When does Phoenix typically hit 100 degrees? How about 110 in Yuma? The following list provides official 30-year averages for certain temperature thresholds, as well as the earliest and latest days of occurrence for each if these cities.
Phoenix, AZ
|
| Temperature |
Average First Date
of Occurrence
(1991-2020) |
Average Last Date
of Occurrence
(1991-2020) |
Earliest
(1896-Present) |
Latest
(1896-Present) |
| 85° F |
Mar 6 |
Nov 11 |
Jan 19, 1971 |
Dec 29, 1980 |
| 86° F |
Mar 13 |
Nov 10 |
Jan 19, 1971 |
Dec 16, 1980 |
| 87° F |
Mar 17 |
Nov 9 |
Jan 19, 1971 |
Dec 10, 1950 |
| 88° F |
Mar 20 |
Nov 5 |
Jan 19, 1971 |
Nov 26, 2017 |
| 89° F |
Mar 25 |
Nov 2 |
Feb 7, 1963 |
Nov 26, 2017 |
| 90° F |
Mar 30 |
Oct 30 |
Feb 17, 2016 |
Nov 17, 2020 |
| 91° F |
Apr 1 |
Oct 26 |
Feb 24, 1904 |
Nov 17, 2020 |
| 92° F |
Apr 3 |
Oct 24 |
Feb 25, 1921 |
Nov 17, 2020 |
| 93° F |
Apr 6 |
Oct 22 |
Mar 5, 1972 |
Nov 12, 1999 |
| 94° F |
Apr 9 |
Oct 19 |
Mar 10, 1989 |
Nov 6, 2007 |
| 95° F |
Apr 12 |
Oct 18 |
Mar 10, 1989 |
Nov 5, 2020 |
| 96° F |
Apr 14 |
Oct 16 |
Mar 16, 2007 |
Nov 5, 2020 |
| 97° F |
Apr 19 |
Oct 13 |
Mar 16, 2007 |
Nov 5, 2020 |
| 98° F |
Apr 24 |
Oct 11 |
Mar 16, 2007 |
Nov 5, 2020 |
| 99° F |
Apr 28 |
Oct 8 |
Mar 16, 2007 |
Nov 5, 2020 |
| 100° F |
May 2 |
Oct 5 |
Mar 26, 1988 |
Oct 27, 2016 |
| 101° F |
May 9 |
Oct 1 |
Apr 6, 1989 |
Oct 22, 2003 |
| 102° F |
May 14 |
Sep 29 |
Apr 6, 1989 |
Oct 22, 2003 |
| 103° F |
May 18 |
Sep 26 |
Apr 7, 1989 |
Oct 21, 2003 |
| 104° F |
May 20 |
Sep 22 |
Apr 7, 1989 |
Oct 10, 1991 |
| 105° F |
May 22 |
Sep 20 |
Apr 20, 1989 |
Oct 10, 1991 |
| 106° F |
May 27 |
Sep 17 |
May 2, 1947 |
Oct 2, 2020 |
| 107° F |
May 31 |
Sep 14 |
May 2, 1947 |
Oct 2, 1980 |
| 108° F |
Jun 4 |
Sep 6 |
May 3, 1947 |
Sep 28, 1992 |
| 109° F |
Jun 7 |
Aug 30 |
May 3, 1947 |
Sep 22, 1989 |
| 110° F |
Jun 11 |
Aug 26 |
May 8, 1989 |
Sep 19, 2010 |
Yuma, AZ
|
| Temperature |
Average First Date
of Occurrence
(1991-2020) |
Average Last Date
of Occurrence
(1991-2020) |
Earliest
(1878-Present) |
Latest
(1878-Present) |
| 85 °F |
Feb 23 |
Nov 11 |
Jan 17, 2011 |
Dec 12, 1958 |
| 86 °F |
Feb 27 |
Nov 9 |
Jan 17, 2011 |
Dec 3, 1958 |
| 87 °F |
Mar 7 |
Nov 8 |
Jan 19, 1971 |
Nov 29, 1950 |
| 88 °F |
Mar 13 |
Nov 6 |
Jan 19, 1971 |
Nov 27, 1950 |
| 89 °F |
Mar 17 |
Nov 3 |
Feb 3, 1963 |
Nov 26, 2017 |
| 90 °F |
Mar 21 |
Nov 1 |
Feb 3, 1963 |
Nov 26, 2017 |
| 91 °F |
Mar 22 |
Oct 31 |
Feb 3, 1963 |
Nov 23, 2017 |
| 92 °F |
Mar 28 |
Oct 28 |
Feb 4, 1963 |
Nov 14, 1906 |
| 93 °F |
Mar 31 |
Oct 24 |
Feb 10, 1951 |
Nov 14, 1906 |
| 94 °F |
Apr 4 |
Oct 22 |
Feb 14, 1957 |
Nov 9, 1980 |
| 95 °F |
Apr 8 |
Oct 18 |
Feb 25, 1986 |
Nov 6, 1988 |
| 96 °F |
Apr 11 |
Oct 16 |
Feb 26, 1986 |
Nov 6, 1988 |
| 97 °F |
Apr 16 |
Oct 14 |
Feb 28, 1986 |
Nov 5, 1980 |
| 98 °F |
Apr 18 |
Oct 11 |
Mar 4, 1910 |
Nov 3, 1962 |
| 99 °F |
Apr 22 |
Oct 9 |
Mar 10, 1916 |
Oct 25, 1959 |
| 100 °F |
Apr 25 |
Oct 6 |
Mar 12, 1916 |
Oct 25, 1959 |
| 101 °F |
Apr 29 |
Oct 5 |
Mar 17, 2007 |
Oct 24, 1959 |
| 102 °F |
May 7 |
Oct 3 |
Mar 21, 2004 |
Oct 24, 1959 |
| 103 °F |
May 11 |
Oct 1 |
Apr 3, 1961 |
Oct 24, 1959 |
| 104 °F |
May 18 |
Sep 29 |
Apr 4, 1961 |
Oct 24, 1959 |
| 105 °F |
May 23 |
Sep 26 |
Apr 6, 1989 |
Oct 24, 1959 |
| 106 °F |
May 26 |
Sep 24 |
Apr 6, 1989 |
Oct 16, 1958 |
| 107 °F |
May 30 |
Sep 21 |
Apr 6, 1989 |
Oct 12, 1950 |
| 108 °F |
Jun 2 |
Sep 18 |
May 2, 1947 |
Oct 12, 1950 |
| 109 °F |
Jun 5 |
Sep 11 |
May 2, 1947 |
Oct 12, 1950 |
| 110 °F |
Jun 11 |
Sep 6 |
May 2, 1947 |
Oct 2, 1980 |
|
El Centro, CA
|
| Temperature |
Average First Date
of Occurrence
(1991-2020) |
Average Last Date
of Occurrence
(1991-2020) |
Earliest
(1926-Present) |
Latest
(1926-Present) |
| 85 °F |
Feb 22 |
Nov 11 |
Jan 7, 1962 |
Dec 24, 1964 |
| 86 °F |
Feb 28 |
Nov 10 |
Jan 7, 1962 |
Dec 24, 1964 |
| 87 °F |
Mar 3 |
Nov 9 |
Jan 7, 1962 |
Dec 24, 1964 |
| 88 °F |
Mar 10 |
Nov 5 |
Jan 18, 1971 |
Dec 7, 1938 |
| 89 °F |
Mar 15 |
Nov 4 |
Jan 18, 1971 |
Dec 3, 1958 |
| 90 °F |
Mar 18 |
Nov 2 |
Jan 19, 1971 |
Dec 3, 1958 |
| 91 °F |
Mar 23 |
Oct 31 |
Feb 6, 1963 |
Nov 23, 2017 |
| 92 °F |
Mar 28 |
Oct 27 |
Feb 24, 1986 |
Nov 15, 1967 |
| 93 °F |
Apr 2 |
Oct 26 |
Feb 25, 1986 |
Nov 7, 2008 |
| 94 °F |
Apr 5 |
Oct 24 |
Feb 25, 1986 |
Nov 7, 2008 |
| 95 °F |
Apr 8 |
Oct 20 |
Feb 26, 1986 |
Nov 7, 2008 |
| 96 °F |
Apr 12 |
Oct 16 |
Feb 27, 1986 |
Nov 7, 2008 |
| 97 °F |
Apr 15 |
Oct 14 |
Mar 6, 1972 |
Nov 7, 2008 |
| 98 °F |
Apr 19 |
Oct 12 |
Mar 15, 1934 |
Nov 7, 2008 |
| 99 °F |
Apr 25 |
Oct 11 |
Mar 15, 1934 |
Nov 7, 2008 |
| 100 °F |
Apr 28 |
Oct 9 |
Mar 15, 1934 |
Nov 7, 2008 |
| 101 °F |
May 5 |
Oct 6 |
Mar 17, 2007 |
Nov 7, 2008 |
| 102 °F |
May 12 |
Oct 3 |
Apr 4, 1961 |
Oct 23, 2003 |
| 103 °F |
May 16 |
Sep 29 |
Apr 4, 1961 |
Oct 21, 2003 |
| 104 °F |
May 19 |
Sep 28 |
Apr 6, 1989 |
Oct 21, 2003 |
| 105 °F |
May 22 |
Sep 25 |
Apr 7, 1989 |
Oct 12, 1965 |
| 106 °F |
May 25 |
Sep 24 |
Apr 28, 2007 |
Oct 12, 1965 |
| 107 °F |
May 31 |
Sep 21 |
May 2, 1947 |
Oct 3, 2012 |
| 108 °F |
Jun 4 |
Sep 15 |
May 2, 1947 |
Oct 3, 1952 |
| 109 °F |
Jun 6 |
Sep 10 |
May 2, 1947 |
Oct 1, 1980 |
| 110 °F |
Jun 14 |
Sep 5 |
May 2, 1947 |
Oct 1, 1980 |
|
|
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