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Weather & Climate in Iona, FL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Iona has a warm climate with an average annual temperature of 75°F (24°C). Winters average 65°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 330 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 57.4 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 6 feet.
Temperature
65°F Jan (18°C)
83°F Jul (28°C)
| Annual Average | 75.4°F |
| 40% above US avg | |
| January Average | 65°F (18°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 6 ft (2 m) |
| Area | 6.6 sq mi (17.2 km²) |
| Population Density | 2,155/sq mi |
| Coordinates | 26.5172°N, 81.9608°W |
| Timezone | America/New_York |
| County | Lee County County |
| Nearest Airport | Southwest Florida International (RSW) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.1 / 100 |
| Social Vulnerability | 67.8 / 100 |
| Community Resilience | 8.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very High |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | No Rating |
| Lightning | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very 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 | 114 km |
| 2024 | Helene | Category 4 | 138 mph | 297 km |
| 2024 | Debby | Category 1 | 81 mph | 264 km |
| 2023 | Idalia | Category 4 | 132 mph | 275 km |
| 2022 | Ian | Category 5 | 161 mph | 31 km |
| 2022 | Nicole | Category 1 | 75 mph | 204 km |
| 2021 | Elsa | Category 1 | 75 mph | 124 km |
| 2020 | Eta | Category 1 | 75 mph | 209 km |
| 2017 | Irma | Category 4 | 132 mph | 41 km |
| 2016 | Matthew | Category 4 | 132 mph | 260 km |
| 2005 | Rita | Category 4 | 127 mph | 279 km |
| 2005 | Katrina | Category 3 | 115 mph | 141 km |
| 2005 | Wilma | Category 3 | 127 mph | 73 km |
| 2005 | Dennis | Category 3 | 104 mph | 268 km |
| 2004 | Charley | Category 4 | 150 mph | 26 km |
| 2004 | Jeanne | Category 3 | 121 mph | 136 km |
| 2004 | Frances | Category 2 | 109 mph | 142 km |
| 2000 | Gordon | Category 1 | 81 mph | 235 km |
| 1999 | Irene | Category 1 | 81 mph | 143 km |
| 1998 | Georges | Category 2 | 104 mph | 218 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
406 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 9 fatalities, 153 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 17, 1985 | EF3 | 81 km | 3.0 mi | 2 |
| Oct 9, 2024 | EF2 | 10 km | 16.3 mi | 0 |
| Jan 16, 2022 | EF2 | 5 km | 7.0 mi | 0 |
| Jan 17, 2016 | EF2 | 100 km | 1.2 mi | 0 |
| Jan 9, 2016 | EF2 | 10 km | 3.4 mi | 0 |
| Jun 21, 2006 | EF2 | 54 km | 3.0 mi | 0 |
| Apr 4, 1993 | EF2 | 52 km | 2.0 mi | 0 |
| Jul 23, 1989 | EF2 | 17 km | 1.0 mi | 0 |
| Nov 4, 1988 | EF2 | 17 km | 1.5 mi | 0 |
| Aug 9, 1986 | EF2 | 9 km | 1.5 mi | 0 |
| Dec 12, 1983 | EF2 | 79 km | 1.0 mi | 0 |
| Jun 17, 1982 | EF2 | 51 km | 8.0 mi | 1 |
| Jun 18, 1972 | EF2 | 19 km | 0.3 mi | 0 |
| Jun 18, 1972 | EF2 | 24 km | 2.0 mi | 0 |
| Jun 18, 1972 | EF2 | 35 km | 0.5 mi | 0 |
| Dec 3, 1971 | EF2 | 79 km | 5.9 mi | 0 |
| Dec 3, 1971 | EF2 | 85 km | 4.9 mi | 0 |
| Dec 3, 1971 | EF2 | 60 km | 7.3 mi | 0 |
| Jun 18, 1971 | EF2 | 97 km | 1.0 mi | 0 |
| Mar 3, 1971 | EF2 | 4 km | 0.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: MOONSHINE BAY (38,664 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | MOONSHINE BAY | 38,664 | 100 km |
| 2008 | MYAKKA CUT | 36,877 | 100 km |
| 2018 | 116TH AVE SE (11) | 29,269 | 67 km |
| 2001 | BEARISLAND | 24,213 | 84 km |
| 2017 | COWBELL | 21,781 | 99 km |
| 2009 | DEEP FIRE | 20,073 | 77 km |
| 2013 | HUCKABEE | 19,723 | 80 km |
| 2017 | IPP 17 TRT 2 AIRPLANE RXS | 19,112 | 89 km |
| 2007 | BALSA | 16,278 | 58 km |
| 1990 | UNNAMED | 16,253 | 97 km |
| 1986 | UNNAMED | 16,145 | 46 km |
| 1989 | WALK IN | 15,816 | 80 km |
| 1991 | UNNAMED | 14,572 | 38 km |
| 2000 | 49DOF68TH | 14,362 | 62 km |
| 1999 | UNNAMED | 12,935 | 43 km |
| 2024 | BICY TURNER RIVER RX FY24 | 12,896 | 93 km |
| 1999 | UNNAMED | 12,527 | 38 km |
| 1988 | UNNAMED | 11,531 | 81 km |
| 2016 | BIRDON | 10,986 | 92 km |
| 2009 | TURNER ROUND 2 | 10,938 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 65°F (18°C) | 2.2 in | Coldest |
| February | 65°F (18°C) | 2.1 in | |
| March | 69°F (21°C) | 3.1 in | |
| April | 73°F (23°C) | 1.6 in | |
| May | 78°F (25°C) | 3.4 in | |
| June | 82°F (28°C) | 9.0 in | Wettest |
| July | 83°F (28°C) | 8.4 in | Warmest |
| August | 83°F (28°C) | 9.0 in | |
| September | 82°F (28°C) | 7.5 in | |
| October | 78°F (25°C) | 2.7 in | |
| November | 72°F (22°C) | 1.8 in | |
| December | 67°F (19°C) | 1.6 in | Driest |
Iona has a seasonal temperature swing of 19°F / from 65°F in January to 83°F in July. Total annual precipitation is 52.4 inches, with June being the wettest month (9.0") and December the driest (1.6").