Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Zacualpan. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Zacualpan, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
35.0 C (95.0 F)
13.3 C (55.9 F)
n/a
n/a
Feb
35.6 C (96.1 F)
15.6 C (60.1 F)
n/a
n/a
Mar
35.0 C (95.0 F)
13.3 C (55.9 F)
n/a
n/a
Apr
36.7 C (98.1 F)
17.8 C (64.0 F)
n/a
n/a
May
35.6 C (96.1 F)
15.0 C (59.0 F)
n/a
n/a
Jun
35.6 C (96.1 F)
18.9 C (66.0 F)
n/a
n/a
Jul
35.6 C (96.1 F)
20.0 C (68.0 F)
n/a
n/a
Aug
35.6 C (96.1 F)
20.0 C (68.0 F)
n/a
n/a
Sep
35.0 C (95.0 F)
18.3 C (64.9 F)
n/a
n/a
Oct
35.6 C (96.1 F)
20.0 C (68.0 F)
n/a
n/a
Nov
35.0 C (95.0 F)
16.7 C (62.1 F)
n/a
n/a
Dec
35.0 C (95.0 F)
16.7 C (62.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Zacualpan still stand. 1979 holds the most, with 191.
Standing records at Zacualpan by the year they were set
Year set
Standing records
1979
191
1980
143
1981
149
1982
131
1983
78
1984
49
1985
44
1986
70
1987
29
1988
10
2000
9
2001
62
2003
72
2004
92
2005
28
2006
14
2007
41
2008
52
2009
76
2010
51
2011
29
2012
44
Wettest Day of Each Month
Sep: 266.7 mm (10.5 in)
The wettest day on record for each calendar month at Zacualpan. The most was 266.7 mm (10.5 in) on 13 September 1984.
Record daily precipitation for each month at Zacualpan
Month
Record daily precipitation (mm)
Date
Jan
109.2 mm (4.3 in)
23 January 1980
Feb
59.9 mm (2.4 in)
3 February 2010
Mar
0.0 mm (0.00 in)
1 March 1979
Apr
0.0 mm (0.00 in)
1 April 1979
May
39.9 mm (1.6 in)
31 May 2004
Jun
169.9 mm (6.7 in)
27 June 1993
Jul
117.3 mm (4.6 in)
12 July 1984
Aug
130.8 mm (5.1 in)
16 August 1988
Sep
266.7 mm (10.5 in)
13 September 1984
Oct
144.8 mm (5.7 in)
18 October 1998
Nov
59.9 mm (2.4 in)
16 November 2006
Dec
21.8 mm (0.9 in)
14 December 1992
Period of Record Coverage
1979 to 2012
Complete yearUnder 90 percent of days
22 years of record at Zacualpan, 1979 to 2012. 12 years have data for under 90 percent of days and are left out of rankings: 1980, 1982, 1987, 1988, 2000, 2003, 2004, 2005 and others.
Yearly extremes at Zacualpan: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
36.7 C (98.1 F)
1980
35.0 C (95.0 F)
22
Coldest night (TNn)
13.3 C (55.9 F)
1981
17.8 C (64.0 F)
22
Wettest day (Rx1day)
266.7 mm (10.5 in)
1984
97.8 mm (3.9 in)
34
Wettest five days (Rx5day)
530.7 mm (20.9 in)
1984
182.3 mm (7.2 in)
34
Longest dry spell (CDD)
170 days
2005
133 days
34
Hottest day (TXx)
The hottest day of the year at Zacualpan, 1979 to 2012. The record is 36.7 C (98.1 F) in 1980, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Zacualpan by year
Year
Hottest day (TXx)
1979
35.6 C (96.1 F)
1980
36.7 C (98.1 F)
1981
35.0 C (95.0 F)
1982
35.6 C (96.1 F)
1983
34.4 C (93.9 F)
1984
35.0 C (95.0 F)
1985
35.0 C (95.0 F)
1986
33.9 C (93.0 F)
1987
35.0 C (95.0 F)
1988
31.1 C (88.0 F)
1989
n/a
1990
n/a
1991
n/a
1992
n/a
1993
n/a
1994
n/a
1995
n/a
1996
n/a
1997
n/a
1998
n/a
1999
n/a
2000
33.3 C (91.9 F)
2001
34.4 C (93.9 F)
2002
n/a
2003
35.6 C (96.1 F)
2004
35.0 C (95.0 F)
2005
35.0 C (95.0 F)
2006
33.9 C (93.0 F)
2007
35.0 C (95.0 F)
2008
35.0 C (95.0 F)
2009
35.6 C (96.1 F)
2010
35.6 C (96.1 F)
2011
35.6 C (96.1 F)
2012
35.6 C (96.1 F)
Coldest night (TNn)
The coldest night of the year at Zacualpan, 1979 to 2012. The record is 13.3 C (55.9 F) in 1981, marked on the chart; the median year is 17.8 C (64.0 F).
Coldest night (TNn) at Zacualpan by year
Year
Coldest night (TNn)
1979
15.6 C (60.1 F)
1980
15.6 C (60.1 F)
1981
13.3 C (55.9 F)
1982
16.7 C (62.1 F)
1983
20.0 C (68.0 F)
1984
16.7 C (62.1 F)
1985
17.8 C (64.0 F)
1986
18.9 C (66.0 F)
1987
18.9 C (66.0 F)
1988
16.7 C (62.1 F)
1989
n/a
1990
n/a
1991
n/a
1992
n/a
1993
n/a
1994
n/a
1995
n/a
1996
n/a
1997
n/a
1998
n/a
1999
n/a
2000
20.0 C (68.0 F)
2001
17.8 C (64.0 F)
2002
n/a
2003
15.6 C (60.1 F)
2004
17.8 C (64.0 F)
2005
17.8 C (64.0 F)
2006
16.7 C (62.1 F)
2007
18.9 C (66.0 F)
2008
15.6 C (60.1 F)
2009
18.9 C (66.0 F)
2010
18.9 C (66.0 F)
2011
16.7 C (62.1 F)
2012
17.8 C (64.0 F)
Wettest day (Rx1day)
The wettest day of the year at Zacualpan, 1979 to 2012. The record is 266.7 mm (10.5 in) in 1984, marked on the chart; the median year is 97.8 mm (3.9 in).
Wettest day (Rx1day) at Zacualpan by year
Year
Wettest day (Rx1day)
1979
83.8 mm (3.3 in)
1980
109.2 mm (4.3 in)
1981
118.4 mm (4.7 in)
1982
80.8 mm (3.2 in)
1983
68.8 mm (2.7 in)
1984
266.7 mm (10.5 in)
1985
71.9 mm (2.8 in)
1986
81.8 mm (3.2 in)
1987
27.9 mm (1.1 in)
1988
130.8 mm (5.1 in)
1989
131.3 mm (5.2 in)
1990
116.3 mm (4.6 in)
1991
87.4 mm (3.4 in)
1992
169.4 mm (6.7 in)
1993
169.9 mm (6.7 in)
1994
57.4 mm (2.3 in)
1995
68.3 mm (2.7 in)
1996
75.4 mm (3.0 in)
1997
99.8 mm (3.9 in)
1998
144.8 mm (5.7 in)
1999
114.8 mm (4.5 in)
2000
79.8 mm (3.1 in)
2001
59.9 mm (2.4 in)
2002
32.8 mm (1.3 in)
2003
64.8 mm (2.6 in)
2004
91.9 mm (3.6 in)
2005
99.8 mm (3.9 in)
2006
95.8 mm (3.8 in)
2007
99.8 mm (3.9 in)
2008
99.8 mm (3.9 in)
2009
99.8 mm (3.9 in)
2010
99.8 mm (3.9 in)
2011
84.8 mm (3.3 in)
2012
99.8 mm (3.9 in)
Wettest five days (Rx5day)
The wettest five days of the year at Zacualpan, 1979 to 2012. The record is 530.7 mm (20.9 in) in 1984, marked on the chart; the median year is 182.3 mm (7.2 in).
Wettest five days (Rx5day) at Zacualpan by year
Year
Wettest five days (Rx5day)
1979
124.5 mm (4.9 in)
1980
196.6 mm (7.7 in)
1981
322.9 mm (12.7 in)
1982
126.3 mm (5.0 in)
1983
166.4 mm (6.6 in)
1984
530.7 mm (20.9 in)
1985
114.1 mm (4.5 in)
1986
81.8 mm (3.2 in)
1987
69.1 mm (2.7 in)
1988
250.7 mm (9.9 in)
1989
356.3 mm (14.0 in)
1990
179.8 mm (7.1 in)
1991
220.7 mm (8.7 in)
1992
265.9 mm (10.5 in)
1993
385.7 mm (15.2 in)
1994
151.0 mm (5.9 in)
1995
114.1 mm (4.5 in)
1996
181.9 mm (7.2 in)
1997
182.7 mm (7.2 in)
1998
169.8 mm (6.7 in)
1999
285.2 mm (11.2 in)
2000
239.3 mm (9.4 in)
2001
139.4 mm (5.5 in)
2002
42.7 mm (1.7 in)
2003
112.3 mm (4.4 in)
2004
115.3 mm (4.5 in)
2005
187.2 mm (7.4 in)
2006
234.2 mm (9.2 in)
2007
194.6 mm (7.7 in)
2008
165.6 mm (6.5 in)
2009
159.7 mm (6.3 in)
2010
193.1 mm (7.6 in)
2011
210.1 mm (8.3 in)
2012
227.6 mm (9.0 in)
Longest dry spell (CDD)
The longest dry spell of the year at Zacualpan, 1979 to 2012. The record is 170 days in 2005, marked on the chart; the median year is 133 days.
Longest dry spell (CDD) at Zacualpan by year
Year
Longest dry spell (CDD)
1979
136 days
1980
126 days
1981
133 days
1982
52 days
1983
86 days
1984
132 days
1985
161 days
1986
121 days
1987
66 days
1988
166 days
1989
140 days
1990
125 days
1991
158 days
1992
109 days
1993
130 days
1994
124 days
1995
138 days
1996
146 days
1997
149 days
1998
146 days
1999
142 days
2000
77 days
2001
150 days
2002
128 days
2003
121 days
2004
124 days
2005
170 days
2006
133 days
2007
146 days
2008
140 days
2009
113 days
2010
111 days
2011
155 days
2012
161 days
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Download the Data
Data for Zacualpan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Zacualpan 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.