National Weather ServiceFloridaHeat AdvisoryArchive to October 1, 2026
Heat Advisories in Florida
The National Weather Service issued 78 heat advisories for Florida in 2025 and 41 a year on average in 2008-2025; in 2021-2025 it had the 3rd most of any state. 2026 through September: 144, 252% above the average of 41 for those months in 2008-2025. Calhoun was covered most often (139 times since 2008).
How many heat advisories does Florida get?
Every heat advisory that covered part of Florida. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 144 |
| 2025 | 78 |
| 2024 | 206 |
| 2023 | 182 |
| 2022 | 42 |
| 2021 | 23 |
| 2020 | 33 |
| 2019 | 46 |
| 2018 | 7 |
| 2017 | 4 |
| 2016 | 5 |
| 2015 | 28 |
| 2014 | 16 |
| 2013 | 0 |
| 2012 | 7 |
| 2011 | 20 |
| 2010 | 24 |
| 2009 | 19 |
| 2008 | 0 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Florida get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Florida?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Calhoun | 139 | 78 | September 7, 2026 |
| Gadsden | 137 | 77 | September 7, 2026 |
| Leon | 136 | 76 | August 21, 2026 |
| Metropolitan Miami Dade | 135 | 128 | August 21, 2026 |
| Coastal Bay | 133 | 80 | September 7, 2026 |
| Coastal Miami Dade County | 133 | 128 | August 21, 2026 |
| Coastal Gulf | 132 | 77 | August 24, 2026 |
| Escambia Inland | 132 | 85 | August 21, 2026 |
| Santa Rosa Inland | 132 | 85 | August 21, 2026 |
| Jackson | 131 | 74 | September 7, 2026 |
| Coastal Wakulla | 129 | 73 | August 24, 2026 |
| Coastal Franklin | 128 | 72 | August 24, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a heat advisory?
A heat advisory means heat that can make people ill, especially those without cooling, below the office's extreme heat warning values. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Florida.