Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at San Martin. 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 San Martin, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
42.7 C (108.9 F)
8.4 C (47.1 F)
n/a
n/a
Feb
42.7 C (108.9 F)
5.0 C (41.0 F)
n/a
n/a
Mar
38.5 C (101.3 F)
0.8 C (33.4 F)
n/a
n/a
Apr
35.0 C (95.0 F)
-1.0 C (30.2 F)
n/a
n/a
May
29.4 C (84.9 F)
-6.6 C (20.1 F)
n/a
n/a
Jun
30.1 C (86.2 F)
-7.0 C (19.4 F)
n/a
n/a
Jul
32.0 C (89.6 F)
-9.0 C (15.8 F)
n/a
n/a
Aug
33.1 C (91.6 F)
-10.0 C (14.0 F)
n/a
n/a
Sep
36.5 C (97.7 F)
-2.8 C (27.0 F)
n/a
n/a
Oct
40.4 C (104.7 F)
-4.0 C (24.8 F)
n/a
n/a
Nov
39.7 C (103.5 F)
-0.3 C (31.5 F)
n/a
n/a
Dec
42.9 C (109.2 F)
3.8 C (38.8 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at San Martin still stand. 2022 holds the most, with 52.
Standing records at San Martin by the year they were set
Year set
Standing records
1973
8
1974
6
1975
8
1976
12
1977
6
1978
6
1979
20
1980
33
1981
36
1982
8
1983
23
1984
20
1986
1
1987
12
1988
5
1989
20
1990
22
1991
23
1992
31
1993
44
1994
27
1995
30
1996
24
1997
23
1998
3
1999
41
2000
30
2001
30
2002
31
2003
28
2004
31
2005
30
2006
39
2007
43
2008
29
2009
47
2010
34
2011
22
2012
33
2013
51
2014
48
2015
45
2016
40
2017
30
2018
34
2019
46
2020
42
2021
36
2022
52
2023
46
2024
48
2025
27
All-Time Record Progression
2 new records
2 all-time records were set at San Martin between 11 January 2022 and 2 February 2024. Each dot is a new record.
When San Martin set new all-time records
Date
Kind
Detail
2022-01-11
Record high minimum temperature
Record high minimum temperature 26.5 C (79.7 F)
2024-02-02
Record high minimum temperature
Record high minimum temperature 27.4 C (81.3 F)
Wettest Day of Each Month
Jan: 196.1 mm (7.7 in)
The wettest day on record for each calendar month at San Martin. The most was 196.1 mm (7.7 in) on 29 January 2023.
Record daily precipitation for each month at San Martin
Month
Record daily precipitation (mm)
Date
Jan
196.1 mm (7.7 in)
29 January 2023
Feb
184.4 mm (7.3 in)
4 February 2003
Mar
180.1 mm (7.1 in)
9 March 1996
Apr
91.9 mm (3.6 in)
18 April 2017
May
71.9 mm (2.8 in)
10 May 2018
Jun
19.1 mm (0.8 in)
27 June 2016
Jul
8.1 mm (0.32 in)
9 July 2000
Aug
20.1 mm (0.8 in)
30 August 1981
Sep
88.9 mm (3.5 in)
29 September 1995
Oct
68.1 mm (2.7 in)
31 October 1999
Nov
135.9 mm (5.4 in)
5 November 2006
Dec
98.0 mm (3.9 in)
13 December 1994
Period of Record Coverage
1973 to 2025
Complete yearUnder 90 percent of days
51 years of record at San Martin, 1973 to 2025. 51 years have data for under 90 percent of days and are left out of rankings: 1973, 1974, 1975, 1977, 1979, 1980, 1981, 1982 and others.
Yearly extremes at San Martin: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
42.9 C (109.2 F)
2023
39.0 C (102.2 F)
51
Coldest night (TNn)
-10.0 C (14.0 F)
1981
-4.0 C (24.8 F)
52
Wettest day (Rx1day)
196.1 mm (7.7 in)
2023
31.0 mm (1.2 in)
53
Wettest five days (Rx5day)
184.4 mm (7.3 in)
2003
30.0 mm (1.2 in)
35
Longest dry spell (CDD)
34 days
2003
3 days
52
Hottest day (TXx)
The hottest day of the year at San Martin, 1973 to 2025. The record is 42.9 C (109.2 F) in 2023, marked on the chart; the median year is 39.0 C (102.2 F).
Hottest day (TXx) at San Martin by year
Year
Hottest day (TXx)
1973
29.0 C (84.2 F)
1974
25.0 C (77.0 F)
1975
26.0 C (78.8 F)
1976
n/a
1977
30.0 C (86.0 F)
1978
n/a
1979
39.0 C (102.2 F)
1980
39.0 C (102.2 F)
1981
39.0 C (102.2 F)
1982
39.3 C (102.7 F)
1983
37.6 C (99.7 F)
1984
38.0 C (100.4 F)
1985
35.4 C (95.7 F)
1986
28.0 C (82.4 F)
1987
39.7 C (103.5 F)
1988
38.5 C (101.3 F)
1989
36.8 C (98.2 F)
1990
40.5 C (104.9 F)
1991
36.3 C (97.3 F)
1992
36.8 C (98.2 F)
1993
37.8 C (100.0 F)
1994
39.1 C (102.4 F)
1995
41.0 C (105.8 F)
1996
39.0 C (102.2 F)
1997
37.5 C (99.5 F)
1998
37.7 C (99.9 F)
1999
38.6 C (101.5 F)
2000
37.4 C (99.3 F)
2001
38.6 C (101.5 F)
2002
37.1 C (98.8 F)
2003
42.7 C (108.9 F)
2004
36.7 C (98.1 F)
2005
37.6 C (99.7 F)
2006
40.2 C (104.4 F)
2007
39.6 C (103.3 F)
2008
39.8 C (103.6 F)
2009
40.4 C (104.7 F)
2010
41.6 C (106.9 F)
2011
38.0 C (100.4 F)
2012
40.6 C (105.1 F)
2013
38.8 C (101.8 F)
2014
40.5 C (104.9 F)
2015
39.0 C (102.2 F)
2016
39.1 C (102.4 F)
2017
40.6 C (105.1 F)
2018
39.6 C (103.3 F)
2019
40.0 C (104.0 F)
2020
40.7 C (105.3 F)
2021
39.6 C (103.3 F)
2022
41.8 C (107.2 F)
2023
42.9 C (109.2 F)
2024
41.3 C (106.3 F)
2025
42.7 C (108.9 F)
Coldest night (TNn)
The coldest night of the year at San Martin, 1973 to 2025. The record is -10.0 C (14.0 F) in 1981, marked on the chart; the median year is -4.0 C (24.8 F).
Coldest night (TNn) at San Martin by year
Year
Coldest night (TNn)
1973
-2.0 C (28.4 F)
1974
-4.0 C (24.8 F)
1975
-5.0 C (23.0 F)
1976
-9.0 C (15.8 F)
1977
-3.0 C (26.6 F)
1978
-3.0 C (26.6 F)
1979
-5.0 C (23.0 F)
1980
-7.0 C (19.4 F)
1981
-10.0 C (14.0 F)
1982
3.8 C (38.8 F)
1983
-3.6 C (25.5 F)
1984
-4.4 C (24.1 F)
1985
n/a
1986
7.1 C (44.8 F)
1987
-3.0 C (26.6 F)
1988
-5.4 C (22.3 F)
1989
-6.1 C (21.0 F)
1990
-5.2 C (22.6 F)
1991
-5.8 C (21.6 F)
1992
-5.2 C (22.6 F)
1993
-6.8 C (19.8 F)
1994
-5.6 C (21.9 F)
1995
-5.5 C (22.1 F)
1996
-3.5 C (25.7 F)
1997
-2.2 C (28.0 F)
1998
5.4 C (41.7 F)
1999
-7.0 C (19.4 F)
2000
-6.0 C (21.2 F)
2001
-4.1 C (24.6 F)
2002
-4.6 C (23.7 F)
2003
-4.3 C (24.3 F)
2004
-3.0 C (26.6 F)
2005
-2.3 C (27.9 F)
2006
-2.0 C (28.4 F)
2007
-7.4 C (18.7 F)
2008
-3.8 C (25.2 F)
2009
-4.0 C (24.8 F)
2010
-6.5 C (20.3 F)
2011
-4.6 C (23.7 F)
2012
-4.0 C (24.8 F)
2013
-4.0 C (24.8 F)
2014
-3.2 C (26.2 F)
2015
-1.5 C (29.3 F)
2016
-1.5 C (29.3 F)
2017
-5.3 C (22.5 F)
2018
-3.6 C (25.5 F)
2019
-2.6 C (27.3 F)
2020
-3.4 C (25.9 F)
2021
-3.9 C (25.0 F)
2022
-2.1 C (28.2 F)
2023
-3.1 C (26.4 F)
2024
-4.9 C (23.2 F)
2025
-5.9 C (21.4 F)
Wettest day (Rx1day)
The wettest day of the year at San Martin, 1973 to 2025. The record is 196.1 mm (7.7 in) in 2023, marked on the chart; the median year is 31.0 mm (1.2 in).
Wettest day (Rx1day) at San Martin by year
Year
Wettest day (Rx1day)
1973
6.1 mm (0.24 in)
1974
1.0 mm (0.04 in)
1975
13.0 mm (0.5 in)
1976
23.9 mm (0.9 in)
1977
49.0 mm (1.9 in)
1978
33.0 mm (1.3 in)
1979
18.0 mm (0.7 in)
1980
14.0 mm (0.6 in)
1981
24.9 mm (1.0 in)
1982
84.1 mm (3.3 in)
1983
11.9 mm (0.5 in)
1984
47.0 mm (1.9 in)
1985
0.0 mm (0.00 in)
1986
0.0 mm (0.00 in)
1987
9.9 mm (0.39 in)
1988
9.9 mm (0.39 in)
1989
59.9 mm (2.4 in)
1990
17.0 mm (0.7 in)
1991
35.1 mm (1.4 in)
1992
30.0 mm (1.2 in)
1993
22.1 mm (0.9 in)
1994
98.0 mm (3.9 in)
1995
88.9 mm (3.5 in)
1996
180.1 mm (7.1 in)
1997
99.1 mm (3.9 in)
1998
21.1 mm (0.8 in)
1999
68.1 mm (2.7 in)
2000
20.1 mm (0.8 in)
2001
35.1 mm (1.4 in)
2002
29.0 mm (1.1 in)
2003
184.4 mm (7.3 in)
2004
46.0 mm (1.8 in)
2005
164.3 mm (6.5 in)
2006
135.9 mm (5.4 in)
2007
29.0 mm (1.1 in)
2008
29.0 mm (1.1 in)
2009
21.1 mm (0.8 in)
2010
31.0 mm (1.2 in)
2011
49.0 mm (1.9 in)
2012
17.0 mm (0.7 in)
2013
64.0 mm (2.5 in)
2014
56.9 mm (2.2 in)
2015
35.1 mm (1.4 in)
2016
65.0 mm (2.6 in)
2017
91.9 mm (3.6 in)
2018
71.9 mm (2.8 in)
2019
40.9 mm (1.6 in)
2020
26.9 mm (1.1 in)
2021
47.0 mm (1.9 in)
2022
20.1 mm (0.8 in)
2023
196.1 mm (7.7 in)
2024
4.1 mm (0.16 in)
2025
3.0 mm (0.12 in)
Wettest five days (Rx5day)
The wettest five days of the year at San Martin, 1973 to 2025. The record is 184.4 mm (7.3 in) in 2003, marked on the chart; the median year is 30.0 mm (1.2 in).
Wettest five days (Rx5day) at San Martin by year
Year
Wettest five days (Rx5day)
1973
n/a
1974
n/a
1975
n/a
1976
0.0 mm (0.00 in)
1977
n/a
1978
34.0 mm (1.3 in)
1979
18.0 mm (0.7 in)
1980
14.0 mm (0.6 in)
1981
38.0 mm (1.5 in)
1982
33.0 mm (1.3 in)
1983
16.8 mm (0.7 in)
1984
12.5 mm (0.5 in)
1985
0.0 mm (0.00 in)
1986
n/a
1987
18.8 mm (0.7 in)
1988
n/a
1989
n/a
1990
n/a
1991
5.0 mm (0.20 in)
1992
n/a
1993
n/a
1994
98.3 mm (3.9 in)
1995
22.8 mm (0.9 in)
1996
36.8 mm (1.4 in)
1997
123.0 mm (4.8 in)
1998
24.2 mm (1.0 in)
1999
20.3 mm (0.8 in)
2000
n/a
2001
n/a
2002
29.0 mm (1.1 in)
2003
184.4 mm (7.3 in)
2004
56.9 mm (2.2 in)
2005
183.3 mm (7.2 in)
2006
50.0 mm (2.0 in)
2007
34.8 mm (1.4 in)
2008
41.3 mm (1.6 in)
2009
17.0 mm (0.7 in)
2010
n/a
2011
30.0 mm (1.2 in)
2012
15.5 mm (0.6 in)
2013
n/a
2014
n/a
2015
28.9 mm (1.1 in)
2016
59.0 mm (2.3 in)
2017
112.5 mm (4.4 in)
2018
74.2 mm (2.9 in)
2019
36.1 mm (1.4 in)
2020
17.3 mm (0.7 in)
2021
28.8 mm (1.1 in)
2022
31.2 mm (1.2 in)
2023
n/a
2024
n/a
2025
n/a
Longest dry spell (CDD)
The longest dry spell of the year at San Martin, 1973 to 2025. The record is 34 days in 2003, marked on the chart; the median year is 3 days.
Longest dry spell (CDD) at San Martin by year
Year
Longest dry spell (CDD)
1973
3 days
1974
4 days
1975
n/a
1976
9 days
1977
4 days
1978
6 days
1979
9 days
1980
18 days
1981
18 days
1982
4 days
1983
5 days
1984
4 days
1985
5 days
1986
4 days
1987
1 day
1988
2 days
1989
2 days
1990
2 days
1991
2 days
1992
3 days
1993
2 days
1994
7 days
1995
13 days
1996
9 days
1997
17 days
1998
16 days
1999
9 days
2000
3 days
2001
2 days
2002
14 days
2003
34 days
2004
28 days
2005
28 days
2006
2 days
2007
3 days
2008
2 days
2009
2 days
2010
3 days
2011
3 days
2012
3 days
2013
3 days
2014
2 days
2015
4 days
2016
3 days
2017
3 days
2018
3 days
2019
4 days
2020
3 days
2021
2 days
2022
2 days
2023
2 days
2024
3 days
2025
1 day
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 San Martin standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Martin 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.