Phoenix, AZ
Arizona · Records since 1895–2026
Records for August 11
🔥 Record High
August 11, 1962
+8° from 105° normal❄ Record Low
August 11, 1949
-19° from 84° normalAll-Time Records — Phoenix
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 113°F | August 11, 1962 |
| 2 | 113°F | August 11, 1933 |
| 3 | 112°F | August 11, 2025 |
| 4 | 112°F | August 11, 1994 |
| 5 | 111°F | August 11, 2004 |
| 6 | 111°F | August 11, 2003 |
| 7 | 111°F | August 11, 1993 |
| 8 | 111°F | August 11, 1992 |
| 9 | 110°F | August 11, 2012 |
| 10 | 110°F | August 11, 1996 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 65°F | August 11, 1949 |
| 2 | 67°F | August 11, 1918 |
| 3 | 68°F | August 11, 1900 |
| 4 | 69°F | August 11, 1945 |
| 5 | 70°F | August 11, 1925 |
Heat Wave Summary — Phoenix
threshold: 110°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date169 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1895–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Phoenix
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jun 30, 2023 – Jul 30, 2023 | 31 | 119°F (Jul 19) | 115°F | 91°F |
| 2 | Jun 12, 1974 – Jun 29, 1974 | 18 | 116°F (Jun 23) | 113°F | 80°F |
| 3 | Jul 25, 1995 – Aug 10, 1995 | 17 | 121°F (Jul 28) | 114°F | 87°F |
| 4 | Jul 27, 2025 – Aug 9, 2025 | 14 | 118°F (Aug 7) | 113°F | 89°F |
| 5 | Jul 2, 2024 – Jul 13, 2024 | 12 | 118°F (Jul 5) | 115°F | 92°F |
| 6 | Jun 26, 2007 – Jul 7, 2007 | 12 | 116°F (Jul 4) | 112°F | 86°F |
| 7 | Jul 17, 2024 – Jul 28, 2024 | 12 | 114°F (Jul 24) | 112°F | 89°F |
| 8 | Jun 17, 2017 – Jun 27, 2017 | 11 | 119°F (Jun 20) | 114°F | 87°F |
| 9 | Jul 4, 2020 – Jul 14, 2020 | 11 | 116°F (Jul 12) | 112°F | 89°F |
| 10 | Jun 14, 2008 – Jun 24, 2008 | 11 | 115°F (Jun 21) | 112°F | 84°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")
Month in Review — July 2026
Average temperature · July 2026
11th-warmest month on record
6th-warmest July of 131 on record
+2.0° vs. 95.4° average (1991–2020)Longest 90°F Streak in July
31 consecutive days with highs of at least 90°F (Jul 1–31, 2026, peaking at 117°F)
Ties the longest July streak since 2025 (1 year).
Average July Temperature by Year
1896–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2023 | 102.7°F |
| 2 | 2024 | 101.1°F |
| 3 | 2020 | 98.9°F |
| 4 | 2009 | 98.3°F |
| 5 | 2003 | 97.6°F |
| 6 | 1989 | 97.4°F |
| 7 | 2026 | 97.4°F |
| 8 | 2005 | 97.2°F |
| 9 | 2016 | 97.1°F |
| 10 | 2025 | 96.9°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2023 | 102.7°F |
| 2 | July 2024 | 101.1°F |
| 3 | August 2020 | 99.1°F |
| 4 | July 2020 | 98.9°F |
| 5 | August 2023 | 98.8°F |
| 6 | August 2024 | 98.7°F |
| 7 | July 2009 | 98.3°F |
| 8 | August 2011 | 98.3°F |
| 9 | August 2025 | 98.2°F |
| 10 | July 2003 | 97.6°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Phoenix, AZ | 97.4°F | 6th of 131 |
| Oracle, AZ | 82.2°F | 11th of 112 |
| Tucson, AZ | 89.8°F | 12th of 131 |
| Flagstaff, AZ | 68.5°F | 9th of 128 |
| Winslow, AZ | 80.5°F | 13th of 112 |