Grand Rapids, MI
Michigan · Records since 1892–2026
Records for August 11
🔥 Record High
August 11, 1947
+14° from 82° normal❄ Record Low
August 11, 1967
-19° from 62° normalAll-Time Records — Grand Rapids
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 96°F | August 11, 1947 |
| 2 | 94°F | August 11, 1944 |
| 3 | 93°F | August 11, 1941 |
| 4 | 92°F | August 11, 1935 |
| 5 | 92°F | August 11, 1900 |
| 6 | 92°F | August 11, 1899 |
| 7 | 91°F | August 11, 2016 |
| 8 | 91°F | August 11, 2007 |
| 9 | 91°F | August 11, 1988 |
| 10 | 91°F | August 11, 1937 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 43°F | August 11, 1967 |
| 2 | 46°F | August 11, 1968 |
| 3 | 47°F | August 11, 1982 |
| 4 | 48°F | August 11, 1965 |
| 5 | 49°F | August 11, 1954 |
Heat Wave Summary — Grand Rapids
threshold: 90°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date114 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1892–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Grand Rapids
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 14, 1901 – Jul 24, 1901 | 11 | 97°F (Jul 17) | 94°F | 69°F |
| 2 | Aug 25, 1953 – Sep 3, 1953 | 10 | 97°F (Aug 31) | 94°F | 65°F |
| 3 | Jul 22, 1916 – Jul 30, 1916 | 9 | 103°F (Jul 29) | 98°F | 73°F |
| 4 | Jul 3, 1897 – Jul 11, 1897 | 9 | 100°F (Jul 4) | 97°F | 69°F |
| 5 | Jul 7, 1936 – Jul 14, 1936 | 8 | 108°F (Jul 13) | 102°F | 76°F |
| 6 | Jul 18, 1934 – Jul 25, 1934 | 8 | 104°F (Jul 21) | 98°F | 72°F |
| 7 | Jun 30, 1921 – Jul 7, 1921 | 8 | 100°F (Jul 5) | 96°F | 72°F |
| 8 | Aug 17, 1947 – Aug 24, 1947 | 8 | 98°F (Aug 24) | 96°F | 70°F |
| 9 | Aug 22, 1948 – Aug 29, 1948 | 8 | 98°F (Aug 24) | 94°F | 69°F |
| 10 | Aug 4, 1900 – Aug 11, 1900 | 8 | 96°F (Aug 5) | 94°F | 73°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
25th-warmest month on record
19th-warmest July of 133 on record
+2.5° vs. 72.4° average (1991–2020)Longest 90°F Streak in July
3 consecutive days with highs of at least 90°F (Jul 13–15, 2026, peaking at 98°F)
Ties the longest July streak since 2025 (1 year). The July record is 11 days, set in 1901.
Average July Temperature by Year
1892–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1921 | 79.7°F |
| 2 | 2012 | 79.2°F |
| 3 | 1916 | 78.7°F |
| 4 | 1901 | 78.1°F |
| 5 | 1936 | 77.3°F |
| 6 | 2011 | 77.1°F |
| 7 | 1955 | 76.9°F |
| 8 | 1934 | 76.8°F |
| 9 | 1935 | 76.5°F |
| 10 | 1897 | 76.3°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1921 | 79.7°F |
| 2 | July 2012 | 79.2°F |
| 3 | July 1916 | 78.7°F |
| 4 | July 1901 | 78.1°F |
| 5 | August 1947 | 77.7°F |
| 6 | July 1936 | 77.3°F |
| 7 | July 2011 | 77.1°F |
| 8 | July 1955 | 76.9°F |
| 9 | July 1934 | 76.8°F |
| 10 | July 1935 | 76.5°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Grand Rapids, MI | 74.9°F | 19th of 133 |
| Holland, MI | 73.4°F | 25th of 118 |
| Muskegon, MI | 73.1°F | 19th of 131 |
| Kalamazoo, MI | 74.2°F | 37th of 129 |