Rochester, MN
Minnesota · Records since 1886–2026
Records for August 11
🔥 Record High
August 11, 1947
+17° from 78° normal❄ Record Low
August 11, 1946
-18° from 59° normalAll-Time Records — Rochester
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 95°F | August 11, 1947 |
| 2 | 92°F | August 11, 1936 |
| 3 | 92°F | August 11, 1935 |
| 4 | 91°F | August 11, 1988 |
| 5 | 90°F | August 11, 1995 |
| 6 | 90°F | August 11, 1976 |
| 7 | 90°F | August 11, 1941 |
| 8 | 90°F | August 11, 1886 |
| 9 | 89°F | August 11, 2010 |
| 10 | 89°F | August 11, 1949 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 41°F | August 11, 1946 |
| 2 | 42°F | August 11, 1930 |
| 3 | 44°F | August 11, 1982 |
| 4 | 44°F | August 11, 1968 |
| 5 | 45°F | August 11, 1986 |
Heat Wave Summary — Rochester
threshold: 90°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date132 of 222 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1886–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Rochester
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 5, 1936 – Jul 18, 1936 | 14 | 108°F (Jul 14) | 102°F | 68°F |
| 2 | Jul 21, 1941 – Aug 1, 1941 | 12 | 99°F (Jul 24) | 94°F | 68°F |
| 3 | Jul 12, 1932 – Jul 21, 1932 | 10 | 99°F (Jul 20) | 94°F | 67°F |
| 4 | Jul 22, 1916 – Jul 31, 1916 | 10 | 98°F (Jul 28) | 95°F | 67°F |
| 5 | Jun 18, 1943 – Jun 27, 1943 | 10 | 98°F (Jun 26) | 92°F | 70°F |
| 6 | Jun 17, 1910 – Jun 26, 1910 | 10 | 97°F (Jun 24) | 94°F | 62°F |
| 7 | Jun 22, 1934 – Jun 30, 1934 | 9 | 105°F (Jun 27) | 96°F | 60°F |
| 8 | Aug 25, 1953 – Sep 2, 1953 | 9 | 93°F (Aug 31) | 91°F | 66°F |
| 9 | Jul 27, 1988 – Aug 3, 1988 | 8 | 102°F (Jul 31) | 96°F | 66°F |
| 10 | Jul 28, 1955 – Aug 4, 1955 | 8 | 100°F (Jul 28) | 97°F | 72°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
14th-warmest month on record
11th-warmest July of 113 on record
+3.6° vs. 70.6° average (1991–2020)Longest 90°F Streak in July
4 consecutive days with highs of at least 90°F (Jul 14–17, 2026, peaking at 92°F)
The longest July streak since 2012 (14 years). The July record is 14 days, set in 1936.
Average July Temperature by Year
1886–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1936 | 77.7°F |
| 2 | 1916 | 77.3°F |
| 3 | 1955 | 77.2°F |
| 4 | 2012 | 77.1°F |
| 5 | 1935 | 75.4°F |
| 6 | 1949 | 75.2°F |
| 7 | 2011 | 75.1°F |
| 8 | 1957 | 75.0°F |
| 9 | 1974 | 74.5°F |
| 10 | 2006 | 74.3°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1936 | 77.7°F |
| 2 | July 1916 | 77.3°F |
| 3 | July 1955 | 77.2°F |
| 4 | July 2012 | 77.1°F |
| 5 | August 1947 | 77.0°F |
| 6 | July 1935 | 75.4°F |
| 7 | July 1949 | 75.2°F |
| 8 | July 2011 | 75.1°F |
| 9 | July 1957 | 75.0°F |
| 10 | July 1974 | 74.5°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Rochester, MN | 74.2°F | 11th of 113 |
| La Crosse, WI | 76.4°F | 20th of 154 |
| Minneapolis-St Paul, MN | 78.9°F | 6th of 154 |
| Eau Claire, WI | 74.4°F | 26th of 133 |
| Waterloo, IA | 75.8°F | 27th of 132 |