Huron, SD
South Dakota · Records since 1881–2026
Records for August 11
🔥 Record High
August 11, 1965
+21° from 84° normal❄ Record Low
August 11, 1902
-23° from 60° normalAll-Time Records — Huron
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 105°F | August 11, 1965 |
| 2 | 100°F | August 11, 1988 |
| 3 | 100°F | August 11, 1936 |
| 4 | 99°F | August 11, 1933 |
| 5 | 97°F | August 11, 2000 |
| 6 | 97°F | August 11, 1959 |
| 7 | 96°F | August 11, 1963 |
| 8 | 96°F | August 11, 1958 |
| 9 | 96°F | August 11, 1949 |
| 10 | 96°F | August 11, 1922 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 37°F | August 11, 1902 |
| 2 | 40°F | August 11, 1893 |
| 3 | 42°F | August 11, 1964 |
| 4 | 44°F | August 11, 1977 |
| 5 | 44°F | August 11, 1946 |
Heat Wave Summary — Huron
threshold: 94°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date128 of 222 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1881–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Huron
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 2, 1936 – Jul 19, 1936 | 18 | 110°F (Jul 17) | 103°F | 72°F |
| 2 | Jul 5, 1974 – Jul 17, 1974 | 13 | 106°F (Jul 13) | 99°F | 68°F |
| 3 | Jul 31, 1941 – Aug 10, 1941 | 11 | 104°F (Aug 3) | 99°F | 71°F |
| 4 | Jul 19, 1960 – Jul 29, 1960 | 11 | 103°F (Jul 21) | 98°F | 65°F |
| 5 | Jul 14, 1964 – Jul 23, 1964 | 10 | 108°F (Jul 23) | 101°F | 69°F |
| 6 | Jun 28, 1975 – Jul 7, 1975 | 10 | 101°F (Jul 4) | 97°F | 68°F |
| 7 | Jul 25, 1987 – Aug 2, 1987 | 9 | 101°F (Jul 31) | 98°F | 70°F |
| 8 | Jul 17, 1934 – Jul 24, 1934 | 8 | 111°F (Jul 20) | 104°F | 74°F |
| 9 | Jul 28, 1955 – Aug 4, 1955 | 8 | 105°F (Jul 31) | 101°F | 72°F |
| 10 | Aug 17, 1976 – Aug 24, 1976 | 8 | 103°F (Aug 21) | 100°F | 69°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
17th-warmest month on record
14th-warmest July of 146 on record
+4.3° vs. 73.8° average (1991–2020)Longest 90°F Streak in July
9 consecutive days with highs of at least 90°F (Jul 10–18, 2026, peaking at 100°F)
The longest July streak since 2012 (14 years). The July record is 23 days, set in 1974.
Average July Temperature by Year
1881–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1936 | 84.5°F |
| 2 | 1935 | 80.7°F |
| 3 | 2012 | 80.3°F |
| 4 | 1955 | 79.6°F |
| 5 | 2002 | 79.6°F |
| 6 | 1974 | 79.2°F |
| 7 | 1964 | 78.6°F |
| 8 | 1975 | 78.6°F |
| 9 | 2011 | 78.6°F |
| 10 | 1940 | 78.5°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1936 | 84.5°F |
| 2 | July 1935 | 80.7°F |
| 3 | July 2012 | 80.3°F |
| 4 | July 1955 | 79.6°F |
| 5 | July 2002 | 79.6°F |
| 6 | August 1937 | 79.5°F |
| 7 | July 1974 | 79.2°F |
| 8 | August 1983 | 78.9°F |
| 9 | July 1964 | 78.6°F |
| 10 | July 1975 | 78.6°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Huron, SD | 78.1°F | 14th of 146 |
| Mitchell, SD | 78.7°F | 17th of 127 |
| Aberdeen, SD | 75.6°F | 20th of 131 |
| Sioux Falls, SD | 77.1°F | 19th of 134 |
| Sisseton, SD | 74.5°F | 23rd of 90 |