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Weather & Climate in Greenbriar, FL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Greenbriar has a warm climate with an average annual temperature of 73°F (23°C). Winters average 60°F in January while summers reach 83°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 54.3 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 55 feet.
Temperature
60°F Jan (16°C)
83°F Jul (28°C)
| Annual Average | 72.9°F |
| 35% above US avg | |
| January Average | 60°F (16°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 314 days/yr |
Geography
| Elevation | 55 ft (17 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 4,784/sq mi |
| Coordinates | 28.0113°N, 82.7527°W |
| Timezone | America/New_York |
| County | Pasco County County |
| Nearest Airport | St Pete-Clearwater International (PIE) 8 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
20 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 | 68 km |
| 2024 | Helene | Category 4 | 138 mph | 170 km |
| 2024 | Debby | Category 1 | 81 mph | 136 km |
| 2023 | Idalia | Category 4 | 132 mph | 174 km |
| 2022 | Ian | Category 5 | 161 mph | 138 km |
| 2022 | Nicole | Category 1 | 75 mph | 246 km |
| 2021 | Elsa | Category 1 | 75 mph | 163 km |
| 2020 | Eta | Category 1 | 75 mph | 271 km |
| 2017 | Irma | Category 3 | 115 mph | 58 km |
| 2016 | Matthew | Category 3 | 127 mph | 254 km |
| 2016 | Hermine | Category 1 | 81 mph | 228 km |
| 2005 | Wilma | Category 3 | 121 mph | 257 km |
| 2004 | Charley | Category 4 | 150 mph | 114 km |
| 2004 | Jeanne | Category 3 | 121 mph | 74 km |
| 2004 | Frances | Category 2 | 104 mph | 159 km |
| 2000 | Gordon | Category 1 | 81 mph | 103 km |
| 1999 | Irene | Category 1 | 75 mph | 262 km |
| 1995 | Erin | Category 1 | 86 mph | 210 km |
| 1992 | Andrew | Category 5 | 167 mph | 248 km |
| 1985 | Elena | Category 3 | 127 mph | 128 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
681 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 25 fatalities, 992 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 4, 1966 | EF4 | 11 km | 135.8 mi | 11 |
| Apr 15, 1958 | EF4 | 40 km | 0.1 mi | 0 |
| Oct 3, 1992 | EF3 | 21 km | 2.6 mi | 3 |
| Apr 9, 1983 | EF3 | 83 km | 10.0 mi | 3 |
| Jan 24, 1979 | EF3 | 63 km | 7.0 mi | 0 |
| May 4, 1978 | EF3 | 11 km | 1.5 mi | 3 |
| Oct 31, 1958 | EF3 | 55 km | 3.6 mi | 0 |
| Oct 12, 2023 | EF2 | 94 km | 5.6 mi | 0 |
| Oct 11, 2023 | EF2 | 8 km | 5.0 mi | 0 |
| Dec 16, 2020 | EF2 | 16 km | 13.1 mi | 0 |
| Oct 18, 2019 | EF2 | 69 km | 11.5 mi | 0 |
| Sep 10, 2017 | EF2 | 87 km | 0.6 mi | 0 |
| Jan 17, 2016 | EF2 | 87 km | 1.2 mi | 0 |
| Jan 17, 2016 | EF2 | 74 km | 9.2 mi | 2 |
| Dec 25, 2006 | EF2 | 53 km | 0.8 mi | 0 |
| Dec 7, 1996 | EF2 | 49 km | 2.0 mi | 1 |
| Oct 3, 1992 | EF2 | 15 km | 3.0 mi | 1 |
| Jul 12, 1992 | EF2 | 3 km | 4.5 mi | 0 |
| Jun 25, 1988 | EF2 | 100 km | 2.0 mi | 0 |
| Apr 15, 1987 | EF2 | 99 km | 12.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (5,474 acres, 1995).
| Year | Name | Acres Burned | Distance |
| 1995 | UNNAMED | 5,474 | 78 km |
| 2003 | UNNAMED | 3,890 | 71 km |
| 1992 | UNNAMED | 3,836 | 91 km |
| 1995 | UNNAMED | 3,726 | 82 km |
| 1990 | UNNAMED | 3,595 | 97 km |
| 2012 | UNNAMED | 3,443 | 80 km |
| 1990 | UNNAMED | 3,152 | 98 km |
| 1992 | UNNAMED | 3,132 | 72 km |
| 2006 | UNNAMED | 3,048 | 88 km |
| 1994 | UNNAMED | 2,792 | 92 km |
| 2004 | UNNAMED | 2,766 | 97 km |
| 2009 | THATCHER COMMAND | 2,644 | 70 km |
| 2010 | UNNAMED | 2,510 | 83 km |
| 2017 | ANCLOTE BRANCH | 2,510 | 30 km |
| 1985 | UNNAMED | 2,429 | 68 km |
| 1985 | UNNAMED | 2,425 | 79 km |
| 1992 | UNNAMED | 2,412 | 92 km |
| 2010 | UNNAMED | 2,389 | 71 km |
| 2009 | UNNAMED | 2,377 | 80 km |
| 2000 | UNNAMED | 2,354 | 97 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 60°F (16°C) | 3.0 in | Coldest |
| February | 62°F (16°C) | 3.2 in | |
| March | 67°F (19°C) | 3.8 in | |
| April | 71°F (22°C) | 1.9 in | Driest |
| May | 77°F (25°C) | 3.2 in | |
| June | 81°F (27°C) | 6.0 in | |
| July | 83°F (28°C) | 7.0 in | Warmest |
| August | 82°F (28°C) | 8.4 in | Wettest |
| September | 81°F (27°C) | 7.0 in | |
| October | 75°F (24°C) | 3.0 in | |
| November | 68°F (20°C) | 2.3 in | |
| December | 62°F (17°C) | 2.8 in |
Greenbriar has a seasonal temperature swing of 23°F / from 60°F in January to 83°F in July. Total annual precipitation is 51.6 inches, with August being the wettest month (8.4") and April the driest (1.9").