Phoenix, Arizona, United States weather records
Record high and low temperatures for Phoenix, Arizona, United States, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 123°F on 1995-07-28; its coldest fell to 18°F on 1990-12-23.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 86°F2003-01-31
43°F2013-01-14
|
58°F2009-01-22
21°F2007-01-14
|
| February | 92°F2026-02-28
41°F2011-02-02
|
60°F2026-02-28
21°F2011-02-03
|
| March | 105°F2026-03-19
49°F2006-03-11
|
70°F2026-03-24
28°F1990-03-14
|
| April | 104°F2012-04-22
51°F1999-04-04
|
74°F2018-04-27
34°F1999-04-03
|
| May | 111°F2020-05-29
64°F2008-05-23
|
81°F2003-05-28
41°F1988-05-02
|
| June | 121°F1990-06-26
71°F1991-06-01
|
87°F2021-06-17
55°F1999-06-04
|
| July | 123°F1995-07-28
79°F1986-07-21
|
90°F2017-07-08
64°F1992-07-02
|
| August | 118°F2025-08-07
76°F1990-08-14
|
88°F2011-08-31
64°F1990-08-23
|
| September | 114°F2020-09-05
74°F1986-09-24
|
86°F2024-09-06
52°F1986-09-24
|
| October | 110°F2024-10-01
56°F1996-10-26
|
80°F2024-10-01
37°F1991-10-31
|
| November | 97°F2020-11-05
51°F1991-11-30
|
74°F2001-11-04
28°F1994-11-20
|
| December | 85°F2021-12-01
40°F1987-12-26
|
61°F2017-12-01
18°F1990-12-23
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 92°F2026-02-28
40°F1987-12-26
|
61°F2017-12-01
18°F1990-12-23
|
| Spring (Mar–May) | 111°F2020-05-29
49°F2006-03-11
|
81°F2003-05-28
28°F1990-03-14
|
| Summer (Jun–Aug) | 123°F1995-07-28
71°F1991-06-01
|
90°F2017-07-08
55°F1999-06-04
|
| Autumn (Sep–Nov) | 114°F2020-09-05
51°F1991-11-30
|
86°F2024-09-06
28°F1994-11-20
|
All-time records
The most extreme value Phoenix has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.