Ciudad Obregon Son. Weather Records (MXM00076258)

Record envelope, standing records and threshold days for Ciudad Obregon Son. (MXM00076258), Mexico, with 52 years of record.

Key Facts for Ciudad Obregon Son.

Ciudad Obregon Son. (MXM00076258) is a weather station in Mexico at 27.37 latitude and -109.93 longitude, 40 m (131 ft) above sea level.
The station reports from 1974 to 2025, 52 years of record.
1,464 records set at Ciudad Obregon Son. still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 27.37 latitude, -109.93 longitude.
Elevation: 40 m (131 ft).
Period of record: 1974 to 2025, 52 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

18 days at or beyond a record

The band shows the record high and record low for each calendar day at Ciudad Obregon Son.. The lines show the 2026 daily maximum and minimum. 18 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Ciudad Obregon Son., with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	34.2 C (93.6 F)	0.0 C (32.0 F)	27.4 C (81.3 F)	2.5 C (36.5 F)
Feb	35.2 C (95.4 F)	1.0 C (33.8 F)	35.2 C (95.4 F)	1.2 C (34.2 F)
Mar	36.0 C (96.8 F)	0.0 C (32.0 F)	34.4 C (93.9 F)	4.5 C (40.1 F)
Apr	41.0 C (105.8 F)	5.2 C (41.4 F)	41.0 C (105.8 F)	5.2 C (41.4 F)
May	41.0 C (105.8 F)	7.6 C (45.7 F)	39.6 C (103.3 F)	10.2 C (50.4 F)
Jun	45.0 C (113.0 F)	11.8 C (53.2 F)	40.4 C (104.7 F)	20.4 C (68.7 F)
Jul	43.5 C (110.3 F)	18.0 C (64.4 F)	42.4 C (108.3 F)	23.8 C (74.8 F)
Aug	43.6 C (110.5 F)	18.0 C (64.4 F)	n/a	n/a
Sep	45.0 C (113.0 F)	17.0 C (62.6 F)	n/a	n/a
Oct	42.6 C (108.7 F)	10.2 C (50.4 F)	n/a	n/a
Nov	39.0 C (102.2 F)	4.0 C (39.2 F)	n/a	n/a
Dec	34.0 C (93.2 F)	-1.8 C (28.8 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ciudad Obregon Son. still stand. 1984 holds the most, with 95.

Standing records at Ciudad Obregon Son. by the year they were set
Year set	Standing records
1979	2
1980	67
1981	38
1982	19
1983	69
1984	95
1985	90
1986	75
1987	80
1988	87
1989	59
1990	90
1991	93
1992	91
1993	42
2001	6
2002	13
2004	7
2005	8
2007	1
2009	17
2010	6
2011	10
2012	16
2013	43
2014	48
2015	27
2016	25
2017	46
2018	30
2019	15
2020	6
2021	4
2022	20
2023	41
2024	42
2025	36

Wettest Day of Each Month

Apr: 201.2 mm (7.9 in)

The wettest day on record for each calendar month at Ciudad Obregon Son.. The most was 201.2 mm (7.9 in) on 7 April 1992.

Record daily precipitation for each month at Ciudad Obregon Son.
Month	Record daily precipitation (mm)	Date
Jan	45.0 mm (1.8 in)	6 January 1992
Feb	26.7 mm (1.1 in)	3 February 1992
Mar	28.2 mm (1.1 in)	4 March 2015
Apr	201.2 mm (7.9 in)	7 April 1992
May	7.9 mm (0.31 in)	29 May 1990
Jun	6.1 mm (0.24 in)	23 June 1984
Jul	58.4 mm (2.3 in)	17 July 2014
Aug	99.1 mm (3.9 in)	22 August 2014
Sep	99.1 mm (3.9 in)	22 September 1990
Oct	55.6 mm (2.2 in)	19 October 1983
Nov	32.5 mm (1.3 in)	26 November 1982
Dec	47.5 mm (1.9 in)	9 December 1982

Period of Record Coverage

1979 to 2025

39 years of record at Ciudad Obregon Son., 1979 to 2025. 39 years have data for under 90 percent of days and are left out of rankings: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986 and others.

Days with data per year at Ciudad Obregon Son.
Year	Days with data	Share of year	Complete
1979	4	1%	No
1980	49	13%	No
1981	32	9%	No
1982	26	7%	No
1983	117	32%	No
1984	179	49%	No
1985	149	41%	No
1986	141	39%	No
1987	167	46%	No
1988	199	54%	No
1989	133	36%	No
1990	180	49%	No
1991	193	53%	No
1992	233	64%	No
1993	151	41%	No
2001	15	4%	No
2002	40	11%	No
2003	1	0%	No
2004	8	2%	No
2005	19	5%	No
2007	2	1%	No
2008	1	0%	No
2009	43	12%	No
2010	20	5%	No
2011	29	8%	No
2012	57	16%	No
2013	84	23%	No
2014	135	37%	No
2015	73	20%	No
2016	72	20%	No
2017	106	29%	No
2018	75	21%	No
2019	38	10%	No
2020	8	2%	No
2021	9	2%	No
2022	65	18%	No
2023	82	22%	No
2024	98	27%	No
2025	68	19%	No

Latest Records

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

Extremes by Year

1974 to 2025

Yearly extremes at Ciudad Obregon Son.: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.0 C (113.0 F)	2023	41.6 C (106.9 F)	39
Coldest night (TNn)	-1.8 C (28.8 F)	1988	3.9 C (39.0 F)	39
Wettest day (Rx1day)	201.2 mm (7.9 in)	1992	19.0 mm (0.7 in)	40
Wettest five days (Rx5day)	201.2 mm (7.9 in)	1992	37.0 mm (1.5 in)	25
Longest dry spell (CDD)	90 days	1983	5 days	40

Hottest day (TXx)

The hottest day of the year at Ciudad Obregon Son., 1974 to 2025. The record is 45.0 C (113.0 F) in 2023, marked on the chart; the median year is 41.6 C (106.9 F).

Hottest day (TXx) at Ciudad Obregon Son. by year
Year	Hottest day (TXx)
1974	n/a
1977	n/a
1978	n/a
1979	27.7 C (81.9 F)
1980	42.7 C (108.9 F)
1981	40.0 C (104.0 F)
1982	33.6 C (92.5 F)
1983	42.6 C (108.7 F)
1984	40.4 C (104.7 F)
1985	40.6 C (105.1 F)
1986	40.4 C (104.7 F)
1987	41.6 C (106.9 F)
1988	41.4 C (106.5 F)
1989	40.5 C (104.9 F)
1990	41.0 C (105.8 F)
1991	40.0 C (104.0 F)
1992	40.0 C (104.0 F)
1993	42.6 C (108.7 F)
2001	43.6 C (110.5 F)
2002	36.4 C (97.5 F)
2003	33.2 C (91.8 F)
2004	31.8 C (89.2 F)
2005	41.6 C (106.9 F)
2007	37.8 C (100.0 F)
2008	26.8 C (80.2 F)
2009	41.8 C (107.2 F)
2010	41.6 C (106.9 F)
2011	43.5 C (110.3 F)
2012	42.0 C (107.6 F)
2013	42.3 C (108.1 F)
2014	42.6 C (108.7 F)
2015	42.5 C (108.5 F)
2016	43.5 C (110.3 F)
2017	43.2 C (109.8 F)
2018	42.0 C (107.6 F)
2019	39.5 C (103.1 F)
2020	42.4 C (108.3 F)
2021	38.0 C (100.4 F)
2022	42.8 C (109.0 F)
2023	45.0 C (113.0 F)
2024	45.0 C (113.0 F)
2025	42.4 C (108.3 F)

Coldest night (TNn)

The coldest night of the year at Ciudad Obregon Son., 1974 to 2025. The record is -1.8 C (28.8 F) in 1988, marked on the chart; the median year is 3.9 C (39.0 F).

Coldest night (TNn) at Ciudad Obregon Son. by year
Year	Coldest night (TNn)
1974	n/a
1977	n/a
1978	n/a
1979	5.0 C (41.0 F)
1980	6.6 C (43.9 F)
1981	8.8 C (47.8 F)
1982	4.2 C (39.6 F)
1983	4.0 C (39.2 F)
1984	3.6 C (38.5 F)
1985	1.0 C (33.8 F)
1986	2.2 C (36.0 F)
1987	0.0 C (32.0 F)
1988	-1.8 C (28.8 F)
1989	0.0 C (32.0 F)
1990	0.0 C (32.0 F)
1991	3.6 C (38.5 F)
1992	2.6 C (36.7 F)
1993	0.0 C (32.0 F)
2001	5.4 C (41.7 F)
2002	2.0 C (35.6 F)
2003	15.2 C (59.4 F)
2004	4.6 C (40.3 F)
2005	6.0 C (42.8 F)
2007	13.0 C (55.4 F)
2008	4.8 C (40.6 F)
2009	7.4 C (45.3 F)
2010	5.8 C (42.4 F)
2011	7.4 C (45.3 F)
2012	4.0 C (39.2 F)
2013	1.8 C (35.2 F)
2014	1.8 C (35.2 F)
2015	6.6 C (43.9 F)
2016	3.2 C (37.8 F)
2017	4.5 C (40.1 F)
2018	2.5 C (36.5 F)
2019	4.2 C (39.6 F)
2020	5.2 C (41.4 F)
2021	3.9 C (39.0 F)
2022	3.8 C (38.8 F)
2023	2.4 C (36.3 F)
2024	2.2 C (36.0 F)
2025	1.2 C (34.2 F)

Wettest day (Rx1day)

The wettest day of the year at Ciudad Obregon Son., 1974 to 2025. The record is 201.2 mm (7.9 in) in 1992, marked on the chart; the median year is 19.0 mm (0.7 in).

Wettest day (Rx1day) at Ciudad Obregon Son. by year
Year	Wettest day (Rx1day)
1974	0.5 mm (0.02 in)
1977	2.0 mm (0.08 in)
1978	2.0 mm (0.08 in)
1979	0.0 mm (0.00 in)
1980	n/a
1981	n/a
1982	47.5 mm (1.9 in)
1983	55.6 mm (2.2 in)
1984	54.6 mm (2.1 in)
1985	38.1 mm (1.5 in)
1986	32.8 mm (1.3 in)
1987	39.6 mm (1.6 in)
1988	58.4 mm (2.3 in)
1989	34.0 mm (1.3 in)
1990	99.1 mm (3.9 in)
1991	84.1 mm (3.3 in)
1992	201.2 mm (7.9 in)
1993	32.3 mm (1.3 in)
2001	6.1 mm (0.24 in)
2002	9.1 mm (0.36 in)
2003	0.0 mm (0.00 in)
2004	0.0 mm (0.00 in)
2005	0.0 mm (0.00 in)
2007	0.0 mm (0.00 in)
2008	0.0 mm (0.00 in)
2009	11.9 mm (0.5 in)
2010	8.9 mm (0.35 in)
2011	5.1 mm (0.20 in)
2012	2.8 mm (0.11 in)
2013	33.5 mm (1.3 in)
2014	99.1 mm (3.9 in)
2015	30.2 mm (1.2 in)
2016	42.4 mm (1.7 in)
2017	32.0 mm (1.3 in)
2018	16.5 mm (0.6 in)
2019	6.1 mm (0.24 in)
2020	0.0 mm (0.00 in)
2021	0.0 mm (0.00 in)
2022	40.4 mm (1.6 in)
2023	18.3 mm (0.7 in)
2024	19.6 mm (0.8 in)
2025	20.6 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ciudad Obregon Son., 1974 to 2025. The record is 201.2 mm (7.9 in) in 1992, marked on the chart; the median year is 37.0 mm (1.5 in).

Wettest five days (Rx5day) at Ciudad Obregon Son. by year
Year	Wettest five days (Rx5day)
1974	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	47.5 mm (1.9 in)
1983	64.8 mm (2.6 in)
1984	155.0 mm (6.1 in)
1985	39.3 mm (1.5 in)
1986	43.2 mm (1.7 in)
1987	46.5 mm (1.8 in)
1988	61.7 mm (2.4 in)
1989	37.0 mm (1.5 in)
1990	99.1 mm (3.9 in)
1991	123.0 mm (4.8 in)
1992	201.2 mm (7.9 in)
1993	52.6 mm (2.1 in)
2001	0.0 mm (0.00 in)
2002	0.0 mm (0.00 in)
2003	n/a
2004	n/a
2005	n/a
2007	n/a
2008	n/a
2009	7.2 mm (0.28 in)
2010	n/a
2011	n/a
2012	0.0 mm (0.00 in)
2013	5.3 mm (0.21 in)
2014	190.1 mm (7.5 in)
2015	30.0 mm (1.2 in)
2016	0.0 mm (0.00 in)
2017	0.8 mm (0.03 in)
2018	5.4 mm (0.21 in)
2019	0.0 mm (0.00 in)
2020	n/a
2021	n/a
2022	0.0 mm (0.00 in)
2023	n/a
2024	7.1 mm (0.28 in)
2025	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Ciudad Obregon Son., 1974 to 2025. The record is 90 days in 1983, marked on the chart; the median year is 5 days.

Longest dry spell (CDD) at Ciudad Obregon Son. by year
Year	Longest dry spell (CDD)
1974	2 days
1977	1 day
1978	1 day
1979	1 day
1980	n/a
1981	n/a
1982	9 days
1983	90 days
1984	66 days
1985	42 days
1986	41 days
1987	54 days
1988	61 days
1989	68 days
1990	78 days
1991	54 days
1992	60 days
1993	36 days
2001	6 days
2002	6 days
2003	1 day
2004	4 days
2005	3 days
2007	1 day
2008	1 day
2009	4 days
2010	4 days
2011	4 days
2012	12 days
2013	9 days
2014	12 days
2015	6 days
2016	5 days
2017	5 days
2018	5 days
2019	6 days
2020	1 day
2021	2 days
2022	5 days
2023	3 days
2024	3 days
2025	3 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 Ciudad Obregon Son. standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ciudad Obregon Son. 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.

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