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Weather & Climate in Westminster, LA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Westminster 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 313 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 60.5 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 30 feet.
Temperature
50°F Jan (10°C)
82°F Jul (28°C)
| Annual Average | 67.3°F |
| 25% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 1.1 sq mi (2.9 km²) |
| Population Density | 2,728/sq mi |
| Coordinates | 30.4076°N, 91.0900°W |
| Timezone | America/Chicago |
| County | East Baton Rouge Parish County |
| Nearest Airport | Acadiana Regional (ARA) 54 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.0 / 100 |
| Social Vulnerability | 66.4 / 100 |
| Community Resilience | 59.6 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very High |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Moderate |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
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 | 51 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
22 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 | 92 km |
| 2021 | Ida | Category 4 | 150 mph | 35 km |
| 2020 | Laura | Category 4 | 150 mph | 222 km |
| 2020 | Zeta | Category 3 | 115 mph | 117 km |
| 2020 | Delta | Category 2 | 104 mph | 177 km |
| 2019 | Barry | Category 1 | 75 mph | 140 km |
| 2017 | Nate | Category 1 | 86 mph | 190 km |
| 2012 | Isaac | Category 1 | 81 mph | 126 km |
| 2008 | Gustav | Category 2 | 109 mph | 74 km |
| 2007 | Humberto | Category 1 | 75 mph | 241 km |
| 2005 | Katrina | Category 4 | 144 mph | 144 km |
| 2005 | Rita | Category 3 | 127 mph | 263 km |
| 2005 | Cindy | Category 1 | 75 mph | 165 km |
| 2002 | Lili | Category 3 | 121 mph | 125 km |
| 1998 | Georges | Category 2 | 109 mph | 210 km |
| 1997 | Danny | Category 1 | 81 mph | 177 km |
| 1992 | Andrew | Category 4 | 144 mph | 59 km |
| 1988 | Florence | Category 1 | 81 mph | 204 km |
| 1986 | Bonnie | Category 1 | 86 mph | 294 km |
| 1985 | Elena | Category 3 | 115 mph | 128 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
585 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 29 fatalities, 727 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 6, 1983 | EF4 | 66 km | 7.0 mi | 0 |
| Apr 10, 2021 | EF3 | 88 km | 8.7 mi | 1 |
| Dec 16, 2019 | EF3 | 89 km | 29.3 mi | 0 |
| Feb 7, 2017 | EF3 | 30 km | 6.4 mi | 0 |
| Feb 23, 2016 | EF3 | 46 km | 7.8 mi | 0 |
| Aug 25, 1992 | EF3 | 72 km | 9.0 mi | 2 |
| Oct 14, 1984 | EF3 | 28 km | 16.0 mi | 0 |
| May 20, 1983 | EF3 | 99 km | 2.0 mi | 0 |
| Dec 13, 1977 | EF3 | 80 km | 20.4 mi | 0 |
| Apr 21, 1977 | EF3 | 83 km | 3.8 mi | 1 |
| Oct 29, 1974 | EF3 | 97 km | 7.3 mi | 0 |
| Apr 26, 1973 | EF3 | 10 km | 0.3 mi | 0 |
| Feb 29, 1972 | EF3 | 31 km | 1.0 mi | 0 |
| Sep 16, 1971 | EF3 | 7 km | 7.3 mi | 0 |
| Mar 17, 1970 | EF3 | 81 km | 1.0 mi | 0 |
| Dec 25, 1969 | EF3 | 40 km | 13.5 mi | 0 |
| Apr 12, 1969 | EF3 | 29 km | 10.7 mi | 0 |
| Jan 28, 1966 | EF3 | 92 km | 0.1 mi | 0 |
| Nov 7, 1957 | EF3 | 86 km | 3.6 mi | 0 |
| Oct 15, 1957 | EF3 | 95 km | 37.9 mi | 1 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,022 acres, 2014).
| Year | Name | Acres Burned | Distance |
| 2014 | UNNAMED | 4,022 | 94 km |
| 2024 | HOMOCHITTO BB28 SUB3 RX | 2,279 | 94 km |
| 2016 | UNNAMED | 2,229 | 99 km |
| 2021 | HOMOCHITTO BB26 | 2,008 | 97 km |
| 2010 | BURN BLOCK 14 | 1,502 | 99 km |
| 2022 | HOMOCHITTO BB 36N | 1,357 | 100 km |
| 2018 | UNNAMED | 1,218 | 98 km |
| 2006 | UNNAMED | 1,206 | 81 km |
| 2024 | HOMOCHITTO 36 N RX | 1,194 | 100 km |
| 2016 | UNNAMED | 1,174 | 99 km |
| 2024 | HOMOCHITTO BB 35 RX | 1,173 | 97 km |
| 2024 | HOMOCHITTO BB39 S2 RX | 1,129 | 98 km |
| 2019 | HOMOCHITTO RX BB 65 SUB 2 | 1,118 | 98 km |
| 2013 | UNNAMED | 1,108 | 98 km |
| 2022 | HOMOCHITTO BB 35 | 1,091 | 97 km |
| 2021 | HOMOCHITTO - BB 65 | 1,039 | 98 km |
| 2022 | HOMOCHITTO BB 65N | 977 | 100 km |
| 2024 | HOMOCHITTO BB 65 SUB3 RX | 956 | 100 km |
| 2014 | UNNAMED | 956 | 98 km |
| 2010 | UNNAMED | 904 | 83 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 5.8 in | Coldest |
| February | 54°F (12°C) | 5.2 in | |
| March | 61°F (16°C) | 5.2 in | |
| April | 68°F (20°C) | 5.3 in | |
| May | 75°F (24°C) | 5.2 in | |
| June | 80°F (27°C) | 5.3 in | |
| July | 82°F (28°C) | 6.3 in | Wettest |
| August | 82°F (28°C) | 5.9 in | Warmest |
| September | 78°F (26°C) | 5.1 in | |
| October | 69°F (20°C) | 3.9 in | Driest |
| November | 60°F (15°C) | 4.5 in | |
| December | 54°F (12°C) | 5.4 in |
Westminster has a seasonal temperature swing of 32°F / from 50°F in January to 82°F in August. Total annual precipitation is 63.0 inches, with July being the wettest month (6.3") and October the driest (3.9").