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Weather & Climate in Erath, LA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Erath enjoys a temperate climate with an average annual temperature of 67°F (20°C). Winters average 50°F in January while summers reach 82°F in July. The area gets 317 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 64.1 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 5 feet.
Temperature
50°F Jan (10°C)
82°F Jul (28°C)
| Annual Average | 67.2°F |
| 24% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 5 ft (2 m) |
| Area | 1.8 sq mi (4.6 km²) |
| Population Density | 1,060/sq mi |
| Coordinates | 29.9588°N, 92.0374°W |
| Timezone | America/Chicago |
| County | Vermilion Parish County |
| Nearest Airport | Acadiana Regional (ARA) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.8 / 100 |
| Social Vulnerability | 69.6 / 100 |
| Community Resilience | 75.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.0.
| Aug 2, 2010 | 16 km ESE of Clinton, Louisiana | M3.0 | 148 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
25 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Francine | Category 2 | 104 mph | 102 km |
| 2021 | Ida | Category 4 | 150 mph | 132 km |
| 2020 | Laura | Category 4 | 150 mph | 123 km |
| 2020 | Zeta | Category 3 | 115 mph | 163 km |
| 2020 | Delta | Category 3 | 115 mph | 85 km |
| 2019 | Barry | Category 1 | 75 mph | 43 km |
| 2017 | Nate | Category 1 | 86 mph | 274 km |
| 2012 | Isaac | Category 1 | 81 mph | 161 km |
| 2008 | Ike | Category 2 | 109 mph | 265 km |
| 2008 | Gustav | Category 2 | 109 mph | 40 km |
| 2007 | Humberto | Category 1 | 92 mph | 155 km |
| 2005 | Katrina | Category 4 | 144 mph | 236 km |
| 2005 | Rita | Category 4 | 127 mph | 162 km |
| 2005 | Cindy | Category 1 | 75 mph | 206 km |
| 2002 | Lili | Category 4 | 121 mph | 26 km |
| 1997 | Danny | Category 1 | 81 mph | 223 km |
| 1992 | Andrew | Category 4 | 144 mph | 36 km |
| 1989 | Jerry | Category 1 | 86 mph | 299 km |
| 1989 | Chantal | Category 1 | 81 mph | 199 km |
| 1988 | Florence | Category 1 | 81 mph | 265 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
483 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 32 fatalities, 574 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 10, 2021 | EF3 | 79 km | 8.7 mi | 1 |
| May 17, 2020 | EF3 | 60 km | 3.9 mi | 1 |
| Feb 23, 2016 | EF3 | 92 km | 7.8 mi | 0 |
| Nov 21, 1992 | EF3 | 100 km | 6.0 mi | 0 |
| Feb 9, 1983 | EF3 | 60 km | 3.0 mi | 0 |
| Feb 9, 1983 | EF3 | 51 km | 21.0 mi | 0 |
| Jan 31, 1983 | EF3 | 23 km | 6.0 mi | 1 |
| Apr 21, 1977 | EF3 | 39 km | 3.8 mi | 1 |
| Oct 29, 1974 | EF3 | 25 km | 7.3 mi | 0 |
| Oct 29, 1974 | EF3 | 64 km | 31.3 mi | 2 |
| Feb 29, 1972 | EF3 | 90 km | 1.0 mi | 0 |
| Mar 17, 1970 | EF3 | 77 km | 1.0 mi | 0 |
| Dec 25, 1969 | EF3 | 69 km | 13.5 mi | 0 |
| Dec 25, 1969 | EF3 | 23 km | 1.5 mi | 1 |
| Sep 10, 1961 | EF3 | 26 km | 5.7 mi | 1 |
| Nov 7, 1957 | EF3 | 46 km | 9.2 mi | 4 |
| Oct 15, 1957 | EF3 | 57 km | 37.9 mi | 1 |
| Apr 4, 1952 | EF3 | 84 km | 36.7 mi | 0 |
| May 13, 2024 | EF2 | 45 km | 8.6 mi | 0 |
| Feb 8, 2023 | EF2 | 79 km | 3.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: LACASSINE POOL (16,640 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | LACASSINE POOL | 16,640 | 85 km |
| 2006 | UNNAMED | 8,563 | 64 km |
| 2005 | UNNAMED | 6,588 | 77 km |
| 2005 | UNNAMED | 4,928 | 93 km |
| 1995 | UNNAMED | 4,875 | 54 km |
| 2003 | UNNAMED | 4,872 | 79 km |
| 1996 | UNNAMED | 4,678 | 93 km |
| 2005 | UNNAMED | 4,387 | 93 km |
| 2002 | G 1 2 3 | 3,427 | 86 km |
| 2005 | UNNAMED | 3,157 | 77 km |
| 2002 | H I J | 3,155 | 83 km |
| 2003 | UNNAMED | 2,853 | 68 km |
| 1996 | UNNAMED | 2,685 | 64 km |
| 1999 | UNIT F 3 | 2,667 | 85 km |
| 1995 | E 2 | 2,567 | 88 km |
| 2003 | UNNAMED | 2,543 | 86 km |
| 2015 | LALCR FY16 RX MARSH AND PRAIRIE | 2,413 | 83 km |
| 1999 | UNNAMED | 2,138 | 96 km |
| 1995 | G 2 | 2,136 | 77 km |
| 1996 | UNNAMED | 2,054 | 94 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 5.0 in | Coldest |
| February | 55°F (13°C) | 4.0 in | Driest |
| March | 62°F (17°C) | 4.0 in | |
| April | 68°F (20°C) | 4.1 in | |
| May | 76°F (24°C) | 5.0 in | |
| June | 81°F (27°C) | 5.9 in | |
| July | 82°F (28°C) | 7.4 in | Wettest |
| August | 82°F (28°C) | 6.7 in | Warmest |
| September | 78°F (26°C) | 5.6 in | |
| October | 70°F (21°C) | 4.1 in | |
| November | 61°F (16°C) | 4.0 in | |
| December | 54°F (12°C) | 5.2 in |
Erath has a seasonal temperature swing of 32°F / from 50°F in January to 82°F in August. Total annual precipitation is 61.1 inches, with July being the wettest month (7.4") and February the driest (4.0").