All-time weather records — Somerton, AZ

Record high
124.0°F
July 28, 1995
Record low
25.2°F
January 14, 2007
Wettest day
3.98 in
September 25, 1997

Climate change signal in Somerton

33.1%

of Somerton's all-time daily heat records were set in the last decade (121 of 366 records since 2015).

17.8%

of all-time daily cold records were set in the last decade (65 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1980s
82
125
1990s
76
86
2000s
40
39
2010s
98
80
2020s
70
36

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1982, the latest in 2026. Period of observation: 1982-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 87.1°F — Jan 31, 2003 25.2°F — Jan 14, 2007 1.95 in — Jan 21, 2010
February 96.1°F — Feb 27, 2026 30.2°F — Feb 3, 2011 0.83 in — Feb 18, 2017
March 109.0°F — Mar 20, 2026 39.0°F — Mar 2, 2023 1.42 in — Mar 6, 2001
April 109.0°F — Apr 6, 1989 39.9°F — Apr 26, 1984 0.77 in — Apr 6, 1984
May 120.0°F — May 28, 1983 50.0°F — May 7, 1995 0.52 in — May 24, 1994
June 123.1°F — Jun 26, 1990 59.0°F — Jun 7, 1993 0.31 in — Jun 9, 2015
July 124.0°F — Jul 28, 1995 68.0°F — Jul 1, 1982 2.55 in — Jul 27, 1989
August 118.9°F — Aug 24, 1985 68.0°F — Aug 23, 1992 3.51 in — Aug 9, 1989
September 120.0°F — Sep 5, 2020 55.0°F — Sep 24, 1986 3.98 in — Sep 25, 1997
October 113.0°F — Oct 1, 2024 46.0°F — Oct 23, 1996 1.02 in — Oct 31, 1987
November 96.1°F — Nov 3, 2010 35.1°F — Nov 30, 2010 2.22 in — Nov 26, 2008
December 84.9°F — Dec 1, 2021 30.9°F — Dec 26, 1987 1.82 in — Dec 9, 1982

Click a month to see every daily record for that month in Somerton.