Tucson, AZ
Arizona · Records since 1894–2026
☀️ 104°F
Currently in Tucson
As of 5:00 PM MST
Records for July 28
🔥 Record High
114°F
July 28, 1995
+15° from 99° normal❄ Record Low
62°F
July 28, 1913
-14° from 76° normal
🌞 Normal high: 99°F 🌑 Normal low: 76°F 1991–2020 normals
All-Time Records — Tucson
117°F
Hottest Day Ever
Jun 26, 1990
6°F
Coldest Day Ever
Jan 7, 1913
3.93"
Wettest Day Ever
Jul 29, 1958
6.8"
Most Snow in One Day
Dec 8, 1971
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 114°F | July 28, 1995 |
| 2 | 109°F | July 28, 2023 |
| 3 | 109°F | July 28, 1993 |
| 4 | 108°F | July 28, 2020 |
| 5 | 108°F | July 28, 2009 |
| 6 | 108°F | July 28, 1954 |
| 7 | 107°F | July 28, 1991 |
| 8 | 106°F | July 28, 1994 |
| 9 | 106°F | July 28, 1942 |
| 10 | 106°F | July 28, 1898 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 62°F | July 28, 1913 |
| 2 | 64°F | July 28, 1908 |
| 3 | 65°F | July 28, 1909 |
| 4 | 67°F | July 28, 1921 |
| 5 | 67°F | July 28, 1915 |
Heat Wave Summary — Tucson
threshold: 106°F (90th percentile of historical Jun–Aug highs)4.9
Avg heat wave length
days (historical)
109°
Avg peak temp
during heat waves
53
Dangerous nights 2026
Overnights ≥ 70°F
2
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
130 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1894–202698
2026 so far
146
Avg/year 1970–2025
168
Avg/year (last 10 complete)
190
Most in a year (2017)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Tucson
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 13, 2023 – Jul 30, 2023 | 18 | 112°F (Jul 18) | 110°F | 81°F |
| 2 | Jul 24, 1995 – Aug 9, 1995 | 17 | 114°F (Jul 28) | 108°F | 78°F |
| 3 | Aug 8, 2020 – Aug 20, 2020 | 13 | 111°F (Aug 13) | 108°F | 80°F |
| 4 | Jun 23, 1994 – Jul 4, 1994 | 12 | 116°F (Jun 29) | 111°F | 80°F |
| 5 | Jul 2, 2024 – Jul 13, 2024 | 12 | 112°F (Jul 8) | 109°F | 80°F |
| 6 | Jun 27, 2005 – Jul 8, 2005 | 12 | 110°F (Jul 5) | 107°F | 76°F |
| 7 | Jun 18, 1990 – Jun 28, 1990 | 11 | 117°F (Jun 26) | 111°F | 77°F |
| 8 | Jun 18, 2017 – Jun 28, 2017 | 11 | 116°F (Jun 20) | 111°F | 82°F |
| 9 | Jun 14, 2008 – Jun 24, 2008 | 11 | 111°F (Jun 21) | 108°F | 75°F |
| 10 | Jun 26, 2007 – Jul 6, 2007 | 11 | 110°F (Jul 4) | 108°F | 78°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
33
2026 so far
above-normal nights
28.6
Avg / summer
1970–2020
68
Most in a summer
2024
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
4.26"
2026 YTD
Normal: 4.69"
-0.43"
0.70"
July so far
July normal: 2.21"
-1.51"
1.75"
Summer so far
Summer normal: 4.42"
-2.67"
0
2026 heavy rain days
Days with ≥ 1.0"
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")