Key West, FL
Florida · Records since 1872–2026
Records for August 9
🔥 Record High
August 9, 1956
+3° from 91° normal❄ Record Low
August 9, 1957
-9° from 81° normalAll-Time Records — Key West
Top 10 Record Highs — August 9
| # | Temp | Date |
|---|---|---|
| 🏆 | 94°F | August 9, 1956 |
| 2 | 94°F | August 9, 1955 |
| 3 | 94°F | August 9, 1872 |
| 4 | 93°F | August 9, 2019 |
| 5 | 93°F | August 9, 1991 |
| 6 | 93°F | August 9, 1987 |
| 7 | 93°F | August 9, 1962 |
| 8 | 93°F | August 9, 1954 |
| 9 | 93°F | August 9, 1951 |
| 10 | 92°F | August 9, 2023 |
Top 5 Record Lows — August 9
| # | Temp | Date |
|---|---|---|
| 🥶 | 72°F | August 9, 1957 |
| 2 | 72°F | August 9, 1904 |
| 3 | 72°F | August 9, 1889 |
| 4 | 73°F | August 9, 1971 |
| 5 | 73°F | August 9, 1911 |
Heat Wave Summary — Key West
threshold: 92°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date128 of 220 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1872–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Key West
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 3, 1956 – Sep 2, 1956 | 31 | 97°F (Aug 26) | 94°F | 79°F |
| 2 | Jun 26, 1957 – Jul 14, 1957 | 19 | 95°F (Jul 2) | 94°F | 80°F |
| 3 | Aug 9, 1957 – Aug 27, 1957 | 19 | 95°F (Aug 12) | 93°F | 78°F |
| 4 | Jul 26, 1990 – Aug 8, 1990 | 14 | 94°F (Jul 26) | 93°F | 79°F |
| 5 | Jul 30, 2007 – Aug 12, 2007 | 14 | 94°F (Aug 6) | 93°F | 83°F |
| 6 | Jun 24, 1881 – Jul 6, 1881 | 13 | 96°F (Jul 2) | 93°F | 81°F |
| 7 | Jul 24, 1883 – Aug 5, 1883 | 13 | 95°F (Aug 2) | 93°F | 80°F |
| 8 | Jul 22, 1884 – Aug 3, 1884 | 13 | 95°F (Aug 1) | 93°F | 80°F |
| 9 | Aug 9, 1954 – Aug 21, 1954 | 13 | 95°F (Aug 10) | 93°F | 79°F |
| 10 | Aug 9, 1991 – Aug 21, 1991 | 13 | 93°F (Aug 9) | 92°F | 80°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
18th-warmest month on record
10th-warmest July of 153 on record
+1.2° vs. 85.0° average (1991–2020)Longest 90°F Streak in July
8 consecutive days with highs of at least 90°F (Jul 3–10, 2026, peaking at 92°F)
The longest July streak since 2024 (2 years). The July record is 31 days, set in 1957.
Average July Temperature by Year
1872–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2023 | 87.7°F |
| 2 | 2024 | 87.0°F |
| 3 | 2018 | 86.9°F |
| 4 | 2007 | 86.8°F |
| 5 | 1881 | 86.7°F |
| 6 | 1967 | 86.7°F |
| 7 | 1880 | 86.3°F |
| 8 | 2009 | 86.3°F |
| 9 | 2014 | 86.3°F |
| 10 | 2026 | 86.2°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2023 | 87.7°F |
| 2 | August 2007 | 87.5°F |
| 3 | August 2023 | 87.4°F |
| 4 | August 2020 | 87.2°F |
| 5 | July 2024 | 87.0°F |
| 6 | July 2018 | 86.9°F |
| 7 | July 2007 | 86.8°F |
| 8 | July 1881 | 86.7°F |
| 9 | July 1967 | 86.7°F |
| 10 | August 1956 | 86.6°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Key West, FL | 86.2°F | 10th of 153 |
| Marathon, FL | 86.0°F | 13th of 67 |
| Miami, FL | 86.2°F | 2nd of 126 |
| Fort Myers, FL | 84.8°F | 8th of 128 |
| Fort Lauderdale, FL | 85.7°F | 1st of 110 |