McAllen, TX
Texas · Records since 1941–2026
Records for August 11
🔥 Record High
August 11, 2016
+7° from 100° normal❄ Record Low
August 11, 2001
-11° from 79° normalAll-Time Records — McAllen
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 107°F | August 11, 2016 |
| 2 | 105°F | August 11, 2012 |
| 3 | 105°F | August 11, 2009 |
| 4 | 104°F | August 11, 2015 |
| 5 | 103°F | August 11, 2019 |
| 6 | 103°F | August 11, 2011 |
| 7 | 103°F | August 11, 1998 |
| 8 | 103°F | August 11, 1992 |
| 9 | 103°F | August 11, 1988 |
| 10 | 103°F | August 11, 1986 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 68°F | August 11, 2001 |
| 2 | 69°F | August 11, 1976 |
| 3 | 69°F | August 11, 1950 |
| 4 | 72°F | August 11, 1981 |
| 5 | 72°F | August 11, 1965 |
Heat Wave Summary — McAllen
threshold: 102°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date143 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1941–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — McAllen
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 15, 2009 – Aug 8, 2009 | 25 | 107°F (Jul 20) | 105°F | 82°F |
| 2 | Aug 10, 2019 – Aug 31, 2019 | 22 | 106°F (Aug 12) | 104°F | 80°F |
| 3 | Jul 31, 2023 – Aug 20, 2023 | 21 | 105°F (Aug 4) | 103°F | 80°F |
| 4 | Jul 28, 2016 – Aug 13, 2016 | 17 | 107°F (Aug 11) | 104°F | 80°F |
| 5 | Aug 3, 2015 – Aug 19, 2015 | 17 | 106°F (Aug 13) | 104°F | 80°F |
| 6 | Jul 17, 2018 – Aug 1, 2018 | 16 | 109°F (Jul 24) | 104°F | 81°F |
| 7 | Aug 15, 2018 – Aug 30, 2018 | 16 | 106°F (Aug 23) | 104°F | 81°F |
| 8 | Sep 3, 2023 – Sep 15, 2023 | 13 | 105°F (Sep 4) | 103°F | 79°F |
| 9 | Jun 15, 2017 – Jun 24, 2017 | 10 | 111°F (Jun 22) | 104°F | 80°F |
| 10 | Jul 24, 2026 – Aug 2, 2026 | 10 | 107°F (Aug 1) | 104°F | 80°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
6th-warmest month on record
3rd-warmest July of 86 on record
+3.1° vs. 87.7° 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 108°F)
Ties the longest July streak since 2022 (4 years).
Average July Temperature by Year
1941–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2009 | 92.8°F |
| 2 | 2016 | 91.3°F |
| 3 | 2026 | 90.8°F |
| 4 | 1998 | 90.1°F |
| 5 | 2018 | 90.0°F |
| 6 | 2017 | 89.8°F |
| 7 | 1980 | 89.6°F |
| 8 | 2022 | 89.5°F |
| 9 | 2023 | 89.4°F |
| 10 | 2015 | 89.1°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2009 | 92.8°F |
| 2 | August 2019 | 91.6°F |
| 3 | August 2009 | 91.4°F |
| 4 | July 2016 | 91.3°F |
| 5 | August 2018 | 91.2°F |
| 6 | July 2026 | 90.8°F |
| 7 | August 2017 | 90.7°F |
| 8 | August 2016 | 90.7°F |
| 9 | August 2023 | 90.5°F |
| 10 | August 2012 | 90.4°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| McAllen, TX | 90.8°F | 3rd of 86 |
| Brownsville, TX | 88.3°F | 2nd of 143 |
| Corpus Christi, TX | 85.7°F | 12th of 140 |
| Laredo, TX | 89.9°F | 18th of 106 |
| Victoria, TX | 84.7°F | 52nd of 113 |