Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Sombreretillo. 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 Sombreretillo, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
39.4 C (102.9 F)
-5.0 C (23.0 F)
n/a
n/a
Feb
38.9 C (102.0 F)
-3.3 C (26.1 F)
n/a
n/a
Mar
40.6 C (105.1 F)
-1.1 C (30.0 F)
n/a
n/a
Apr
46.7 C (116.1 F)
1.7 C (35.1 F)
n/a
n/a
May
43.9 C (111.0 F)
2.8 C (37.0 F)
n/a
n/a
Jun
42.8 C (109.0 F)
8.9 C (48.0 F)
n/a
n/a
Jul
45.6 C (114.1 F)
10.0 C (50.0 F)
n/a
n/a
Aug
45.6 C (114.1 F)
8.9 C (48.0 F)
n/a
n/a
Sep
42.2 C (108.0 F)
7.8 C (46.0 F)
n/a
n/a
Oct
40.0 C (104.0 F)
1.1 C (34.0 F)
n/a
n/a
Nov
36.7 C (98.1 F)
0.0 C (32.0 F)
n/a
n/a
Dec
37.8 C (100.0 F)
-7.2 C (19.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Sombreretillo still stand. 1989 holds the most, with 116.
Standing records at Sombreretillo by the year they were set
Year set
Standing records
1967
1
1978
9
1979
20
1980
27
1981
14
1982
15
1983
109
1984
16
1985
84
1986
16
1987
32
1988
70
1989
116
1990
110
1991
67
1992
49
1993
28
1994
28
1995
46
1996
78
1997
42
1998
57
1999
33
2000
71
2001
24
2004
99
2005
40
2008
70
2009
70
2010
23
Wettest Day of Each Month
Sep: 319.8 mm (12.6 in)
The wettest day on record for each calendar month at Sombreretillo. The most was 319.8 mm (12.6 in) on 20 September 1967.
Record daily precipitation for each month at Sombreretillo
Month
Record daily precipitation (mm)
Date
Jan
54.9 mm (2.2 in)
21 January 1994
Feb
57.9 mm (2.3 in)
3 February 1992
Mar
96.0 mm (3.8 in)
10 March 1997
Apr
91.9 mm (3.6 in)
10 April 1975
May
159.8 mm (6.3 in)
16 May 1972
Jun
233.2 mm (9.2 in)
2 June 1986
Jul
100.1 mm (3.9 in)
24 July 1989
Aug
206.8 mm (8.1 in)
18 August 1967
Sep
319.8 mm (12.6 in)
20 September 1967
Oct
179.8 mm (7.1 in)
12 October 1973
Nov
63.5 mm (2.5 in)
12 November 1986
Dec
35.8 mm (1.4 in)
5 December 1973
Period of Record Coverage
1967 to 2010
Complete yearUnder 90 percent of days
30 years of record at Sombreretillo, 1967 to 2010. 16 years have data for under 90 percent of days and are left out of rankings: 1967, 1978, 1979, 1980, 1981, 1982, 1983, 1984 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 12 complete years at Sombreretillo, 1985 to 2009. Blue stripes are years cooler than the station's own mean of 21.3 C (70.4 F); red stripes are warmer. The coolest year was 1985, at 18.0 C (64.3 F), and the warmest was 1998, at 23.4 C (74.1 F). The strongest colour marks a difference of 3.4 C (6.1 F).
Annual mean temperature at Sombreretillo as warming stripes, 1985 to 2009
Year
Annual mean temperature
Difference from the station mean
1985
18.0 C
-3.36 C
1987
19.2 C
-2.13 C
1989
19.0 C
-2.34 C
1993
21.3 C
-0.07 C
1994
21.7 C
+0.38 C
1995
22.0 C
+0.63 C
1997
21.9 C
+0.56 C
1998
23.4 C
+2.08 C
1999
23.2 C
+1.88 C
2000
23.1 C
+1.80 C
2008
21.2 C
-0.17 C
2009
22.1 C
+0.79 C
This station does not have enough complete years (30 are needed) to fit a temperature trend.
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1967 to 2010
Yearly extremes at Sombreretillo: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
46.7 C (116.1 F)
2005
40.6 C (105.1 F)
30
Coldest night (TNn)
-7.2 C (19.0 F)
1983
0.0 C (32.0 F)
30
Wettest day (Rx1day)
319.8 mm (12.6 in)
1967
79.8 mm (3.1 in)
40
Wettest five days (Rx5day)
825.3 mm (32.5 in)
1967
133.7 mm (5.3 in)
40
Longest dry spell (CDD)
120 days
2004
45 days
40
Hottest day (TXx)
The hottest day of the year at Sombreretillo, 1967 to 2010. The record is 46.7 C (116.1 F) in 2005, marked on the chart; the median year is 40.6 C (105.1 F).
Hottest day (TXx) at Sombreretillo by year
Year
Hottest day (TXx)
1967
41.7 C (107.1 F)
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
1974
n/a
1975
n/a
1976
n/a
1977
n/a
1978
31.7 C (89.1 F)
1979
40.6 C (105.1 F)
1980
40.0 C (104.0 F)
1981
31.7 C (89.1 F)
1982
42.8 C (109.0 F)
1983
43.9 C (111.0 F)
1984
42.2 C (108.0 F)
1985
37.2 C (99.0 F)
1986
39.4 C (102.9 F)
1987
35.0 C (95.0 F)
1988
33.9 C (93.0 F)
1989
37.8 C (100.0 F)
1990
35.6 C (96.1 F)
1991
38.3 C (100.9 F)
1992
36.1 C (97.0 F)
1993
38.9 C (102.0 F)
1994
40.0 C (104.0 F)
1995
43.3 C (109.9 F)
1996
40.0 C (104.0 F)
1997
43.3 C (109.9 F)
1998
42.8 C (109.0 F)
1999
40.6 C (105.1 F)
2000
43.3 C (109.9 F)
2001
43.3 C (109.9 F)
2004
45.0 C (113.0 F)
2005
46.7 C (116.1 F)
2008
42.8 C (109.0 F)
2009
42.8 C (109.0 F)
2010
42.8 C (109.0 F)
Coldest night (TNn)
The coldest night of the year at Sombreretillo, 1967 to 2010. The record is -7.2 C (19.0 F) in 1983, marked on the chart; the median year is 0.0 C (32.0 F).
Coldest night (TNn) at Sombreretillo by year
Year
Coldest night (TNn)
1967
20.0 C (68.0 F)
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
1974
n/a
1975
n/a
1976
n/a
1977
n/a
1978
-6.1 C (21.0 F)
1979
-3.3 C (26.1 F)
1980
0.0 C (32.0 F)
1981
-2.2 C (28.0 F)
1982
1.7 C (35.1 F)
1983
-7.2 C (19.0 F)
1984
-1.1 C (30.0 F)
1985
-3.9 C (25.0 F)
1986
2.2 C (36.0 F)
1987
-5.0 C (23.0 F)
1988
0.6 C (33.1 F)
1989
-6.1 C (21.0 F)
1990
5.6 C (42.1 F)
1991
5.0 C (41.0 F)
1992
0.0 C (32.0 F)
1993
0.6 C (33.1 F)
1994
-3.3 C (26.1 F)
1995
2.2 C (36.0 F)
1996
-6.1 C (21.0 F)
1997
-3.3 C (26.1 F)
1998
2.8 C (37.0 F)
1999
1.7 C (35.1 F)
2000
0.6 C (33.1 F)
2001
0.6 C (33.1 F)
2004
0.0 C (32.0 F)
2005
0.6 C (33.1 F)
2008
-5.0 C (23.0 F)
2009
-3.3 C (26.1 F)
2010
-4.4 C (24.1 F)
Wettest day (Rx1day)
The wettest day of the year at Sombreretillo, 1967 to 2010. The record is 319.8 mm (12.6 in) in 1967, marked on the chart; the median year is 79.8 mm (3.1 in).
Wettest day (Rx1day) at Sombreretillo by year
Year
Wettest day (Rx1day)
1967
319.8 mm (12.6 in)
1968
79.8 mm (3.1 in)
1969
149.9 mm (5.9 in)
1970
159.8 mm (6.3 in)
1971
199.9 mm (7.9 in)
1972
159.8 mm (6.3 in)
1973
179.8 mm (7.1 in)
1974
108.0 mm (4.3 in)
1975
91.9 mm (3.6 in)
1976
97.8 mm (3.9 in)
1977
47.8 mm (1.9 in)
1978
14.0 mm (0.6 in)
1979
47.0 mm (1.9 in)
1980
41.9 mm (1.6 in)
1981
20.8 mm (0.8 in)
1982
69.9 mm (2.8 in)
1983
60.2 mm (2.4 in)
1984
38.4 mm (1.5 in)
1985
79.8 mm (3.1 in)
1986
233.2 mm (9.2 in)
1987
79.8 mm (3.1 in)
1988
190.5 mm (7.5 in)
1989
100.1 mm (3.9 in)
1990
45.0 mm (1.8 in)
1991
60.2 mm (2.4 in)
1992
59.9 mm (2.4 in)
1993
140.0 mm (5.5 in)
1994
59.9 mm (2.4 in)
1995
130.0 mm (5.1 in)
1996
61.7 mm (2.4 in)
1997
99.8 mm (3.9 in)
1998
69.9 mm (2.8 in)
1999
59.9 mm (2.4 in)
2000
120.1 mm (4.7 in)
2001
39.9 mm (1.6 in)
2004
41.9 mm (1.6 in)
2005
18.8 mm (0.7 in)
2008
110.0 mm (4.3 in)
2009
59.9 mm (2.4 in)
2010
213.9 mm (8.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Sombreretillo, 1967 to 2010. The record is 825.3 mm (32.5 in) in 1967, marked on the chart; the median year is 133.7 mm (5.3 in).
Wettest five days (Rx5day) at Sombreretillo by year
Year
Wettest five days (Rx5day)
1967
825.3 mm (32.5 in)
1968
164.6 mm (6.5 in)
1969
272.8 mm (10.7 in)
1970
309.4 mm (12.2 in)
1971
452.5 mm (17.8 in)
1972
227.6 mm (9.0 in)
1973
325.4 mm (12.8 in)
1974
223.3 mm (8.8 in)
1975
111.7 mm (4.4 in)
1976
197.9 mm (7.8 in)
1977
72.7 mm (2.9 in)
1978
16.3 mm (0.6 in)
1979
68.2 mm (2.7 in)
1980
75.0 mm (3.0 in)
1981
42.4 mm (1.7 in)
1982
127.3 mm (5.0 in)
1983
61.2 mm (2.4 in)
1984
63.1 mm (2.5 in)
1985
146.6 mm (5.8 in)
1986
283.2 mm (11.1 in)
1987
214.7 mm (8.5 in)
1988
190.5 mm (7.5 in)
1989
121.9 mm (4.8 in)
1990
64.8 mm (2.6 in)
1991
111.0 mm (4.4 in)
1992
62.9 mm (2.5 in)
1993
140.0 mm (5.5 in)
1994
94.3 mm (3.7 in)
1995
149.8 mm (5.9 in)
1996
155.9 mm (6.1 in)
1997
209.7 mm (8.3 in)
1998
93.7 mm (3.7 in)
1999
88.9 mm (3.5 in)
2000
157.4 mm (6.2 in)
2001
39.9 mm (1.6 in)
2004
52.3 mm (2.1 in)
2005
27.4 mm (1.1 in)
2008
195.6 mm (7.7 in)
2009
59.9 mm (2.4 in)
2010
374.7 mm (14.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Sombreretillo, 1967 to 2010. The record is 120 days in 2004, marked on the chart; the median year is 45 days.
Longest dry spell (CDD) at Sombreretillo by year
Year
Longest dry spell (CDD)
1967
32 days
1968
26 days
1969
27 days
1970
75 days
1971
37 days
1972
30 days
1973
45 days
1974
46 days
1975
37 days
1976
52 days
1977
65 days
1978
44 days
1979
30 days
1980
20 days
1981
20 days
1982
15 days
1983
42 days
1984
29 days
1985
41 days
1986
58 days
1987
32 days
1988
64 days
1989
46 days
1990
42 days
1991
42 days
1992
69 days
1993
71 days
1994
48 days
1995
33 days
1996
52 days
1997
43 days
1998
70 days
1999
83 days
2000
46 days
2001
20 days
2004
120 days
2005
64 days
2008
88 days
2009
76 days
2010
46 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 Sombreretillo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Sombreretillo 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.