Colonia San Pedro Martir Weather Records (MXN00002146)

Record envelope, standing records and threshold days for Colonia San Pedro Martir (MXN00002146), Mexico, with 32 years of record.

Key Facts for Colonia San Pedro Martir

Colonia San Pedro Martir (MXN00002146) is a weather station in Mexico at 31.03 latitude and -115.20 longitude, 416 m (1,364 ft) above sea level.
The station reports from 1981 to 2012, 32 years of record.
1,464 records set at Colonia San Pedro Martir still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 31.03 latitude, -115.20 longitude.
Elevation: 416 m (1,364 ft).
Period of record: 1981 to 2012, 32 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Colonia San Pedro Martir. 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 Colonia San Pedro Martir, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.6 C (87.1 F)	-12.2 C (10.0 F)	n/a	n/a
Feb	36.7 C (98.1 F)	-7.2 C (19.0 F)	n/a	n/a
Mar	35.6 C (96.1 F)	-7.2 C (19.0 F)	n/a	n/a
Apr	42.8 C (109.0 F)	-4.4 C (24.1 F)	n/a	n/a
May	45.0 C (113.0 F)	0.6 C (33.1 F)	n/a	n/a
Jun	47.8 C (118.0 F)	6.7 C (44.1 F)	n/a	n/a
Jul	46.7 C (116.1 F)	8.9 C (48.0 F)	n/a	n/a
Aug	47.8 C (118.0 F)	2.8 C (37.0 F)	n/a	n/a
Sep	45.6 C (114.1 F)	0.0 C (32.0 F)	n/a	n/a
Oct	43.9 C (111.0 F)	-2.2 C (28.0 F)	n/a	n/a
Nov	36.7 C (98.1 F)	-9.4 C (15.1 F)	n/a	n/a
Dec	33.9 C (93.0 F)	-10.0 C (14.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Colonia San Pedro Martir still stand. 1989 holds the most, with 158.

Standing records at Colonia San Pedro Martir by the year they were set
Year set	Standing records
1981	25
1982	48
1983	78
1984	106
1985	55
1986	61
1987	19
1988	73
1989	158
1990	61
1991	36
1992	44
1994	41
1995	69
1996	77
1997	46
1998	42
1999	35
2000	75
2001	29
2002	42
2003	42
2004	19
2005	32
2006	28
2007	20
2008	10
2009	20
2010	18
2011	52
2012	3

Wettest Day of Each Month

Jul: 67.8 mm (2.7 in)

The wettest day on record for each calendar month at Colonia San Pedro Martir. The most was 67.8 mm (2.7 in) on 14 July 1984.

Record daily precipitation for each month at Colonia San Pedro Martir
Month	Record daily precipitation (mm)	Date
Jan	24.9 mm (1.0 in)	17 January 1990
Feb	30.0 mm (1.2 in)	7 February 1992
Mar	16.8 mm (0.7 in)	4 March 2000
Apr	15.7 mm (0.6 in)	9 April 2009
May	3.3 mm (0.13 in)	4 May 1982
Jun	37.1 mm (1.5 in)	27 June 1981
Jul	67.8 mm (2.7 in)	14 July 1984
Aug	55.9 mm (2.2 in)	22 August 1982
Sep	62.0 mm (2.4 in)	25 September 1984
Oct	55.9 mm (2.2 in)	7 October 2001
Nov	15.0 mm (0.6 in)	11 November 2007
Dec	51.8 mm (2.0 in)	8 December 1982

Period of Record Coverage

1981 to 2012

31 years of record at Colonia San Pedro Martir, 1981 to 2012. 9 years have data for under 90 percent of days and are left out of rankings: 1981, 1985, 1986, 1987, 1989, 1991, 1994, 1999 and others.

Days with data per year at Colonia San Pedro Martir
Year	Days with data	Share of year	Complete
1981	202	55%	No
1982	355	97%	Yes
1983	363	99%	Yes
1984	365	100%	Yes
1985	252	69%	No
1986	274	75%	No
1987	116	32%	No
1988	343	94%	Yes
1989	323	88%	No
1990	358	98%	Yes
1991	148	41%	No
1992	346	95%	Yes
1994	307	84%	No
1995	360	99%	Yes
1996	359	98%	Yes
1997	363	99%	Yes
1998	364	100%	Yes
1999	303	83%	No
2000	364	99%	Yes
2001	365	100%	Yes
2002	359	98%	Yes
2003	362	99%	Yes
2004	361	99%	Yes
2005	362	99%	Yes
2006	354	97%	Yes
2007	356	98%	Yes
2008	356	97%	Yes
2009	364	100%	Yes
2010	359	98%	Yes
2011	359	98%	Yes
2012	91	25%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

22 complete years, 1982 to 2011

One stripe for each of 22 complete years at Colonia San Pedro Martir, 1982 to 2011. Blue stripes are years cooler than the station's own mean of 19.8 C (67.6 F); red stripes are warmer. The coolest year was 1984, at 17.1 C (62.7 F), and the warmest was 1996, at 21.4 C (70.5 F). The strongest colour marks a difference of 2.7 C (4.9 F).

Annual mean temperature at Colonia San Pedro Martir as warming stripes, 1982 to 2011
Year	Annual mean temperature	Difference from the station mean
1982	18.1 C	-1.66 C
1983	17.9 C	-1.85 C
1984	17.1 C	-2.67 C
1988	17.7 C	-2.04 C
1990	18.1 C	-1.68 C
1992	20.2 C	+0.43 C
1995	21.0 C	+1.22 C
1996	21.4 C	+1.66 C
1997	20.7 C	+0.92 C
1998	19.4 C	-0.32 C
2000	21.2 C	+1.43 C
2001	19.8 C	+0.03 C
2002	19.8 C	+0.05 C
2003	20.5 C	+0.73 C
2004	19.7 C	-0.03 C
2005	20.4 C	+0.61 C
2006	20.3 C	+0.57 C
2007	20.5 C	+0.72 C
2008	19.6 C	-0.18 C
2009	20.3 C	+0.54 C
2010	20.0 C	+0.21 C
2011	21.1 C	+1.34 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

1981 to 2012

Yearly extremes at Colonia San Pedro Martir: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	47.8 C (118.0 F)	1986	45.0 C (113.0 F)	31
Coldest night (TNn)	-12.2 C (10.0 F)	1989	-7.2 C (19.0 F)	31
Wettest day (Rx1day)	67.8 mm (2.7 in)	1984	23.9 mm (0.9 in)	31
Wettest five days (Rx5day)	87.3 mm (3.4 in)	1984	26.7 mm (1.1 in)	31
Longest dry spell (CDD)	321 days	2008	126 days	31

Hottest day (TXx)

The hottest day of the year at Colonia San Pedro Martir, 1981 to 2012. The record is 47.8 C (118.0 F) in 1986, marked on the chart; the median year is 45.0 C (113.0 F).

Hottest day (TXx) at Colonia San Pedro Martir by year
Year	Hottest day (TXx)
1981	45.6 C (114.1 F)
1982	42.8 C (109.0 F)
1983	42.8 C (109.0 F)
1984	42.8 C (109.0 F)
1985	45.0 C (113.0 F)
1986	47.8 C (118.0 F)
1987	41.7 C (107.1 F)
1988	40.6 C (105.1 F)
1989	45.0 C (113.0 F)
1990	45.6 C (114.1 F)
1991	40.0 C (104.0 F)
1992	45.0 C (113.0 F)
1994	46.7 C (116.1 F)
1995	46.7 C (116.1 F)
1996	45.0 C (113.0 F)
1997	45.0 C (113.0 F)
1998	45.6 C (114.1 F)
1999	43.9 C (111.0 F)
2000	47.8 C (118.0 F)
2001	45.0 C (113.0 F)
2002	45.0 C (113.0 F)
2003	45.0 C (113.0 F)
2004	41.7 C (107.1 F)
2005	45.0 C (113.0 F)
2006	43.9 C (111.0 F)
2007	43.9 C (111.0 F)
2008	45.0 C (113.0 F)
2009	43.9 C (111.0 F)
2010	45.6 C (114.1 F)
2011	45.6 C (114.1 F)
2012	31.7 C (89.1 F)

Coldest night (TNn)

The coldest night of the year at Colonia San Pedro Martir, 1981 to 2012. The record is -12.2 C (10.0 F) in 1989, marked on the chart; the median year is -7.2 C (19.0 F).

Coldest night (TNn) at Colonia San Pedro Martir by year
Year	Coldest night (TNn)
1981	-6.1 C (21.0 F)
1982	-7.2 C (19.0 F)
1983	-9.4 C (15.1 F)
1984	-9.4 C (15.1 F)
1985	-5.0 C (23.0 F)
1986	-3.3 C (26.1 F)
1987	3.9 C (39.0 F)
1988	-7.2 C (19.0 F)
1989	-12.2 C (10.0 F)
1990	-10.0 C (14.0 F)
1991	-7.2 C (19.0 F)
1992	-0.6 C (30.9 F)
1994	-7.2 C (19.0 F)
1995	-5.0 C (23.0 F)
1996	-7.2 C (19.0 F)
1997	-4.4 C (24.1 F)
1998	0.0 C (32.0 F)
1999	-6.1 C (21.0 F)
2000	-6.1 C (21.0 F)
2001	-9.4 C (15.1 F)
2002	-8.3 C (17.1 F)
2003	-7.2 C (19.0 F)
2004	-7.2 C (19.0 F)
2005	-6.1 C (21.0 F)
2006	-7.2 C (19.0 F)
2007	-9.4 C (15.1 F)
2008	-4.4 C (24.1 F)
2009	-6.1 C (21.0 F)
2010	-7.2 C (19.0 F)
2011	-7.2 C (19.0 F)
2012	-4.4 C (24.1 F)

Wettest day (Rx1day)

The wettest day of the year at Colonia San Pedro Martir, 1981 to 2012. The record is 67.8 mm (2.7 in) in 1984, marked on the chart; the median year is 23.9 mm (0.9 in).

Wettest day (Rx1day) at Colonia San Pedro Martir by year
Year	Wettest day (Rx1day)
1981	37.8 mm (1.5 in)
1982	55.9 mm (2.2 in)
1983	32.8 mm (1.3 in)
1984	67.8 mm (2.7 in)
1985	11.9 mm (0.5 in)
1986	21.8 mm (0.9 in)
1987	25.9 mm (1.0 in)
1988	49.8 mm (2.0 in)
1989	25.9 mm (1.0 in)
1990	24.9 mm (1.0 in)
1991	50.8 mm (2.0 in)
1992	32.8 mm (1.3 in)
1994	21.8 mm (0.9 in)
1995	39.9 mm (1.6 in)
1996	19.8 mm (0.8 in)
1997	10.9 mm (0.4 in)
1998	39.9 mm (1.6 in)
1999	34.8 mm (1.4 in)
2000	16.8 mm (0.7 in)
2001	55.9 mm (2.2 in)
2002	11.9 mm (0.5 in)
2003	11.9 mm (0.5 in)
2004	15.7 mm (0.6 in)
2005	23.9 mm (0.9 in)
2006	13.0 mm (0.5 in)
2007	15.0 mm (0.6 in)
2008	10.9 mm (0.4 in)
2009	21.8 mm (0.9 in)
2010	14.0 mm (0.6 in)
2011	24.4 mm (1.0 in)
2012	0.0 mm (0.00 in)

Wettest five days (Rx5day)

The wettest five days of the year at Colonia San Pedro Martir, 1981 to 2012. The record is 87.3 mm (3.4 in) in 1984, marked on the chart; the median year is 26.7 mm (1.1 in).

Wettest five days (Rx5day) at Colonia San Pedro Martir by year
Year	Wettest five days (Rx5day)
1981	55.6 mm (2.2 in)
1982	75.7 mm (3.0 in)
1983	59.5 mm (2.3 in)
1984	87.3 mm (3.4 in)
1985	11.9 mm (0.5 in)
1986	42.4 mm (1.7 in)
1987	37.8 mm (1.5 in)
1988	82.9 mm (3.3 in)
1989	25.9 mm (1.0 in)
1990	44.7 mm (1.8 in)
1991	50.8 mm (2.0 in)
1992	49.6 mm (2.0 in)
1994	21.8 mm (0.9 in)
1995	39.9 mm (1.6 in)
1996	19.8 mm (0.8 in)
1997	14.7 mm (0.6 in)
1998	43.7 mm (1.7 in)
1999	34.8 mm (1.4 in)
2000	26.7 mm (1.1 in)
2001	55.9 mm (2.2 in)
2002	19.8 mm (0.8 in)
2003	13.7 mm (0.5 in)
2004	25.4 mm (1.0 in)
2005	28.2 mm (1.1 in)
2006	13.3 mm (0.5 in)
2007	15.5 mm (0.6 in)
2008	21.6 mm (0.9 in)
2009	23.6 mm (0.9 in)
2010	14.0 mm (0.6 in)
2011	24.6 mm (1.0 in)
2012	0.0 mm (0.00 in)

Longest dry spell (CDD)

The longest dry spell of the year at Colonia San Pedro Martir, 1981 to 2012. The record is 321 days in 2008, marked on the chart; the median year is 126 days.

Longest dry spell (CDD) at Colonia San Pedro Martir by year
Year	Longest dry spell (CDD)
1981	104 days
1982	59 days
1983	138 days
1984	87 days
1985	83 days
1986	179 days
1987	21 days
1988	91 days
1989	154 days
1990	114 days
1991	39 days
1992	95 days
1994	131 days
1995	64 days
1996	149 days
1997	109 days
1998	139 days
1999	120 days
2000	110 days
2001	128 days
2002	217 days
2003	156 days
2004	277 days
2005	138 days
2006	114 days
2007	126 days
2008	321 days
2009	138 days
2010	135 days
2011	138 days
2012	91 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.

Frost Dates and Growing Season

22 years with a frost

Across 22 years with a frost, the median last spring frost at Colonia San Pedro Martir falls on 17 March and the median first autumn frost on 14 November, which leaves a median of 245 days between them.

Frost dates and growing season at Colonia San Pedro Martir
Measure	Median, all years	Earliest period	Recent period (1982 to 2011)	Recent against earliest	Fitted trend
Last spring frost	17 March	n/a	17 March	n/a	n/a
First autumn frost	14 November	n/a	14 November	n/a	n/a
Growing days	245 days	n/a	245 days	n/a	n/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Colonia San Pedro Martir standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Colonia San Pedro Martir 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).