All Countries
Weather & Climate in Thonotosassa, FL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thonotosassa has a warm climate with an average annual temperature of 74°F (24°C). Winters average 62°F in January while summers reach 84°F in July. The area gets 314 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 56.1 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 87 feet.
Temperature
62°F Jan (17°C)
84°F Jul (29°C)
| Annual Average | 74.3°F |
| 38% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 314 days/yr |
Geography
| Elevation | 87 ft (27 m) |
| Area | 28.3 sq mi (73.4 km²) |
| Population Density | 554/sq mi |
| Coordinates | 28.0466°N, 82.2965°W |
| Timezone | America/New_York |
| County | Pasco County County |
| Nearest Airport | Tampa International (TPA) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.0 / 100 |
| Social Vulnerability | 39.7 / 100 |
| Community Resilience | 10.4 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| 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 | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
21 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Milton | Category 4 | 132 mph | 34 km |
| 2024 | Helene | Category 4 | 138 mph | 209 km |
| 2024 | Debby | Category 1 | 81 mph | 179 km |
| 2023 | Idalia | Category 4 | 132 mph | 212 km |
| 2022 | Ian | Category 5 | 161 mph | 107 km |
| 2022 | Nicole | Category 1 | 75 mph | 203 km |
| 2021 | Elsa | Category 1 | 75 mph | 184 km |
| 2020 | Eta | Category 1 | 75 mph | 296 km |
| 2017 | Irma | Category 3 | 115 mph | 20 km |
| 2016 | Matthew | Category 4 | 127 mph | 216 km |
| 2016 | Hermine | Category 1 | 81 mph | 262 km |
| 2005 | Wilma | Category 3 | 121 mph | 242 km |
| 2005 | Ophelia | Category 1 | 75 mph | 300 km |
| 2004 | Charley | Category 4 | 150 mph | 69 km |
| 2004 | Jeanne | Category 3 | 121 mph | 30 km |
| 2004 | Frances | Category 2 | 109 mph | 119 km |
| 2000 | Gordon | Category 1 | 81 mph | 148 km |
| 1999 | Irene | Category 1 | 75 mph | 218 km |
| 1995 | Erin | Category 1 | 86 mph | 190 km |
| 1992 | Andrew | Category 5 | 167 mph | 262 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
867 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 63 fatalities, 1,423 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 4, 1966 | EF4 | 51 km | 135.8 mi | 11 |
| Apr 15, 1958 | EF4 | 53 km | 0.1 mi | 0 |
| Feb 2, 2007 | EF3 | 96 km | 16.2 mi | 8 |
| Feb 22, 1998 | EF3 | 74 km | 18.0 mi | 3 |
| Feb 22, 1998 | EF3 | 83 km | 28.0 mi | 25 |
| Oct 3, 1992 | EF3 | 46 km | 2.6 mi | 3 |
| Apr 9, 1983 | EF3 | 77 km | 10.0 mi | 3 |
| Mar 19, 1981 | EF3 | 100 km | 8.0 mi | 0 |
| Jan 24, 1979 | EF3 | 75 km | 7.0 mi | 0 |
| May 4, 1978 | EF3 | 42 km | 1.5 mi | 3 |
| Oct 31, 1958 | EF3 | 66 km | 3.6 mi | 0 |
| Oct 12, 2023 | EF2 | 94 km | 5.6 mi | 0 |
| Oct 11, 2023 | EF2 | 52 km | 5.0 mi | 0 |
| Dec 16, 2020 | EF2 | 49 km | 13.1 mi | 0 |
| Oct 18, 2019 | EF2 | 26 km | 11.5 mi | 0 |
| Sep 10, 2017 | EF2 | 43 km | 0.6 mi | 0 |
| Jan 17, 2016 | EF2 | 91 km | 1.2 mi | 0 |
| Jan 17, 2016 | EF2 | 57 km | 9.2 mi | 2 |
| Jun 24, 2012 | EF2 | 62 km | 6.2 mi | 0 |
| Dec 25, 2006 | EF2 | 30 km | 0.8 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: STAGECOACH COMPLEX (14,079 acres, 2001).
| Year | Name | Acres Burned | Distance |
| 2001 | STAGECOACH COMPLEX | 14,079 | 59 km |
| 1995 | UNNAMED | 5,474 | 41 km |
| 1992 | UNNAMED | 4,999 | 99 km |
| 1999 | UNNAMED | 4,949 | 92 km |
| 1994 | UNNAMED | 4,477 | 97 km |
| 1985 | UNNAMED | 4,370 | 95 km |
| 2004 | UNNAMED | 3,999 | 95 km |
| 1992 | UNNAMED | 3,905 | 92 km |
| 2003 | UNNAMED | 3,890 | 29 km |
| 1992 | UNNAMED | 3,836 | 64 km |
| 1989 | UNNAMED | 3,828 | 96 km |
| 1985 | UNNAMED | 3,744 | 99 km |
| 1995 | UNNAMED | 3,726 | 44 km |
| 2007 | UNNAMED | 3,724 | 96 km |
| 1985 | UNNAMED | 3,647 | 100 km |
| 1990 | UNNAMED | 3,595 | 87 km |
| 2012 | UNNAMED | 3,443 | 61 km |
| 2006 | UNNAMED | 3,436 | 89 km |
| 2007 | BIG PINES | 3,270 | 99 km |
| 1990 | UNNAMED | 3,245 | 92 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (17°C) | 2.7 in | |
| February | 62°F (16°C) | 3.2 in | Coldest |
| March | 66°F (19°C) | 3.6 in | |
| April | 71°F (21°C) | 1.9 in | Driest |
| May | 76°F (25°C) | 3.6 in | |
| June | 81°F (27°C) | 6.9 in | |
| July | 84°F (29°C) | 7.4 in | Warmest |
| August | 82°F (28°C) | 8.1 in | Wettest |
| September | 80°F (27°C) | 6.3 in | |
| October | 74°F (24°C) | 2.4 in | |
| November | 68°F (20°C) | 2.1 in | |
| December | 62°F (17°C) | 2.5 in |
Thonotosassa has a seasonal temperature swing of 22°F / from 62°F in February to 84°F in July. Total annual precipitation is 50.7 inches, with August being the wettest month (8.1") and April the driest (1.9").