	1967-03-16	1967-11-18
1968	1968-02-25	1968-11-13
1969	1969-03-19	1969-10-18
1970	1970-04-11	1970-11-27
1971	1971-01-18	1971-10-22
1973	1973-04-25	1973-10-16
1974	1974-03-16	1974-10-23
1975	1975-03-05	1975-11-14
1976	1976-02-28	1976-10-11
1977	1977-02-19	1977-11-27
1978	1978-03-18	1978-11-08
1979	1979-04-05	1979-10-28
1980	1980-02-03	1980-11-06
1981	1981-03-25	1981-11-20
1982	1982-04-12	1982-11-16
1983	1983-02-28	1983-10-15
1984	1984-04-12	1984-10-10
1986	1986-01-23	1986-11-22
2001	2001-01-02	2001-12-23
2002	2002-02-14	2002-11-22
2003	2003-01-30	2003-12-01
2004	2004-01-06	2004-10-26
2005	2005-01-10	2005-12-20
2008	2008-02-11	2008-12-02
2010	2010-03-29	2010-12-06
2011	2011-03-10	2011-10-31
2012	2012-03-04	2012-11-07

Every Fixed Threshold

Fixed thresholds at Arizpe
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	32	229	1963	181
35 C (95 F): Days	32	139	1980	74
40 C (104 F): Days	32	50	2005	5
45 C (113 F): Days	10	4	1980	3
90 F (32.2 C): Days	32	168	1962	106
100 F (37.8 C): Days	32	80	2003	26
110 F (43.3 C): Days	20	14	2003	4
0 C (32 F): Ice days (max	1	1	2011	1
0 C (32 F): Frost days (min	23	83	2010	57
-10 C (14 F): Days with min	1	1	2011	1
20 C (68 F): Tropical nights (min	31	82	1963	3
25 C (77 F): Days with min	11	8	1963	4
10 mm (0.39 in): Days with 10 mm or more rain	36	28	1983	11
25 mm (0.98 in): Days with 25 mm or more rain	35	10	1978	2
50 mm (1.97 in): Days with 50 mm or more rain	12	2	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

Data for Arizpe 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).

Arizpe Threshold Days by Year (MXN00026005)

Key Facts for Arizpe Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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