Weather & Climate in Siesta Key, FL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Siesta Key has a warm climate with an average annual temperature of 74°F (23°C). Winters average 62°F in January while summers reach 83°F in July. Annual precipitation totals 49.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 5 feet.
Temperature
62°F Jan (17°C)
83°F Jul (28°C)
| Annual Average | 74.1°F |
| 37% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 83°F (28°C) |
Geography
| Elevation | 5 ft (2 m) |
| Area | 3.5 sq mi (9.0 km²) |
| Population Density | 2,432/sq mi |
| Coordinates | 27.2748°N, 82.5493°W |
| Timezone | America/New_York |
| County | Sarasota County County |
| Nearest Airport | Sarasota/Bradenton International (SRQ) 8 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.2 / 100 |
| Social Vulnerability | 67.0 / 100 |
| Community Resilience | 9.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very High |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | No Rating |
| Lightning | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
24 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Milton | Category 4 | 155 mph | 15 km |
| 2024 | Helene | Category 4 | 138 mph | 215 km |
| 2024 | Debby | Category 1 | 81 mph | 173 km |
| 2023 | Idalia | Category 4 | 132 mph | 215 km |
| 2022 | Ian | Category 5 | 161 mph | 73 km |
| 2022 | Nicole | Category 1 | 75 mph | 225 km |
| 2021 | Elsa | Category 1 | 75 mph | 99 km |
| 2020 | Eta | Category 1 | 75 mph | 212 km |
| 2017 | Irma | Category 4 | 132 mph | 69 km |
| 2016 | Matthew | Category 3 | 127 mph | 276 km |
| 2016 | Hermine | Category 1 | 81 mph | 289 km |
| 2005 | Dennis | Category 4 | 127 mph | 276 km |
| 2005 | Wilma | Category 3 | 127 mph | 175 km |
| 2005 | Katrina | Category 2 | 104 mph | 243 km |
| 2004 | Charley | Category 4 | 150 mph | 54 km |
| 2004 | Jeanne | Category 3 | 121 mph | 97 km |
| 2004 | Frances | Category 2 | 104 mph | 138 km |
| 2000 | Gordon | Category 1 | 81 mph | 147 km |
| 1999 | Irene | Category 1 | 81 mph | 234 km |
| 1998 | Georges | Category 2 | 104 mph | 282 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
703 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 26 fatalities, 1,035 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 4, 1966 | EF4 | 76 km | 135.8 mi | 11 |
| Apr 15, 1958 | EF4 | 45 km | 0.1 mi | 0 |
| Oct 3, 1992 | EF3 | 64 km | 2.6 mi | 3 |
| Mar 17, 1985 | EF3 | 23 km | 3.0 mi | 2 |
| Jan 24, 1979 | EF3 | 22 km | 7.0 mi | 0 |
| May 4, 1978 | EF3 | 73 km | 1.5 mi | 3 |
| Oct 31, 1958 | EF3 | 30 km | 3.6 mi | 0 |
| Oct 11, 2023 | EF2 | 86 km | 5.0 mi | 0 |
| Dec 16, 2020 | EF2 | 69 km | 13.1 mi | 0 |
| Oct 18, 2019 | EF2 | 93 km | 11.5 mi | 0 |
| Jan 17, 2016 | EF2 | 3 km | 1.2 mi | 0 |
| Jan 17, 2016 | EF2 | 44 km | 9.2 mi | 2 |
| Jan 9, 2016 | EF2 | 93 km | 3.4 mi | 0 |
| Jun 21, 2006 | EF2 | 54 km | 3.0 mi | 0 |
| Dec 7, 1996 | EF2 | 66 km | 2.0 mi | 1 |
| Apr 4, 1993 | EF2 | 56 km | 2.0 mi | 0 |
| Oct 3, 1992 | EF2 | 72 km | 3.0 mi | 1 |
| Jul 12, 1992 | EF2 | 86 km | 4.5 mi | 0 |
| Jul 23, 1989 | EF2 | 100 km | 1.0 mi | 0 |
| Nov 4, 1988 | EF2 | 100 km | 1.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (16,145 acres, 1986).
| Year | Name | Acres Burned | Distance |
| 1986 | UNNAMED | 16,145 | 90 km |
| 1991 | UNNAMED | 14,572 | 78 km |
| 1999 | UNNAMED | 12,935 | 80 km |
| 1999 | UNNAMED | 12,527 | 78 km |
| 2004 | UNNAMED | 9,397 | 81 km |
| 2006 | UNNAMED | 9,045 | 80 km |
| 1999 | UNNAMED | 8,800 | 79 km |
| 2004 | UNNAMED | 8,516 | 87 km |
| 1993 | UNNAMED | 8,494 | 88 km |
| 2008 | UNNAMED | 8,268 | 92 km |
| 1992 | UNNAMED | 7,529 | 81 km |
| 1999 | UNNAMED | 7,415 | 27 km |
| 1999 | UNNAMED | 6,951 | 87 km |
| 2004 | UNNAMED | 6,537 | 90 km |
| 2008 | UNNAMED | 6,044 | 90 km |
| 2008 | UNNAMED | 6,036 | 79 km |
| 2006 | UNNAMED | 5,970 | 78 km |
| 2006 | UNNAMED | 5,910 | 88 km |
| 2004 | UNNAMED | 5,802 | 79 km |
| 1993 | UNNAMED | 5,799 | 87 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (17°C) | 2.8 in | Coldest |
| February | 65°F (18°C) | 1.9 in | |
| March | 68°F (20°C) | 2.9 in | |
| April | 73°F (23°C) | 2.5 in | |
| May | 78°F (25°C) | 2.6 in | |
| June | 82°F (28°C) | 7.1 in | |
| July | 83°F (28°C) | 7.4 in | |
| August | 83°F (29°C) | 9.1 in | Warmest, Wettest |
| September | 82°F (28°C) | 6.0 in | |
| October | 77°F (25°C) | 2.8 in | |
| November | 70°F (21°C) | 1.8 in | Driest |
| December | 65°F (18°C) | 2.3 in |
Siesta Key has a seasonal temperature swing of 21°F / from 62°F in January to 83°F in August. Total annual precipitation is 49.1 inches, with August being the wettest month (9.1") and November the driest (1.8").