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Weather & Climate in Altha, FL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Altha enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 52°F in January while summers reach 83°F in July. The area gets 306 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 51.1 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 210 feet.
Temperature
52°F Jan (11°C)
83°F Jul (28°C)
| Annual Average | 68.3°F |
| 26% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 210 ft (64 m) |
| Area | 1.5 sq mi (3.9 km²) |
| Population Density | 423/sq mi |
| Coordinates | 30.5734°N, 85.1261°W |
| Timezone | America/New_York |
| County | Calhoun County County |
| Nearest Airport | Northwest Florida Beaches International (ECP) 43 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.9 / 100 |
| Social Vulnerability | 73.1 / 100 |
| Community Resilience | 13.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Helene | Category 4 | 138 mph | 151 km |
| 2024 | Debby | Category 1 | 81 mph | 182 km |
| 2023 | Idalia | Category 4 | 132 mph | 165 km |
| 2020 | Sally | Category 2 | 109 mph | 219 km |
| 2018 | Michael | Category 5 | 161 mph | 49 km |
| 2016 | Hermine | Category 1 | 81 mph | 112 km |
| 2005 | Dennis | Category 4 | 138 mph | 186 km |
| 2004 | Ivan | Category 4 | 132 mph | 256 km |
| 1998 | Earl | Category 2 | 98 mph | 76 km |
| 1997 | Danny | Category 1 | 81 mph | 267 km |
| 1995 | Opal | Category 4 | 127 mph | 167 km |
| 1995 | Erin | Category 2 | 98 mph | 152 km |
| 1985 | Elena | Category 3 | 127 mph | 150 km |
| 1985 | Kate | Category 3 | 109 mph | 42 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
597 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 29 fatalities, 439 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jan 9, 2024 | EF3 | 77 km | 5.2 mi | 0 |
| Mar 31, 2022 | EF3 | 38 km | 12.1 mi | 2 |
| Mar 3, 2019 | EF3 | 96 km | 8.8 mi | 0 |
| Mar 22, 2005 | EF3 | 57 km | 18.0 mi | 1 |
| Dec 29, 1973 | EF3 | 89 km | 15.0 mi | 0 |
| Dec 28, 1968 | EF3 | 51 km | 0.5 mi | 0 |
| Dec 10, 1967 | EF3 | 70 km | 7.1 mi | 1 |
| May 10, 2024 | EF2 | 63 km | 24.8 mi | 2 |
| May 10, 2024 | EF2 | 46 km | 24.2 mi | 0 |
| Jan 9, 2024 | EF2 | 54 km | 34.8 mi | 1 |
| Jan 9, 2024 | EF2 | 66 km | 0.9 mi | 0 |
| Jan 9, 2024 | EF2 | 97 km | 21.7 mi | 0 |
| Jan 9, 2024 | EF2 | 62 km | 12.9 mi | 0 |
| Jan 9, 2024 | EF2 | 18 km | 16.3 mi | 0 |
| Jun 14, 2023 | EF2 | 89 km | 18.9 mi | 0 |
| Apr 27, 2023 | EF2 | 36 km | 2.5 mi | 0 |
| Mar 18, 2022 | EF2 | 72 km | 1.6 mi | 0 |
| Apr 10, 2021 | EF2 | 85 km | 0.5 mi | 0 |
| Feb 15, 2021 | EF2 | 90 km | 1.8 mi | 0 |
| Apr 23, 2020 | EF2 | 47 km | 17.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: EAST FORK (26,251 acres, 2004).
| Year | Name | Acres Burned | Distance |
| 2004 | EAST FORK | 26,251 | 70 km |
| 2021 | BU 360 361 362 363 | 24,747 | 70 km |
| 1998 | HOLIDAY | 24,666 | 70 km |
| 2013 | UNNAMED | 24,574 | 70 km |
| 2022 | BERTHA SWAMP RD | 23,036 | 44 km |
| 2008 | UNNAMED | 18,704 | 73 km |
| 2006 | UNNAMED | 11,747 | 74 km |
| 2005 | UNNAMED | 11,539 | 62 km |
| 2009 | UNNAMED | 11,445 | 54 km |
| 2021 | BU 83/84/85 | 10,582 | 65 km |
| 2010 | UNNAMED | 10,261 | 75 km |
| 2009 | UNNAMED | 10,132 | 65 km |
| 2009 | UNNAMED | 10,098 | 92 km |
| 2008 | GUM BAY | 9,965 | 68 km |
| 2006 | UNNAMED | 9,352 | 62 km |
| 2007 | UNNAMED | 9,252 | 81 km |
| 2008 | UNNAMED | 9,117 | 94 km |
| 2018 | UNNAMED | 8,688 | 65 km |
| 2011 | UNNAMED | 8,424 | 42 km |
| 2014 | BURN UNIT 057 | 8,381 | 61 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 5.2 in | Coldest |
| February | 53°F (12°C) | 4.8 in | |
| March | 60°F (16°C) | 5.5 in | |
| April | 66°F (19°C) | 3.8 in | |
| May | 73°F (23°C) | 4.3 in | |
| June | 79°F (26°C) | 5.8 in | |
| July | 83°F (28°C) | 7.1 in | Warmest, Wettest |
| August | 81°F (27°C) | 6.0 in | |
| September | 78°F (25°C) | 5.2 in | |
| October | 68°F (20°C) | 3.1 in | Driest |
| November | 60°F (15°C) | 3.2 in | |
| December | 53°F (12°C) | 4.1 in |
Altha has a seasonal temperature swing of 31°F / from 52°F in January to 83°F in July. Total annual precipitation is 58.0 inches, with July being the wettest month (7.1") and October the driest (3.1").