Stillwater, OK
Oklahoma · Records since 1893–2026
Records for August 11
🔥 Record High
August 11, 1936
+19° from 96° normal❄ Record Low
August 11, 1931
-17° from 72° normalAll-Time Records — Stillwater
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 115°F | August 11, 1936 |
| 2 | 107°F | August 11, 1999 |
| 3 | 107°F | August 11, 1956 |
| 4 | 106°F | August 11, 2010 |
| 5 | 106°F | August 11, 1943 |
| 6 | 106°F | August 11, 1935 |
| 7 | 105°F | August 11, 1964 |
| 8 | 105°F | August 11, 1954 |
| 9 | 105°F | August 11, 1944 |
| 10 | 104°F | August 11, 1976 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 55°F | August 11, 1931 |
| 2 | 57°F | August 11, 1960 |
| 3 | 58°F | August 11, 2012 |
| 4 | 58°F | August 11, 1965 |
| 5 | 59°F | August 11, 2004 |
Heat Wave Summary — Stillwater
threshold: 101°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date128 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1893–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Stillwater
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 25, 1956 – Aug 19, 1956 | 26 | 111°F (Aug 6) | 106°F | 76°F |
| 2 | Jul 2, 1954 – Jul 25, 1954 | 24 | 113°F (Jul 14) | 106°F | 77°F |
| 3 | Aug 7, 1936 – Aug 27, 1936 | 21 | 115°F (Aug 11) | 106°F | 79°F |
| 4 | Jul 17, 2012 – Aug 4, 2012 | 19 | 114°F (Aug 1) | 107°F | 78°F |
| 5 | Jul 10, 1934 – Jul 26, 1934 | 17 | 109°F (Jul 20) | 105°F | 77°F |
| 6 | Aug 19, 2000 – Sep 4, 2000 | 17 | 109°F (Sep 2) | 105°F | 72°F |
| 7 | Jul 13, 2022 – Jul 27, 2022 | 15 | 112°F (Jul 19) | 107°F | 75°F |
| 8 | Jul 29, 1934 – Aug 12, 1934 | 15 | 110°F (Jul 31) | 106°F | 80°F |
| 9 | Jul 26, 2011 – Aug 8, 2011 | 14 | 113°F (Aug 2) | 109°F | 77°F |
| 10 | Aug 29, 1939 – Sep 10, 1939 | 13 | 110°F (Sep 2) | 104°F | 71°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
39th-warmest month on record
22nd-warmest July of 128 on record
+1.5° vs. 82.8° average (1991–2020)Longest 90°F Streak in July
11 consecutive days with highs of at least 90°F (Jul 1–11, 2026, peaking at 98°F)
The longest July streak since 2025 (1 year). The July record is 31 days, set in 1954.
Average July Temperature by Year
1894–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2011 | 91.4°F |
| 2 | 1954 | 90.3°F |
| 3 | 1934 | 88.7°F |
| 4 | 2022 | 88.6°F |
| 5 | 2012 | 88.5°F |
| 6 | 1936 | 87.8°F |
| 7 | 1980 | 87.4°F |
| 8 | 2006 | 86.6°F |
| 9 | 2001 | 86.3°F |
| 10 | 1901 | 86.2°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2011 | 91.4°F |
| 2 | July 1954 | 90.3°F |
| 3 | August 1936 | 89.4°F |
| 4 | July 1934 | 88.7°F |
| 5 | July 2022 | 88.6°F |
| 6 | July 2012 | 88.5°F |
| 7 | August 2011 | 88.4°F |
| 8 | August 1956 | 88.0°F |
| 9 | July 1936 | 87.8°F |
| 10 | August 1954 | 87.4°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Stillwater, OK | 84.4°F | 22nd of 128 |
| Oklahoma City, OK | 83.8°F | 28th of 136 |
| Tulsa, OK | 85.4°F | 19th of 122 |
| Wichita, KS | 83.4°F | 24th of 139 |
| Lawton, OK | 85.8°F | 17th of 105 |