Jacksonville, FL
Florida · Records since 1871–2026
Records for August 11
🔥 Record High
August 11, 2023
+8° from 91° normal❄ Record Low
August 11, 2002
-6° from 74° normalAll-Time Records — Jacksonville
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 99°F | August 11, 2023 |
| 2 | 98°F | August 11, 2019 |
| 3 | 98°F | August 11, 2011 |
| 4 | 98°F | August 11, 1968 |
| 5 | 97°F | August 11, 2006 |
| 6 | 97°F | August 11, 1957 |
| 7 | 97°F | August 11, 1900 |
| 8 | 96°F | August 11, 2009 |
| 9 | 96°F | August 11, 2007 |
| 10 | 96°F | August 11, 1991 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 68°F | August 11, 2002 |
| 2 | 68°F | August 11, 1989 |
| 3 | 69°F | August 11, 1993 |
| 4 | 69°F | August 11, 1990 |
| 5 | 69°F | August 11, 1982 |
Heat Wave Summary — Jacksonville
threshold: 95°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date144 of 222 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1871–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Jacksonville
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 10, 1875 – Aug 1, 1875 | 23 | 101°F (Jul 20) | 98°F | 75°F |
| 2 | Jun 13, 1981 – Jun 26, 1981 | 14 | 102°F (Jun 15) | 98°F | 72°F |
| 3 | Jul 6, 1981 – Jul 18, 1981 | 13 | 103°F (Jul 17) | 100°F | 74°F |
| 4 | Jul 8, 1986 – Jul 20, 1986 | 13 | 102°F (Jul 20) | 97°F | 74°F |
| 5 | Jun 23, 1897 – Jul 4, 1897 | 12 | 99°F (Jun 28) | 97°F | 76°F |
| 6 | Aug 5, 2023 – Aug 16, 2023 | 12 | 99°F (Aug 8) | 98°F | 76°F |
| 7 | Jun 27, 1902 – Jul 7, 1902 | 11 | 101°F (Jul 7) | 97°F | 76°F |
| 8 | Jul 4, 2016 – Jul 14, 2016 | 11 | 100°F (Jul 9) | 98°F | 74°F |
| 9 | May 25, 2019 – Jun 4, 2019 | 11 | 100°F (May 27) | 98°F | 72°F |
| 10 | Jun 9, 1964 – Jun 19, 1964 | 11 | 99°F (Jun 11) | 97°F | 74°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
12th-warmest month on record
8th-warmest July of 155 on record
+2.1° vs. 82.3° average (1991–2020)Longest 90°F Streak in July
18 consecutive days with highs of at least 90°F (Jul 14–31, 2026, peaking at 98°F)
The longest July streak since 2024 (2 years). The July record is 31 days, set in 1875.
Average July Temperature by Year
1872–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1872 | 86.0°F |
| 2 | 1875 | 85.3°F |
| 3 | 2025 | 84.8°F |
| 4 | 2023 | 84.7°F |
| 5 | 2024 | 84.5°F |
| 6 | 1881 | 84.5°F |
| 7 | 1942 | 84.4°F |
| 8 | 1883 | 84.4°F |
| 9 | 1981 | 84.4°F |
| 10 | 2026 | 84.4°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1872 | 86.0°F |
| 2 | July 1875 | 85.3°F |
| 3 | July 2025 | 84.8°F |
| 4 | August 1954 | 84.8°F |
| 5 | July 2023 | 84.7°F |
| 6 | July 2024 | 84.5°F |
| 7 | August 1878 | 84.5°F |
| 8 | August 2023 | 84.5°F |
| 9 | July 1881 | 84.5°F |
| 10 | June 1952 | 84.4°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Jacksonville, FL | 84.4°F | 8th of 155 |
| Gainesville, FL | 83.5°F | 7th of 136 |
| Daytona Beach, FL | 83.5°F | 4th of 104 |
| Leesburg, FL | 84.4°F | 6th of 65 |
| Sanford, FL | 85.0°F | 4th of 78 |