Jackson, MS
Mississippi · Records since 1896–2026
Records for August 11
🔥 Record High
August 11, 1954
+10° from 93° normal❄ Record Low
August 11, 1990
-13° from 72° normalAll-Time Records — Jackson
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 103°F | August 11, 1954 |
| 2 | 102°F | August 11, 2023 |
| 3 | 102°F | August 11, 2007 |
| 4 | 101°F | August 11, 1924 |
| 5 | 100°F | August 11, 1902 |
| 6 | 99°F | August 11, 1935 |
| 7 | 99°F | August 11, 1925 |
| 8 | 98°F | August 11, 2010 |
| 9 | 98°F | August 11, 1973 |
| 10 | 98°F | August 11, 1952 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 59°F | August 11, 1990 |
| 2 | 61°F | August 11, 1967 |
| 3 | 62°F | August 11, 1989 |
| 4 | 62°F | August 11, 1922 |
| 5 | 63°F | August 11, 1931 |
Heat Wave Summary — Jackson
threshold: 98°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date136 of 219 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1896–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Jackson
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jun 24, 1902 – Jul 14, 1902 | 21 | 105°F (Jul 4) | 101°F | 71°F |
| 2 | Aug 10, 1902 – Aug 27, 1902 | 18 | 105°F (Aug 15) | 102°F | 72°F |
| 3 | Jul 4, 1980 – Jul 19, 1980 | 16 | 106°F (Jul 16) | 101°F | 74°F |
| 4 | Jul 23, 1896 – Aug 6, 1896 | 15 | 104°F (Aug 1) | 100°F | 74°F |
| 5 | Jun 21, 1969 – Jul 5, 1969 | 15 | 103°F (Jun 29) | 101°F | 74°F |
| 6 | Jul 26, 2023 – Aug 7, 2023 | 13 | 104°F (Aug 5) | 100°F | 76°F |
| 7 | Aug 24, 2000 – Sep 4, 2000 | 12 | 107°F (Aug 30) | 103°F | 72°F |
| 8 | Aug 8, 2007 – Aug 18, 2007 | 11 | 106°F (Aug 14) | 101°F | 73°F |
| 9 | Jun 10, 1902 – Jun 20, 1902 | 11 | 104°F (Jun 11) | 102°F | 70°F |
| 10 | Aug 19, 1924 – Aug 29, 1924 | 11 | 104°F (Aug 28) | 101°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
22nd-warmest month on record
7th-warmest July of 131 on record
+2.4° vs. 82.1° average (1991–2020)Longest 90°F Streak in July
17 consecutive days with highs of at least 90°F (Jul 15–31, 2026, peaking at 99°F)
The longest July streak since 2025 (1 year). The July record is 31 days, set in 1948.
Average July Temperature by Year
1896–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1980 | 85.8°F |
| 2 | 1952 | 84.9°F |
| 3 | 2015 | 84.7°F |
| 4 | 2023 | 84.7°F |
| 5 | 2025 | 84.7°F |
| 6 | 1948 | 84.5°F |
| 7 | 2026 | 84.5°F |
| 8 | 1954 | 84.4°F |
| 9 | 2011 | 84.4°F |
| 10 | 1902 | 84.3°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | August 2023 | 87.8°F |
| 2 | August 1954 | 86.0°F |
| 3 | July 1980 | 85.8°F |
| 4 | August 1951 | 85.7°F |
| 5 | August 1924 | 85.7°F |
| 6 | August 1943 | 85.6°F |
| 7 | August 2011 | 85.4°F |
| 8 | September 1925 | 85.3°F |
| 9 | August 2007 | 85.3°F |
| 10 | August 1902 | 85.2°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Jackson, MS | 84.5°F | 7th of 131 |
| Tallulah-Vicksburg, LA | 83.4°F | 16th of 76 |
| Greenwood, MS | 83.4°F | 15th of 77 |
| Hattiesburg, MS | 84.5°F | 7th of 126 |
| Meridian, MS | 83.4°F | 11th of 137 |