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Weather & Climate in Glen Allan, MS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Glen Allan enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 44°F in January while summers reach 82°F in July. The area gets 299 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 60.4 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 108 feet.
Temperature
44°F Jan (7°C)
82°F Jul (28°C)
| Annual Average | 64.5°F |
| 19% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 108 ft (33 m) |
| Area | 4.5 sq mi (11.8 km²) |
| Population Density | 58/sq mi |
| Coordinates | 33.0221°N, 91.0138°W |
| Timezone | America/Chicago |
| County | Chicot County County |
| Nearest Airport | Monroe Regional (MLU) 68 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 43.8 / 100 |
| Social Vulnerability | 92.2 / 100 |
| Community Resilience | 31.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Jan 8, 2019 | 8 km WNW of Hollandale, Mississippi | M3.7 | 21 km | 16 km |
| May 3, 2015 | 7 km SSW of Canton, Mississippi | M3.2 | 102 km | 5 km |
| Jun 29, 2015 | 6 km SSW of Canton, Mississippi | M3.2 | 102 km | 5 km |
| Aug 11, 1996 | 9 km WSW of Shaw, Mississippi | M3.1 | 63 km | 10 km |
| Oct 26, 2002 | 3 km SE of Alligator, Mississippi | M3.1 | 120 km | 3 km |
| May 16, 2007 | 5 km SW of Calion, Arkansas | M3.0 | 150 km | 5 km |
| May 3, 2015 | 8 km WSW of Canton, Mississippi | M3.0 | 98 km | 5 km |
| Jan 9, 1997 | 6 km E of El Dorado, Arkansas | M2.8 | 149 km | 5 km |
| Aug 9, 2019 | Mississippi | M2.8 | 107 km | 5 km |
| Feb 24, 2020 | 12 km ENE of Junction City, Arkansas | M2.8 | 148 km | 14 km |
| May 11, 2020 | 13 km SSE of El Dorado, Arkansas | M2.8 | 148 km | 12 km |
| Feb 11, 1991 | 10 km SSW of Clarksdale, Mississippi | M2.7 | 127 km | 12 km |
| Aug 17, 2015 | 9 km N of Madison, Mississippi | M2.6 | 100 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Ida | Category 1 | 75 mph | 270 km |
| 2020 | Laura | Category 3 | 98 mph | 226 km |
| 2020 | Zeta | Category 1 | — | 269 km |
| 2005 | Katrina | Category 1 | 92 mph | 196 km |
| 1992 | Andrew | Category 1 | — | 288 km |
| 1985 | Elena | Category 3 | 115 mph | 283 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
652 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 205 fatalities, 2,755 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 21, 1971 | EF5 | 83 km | 109.2 mi | 47 |
| Dec 5, 1953 | EF5 | 78 km | 9.0 mi | 38 |
| Mar 24, 2023 | EF4 | 20 km | 59.2 mi | 17 |
| Apr 24, 2010 | EF4 | 74 km | 149.0 mi | 10 |
| Nov 24, 2001 | EF4 | 50 km | 30.3 mi | 0 |
| Mar 9, 1992 | EF4 | 13 km | 20.0 mi | 0 |
| Apr 17, 1978 | EF4 | 50 km | 3.6 mi | 0 |
| Mar 29, 1976 | EF4 | 89 km | 22.3 mi | 3 |
| Feb 21, 1971 | EF4 | 36 km | 202.1 mi | 58 |
| Feb 21, 1971 | EF4 | 81 km | 65.2 mi | 13 |
| Mar 24, 2023 | EF3 | 96 km | 29.4 mi | 3 |
| Apr 27, 2011 | EF3 | 88 km | 23.0 mi | 0 |
| Jan 10, 2008 | EF3 | 96 km | 9.7 mi | 0 |
| Nov 24, 2001 | EF3 | 43 km | 5.0 mi | 0 |
| Nov 24, 2001 | EF3 | 85 km | 30.0 mi | 3 |
| Feb 24, 2001 | EF3 | 95 km | 22.0 mi | 0 |
| Feb 24, 2001 | EF3 | 83 km | 42.0 mi | 0 |
| Dec 9, 1999 | EF3 | 76 km | 6.0 mi | 0 |
| May 2, 1997 | EF3 | 75 km | 20.0 mi | 0 |
| Nov 11, 1995 | EF3 | 80 km | 15.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
6 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,134 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | UNNAMED | 4,134 | 73 km |
| 2006 | MOLLICY WARREN | 2,175 | 92 km |
| 2012 | LACEY | 1,439 | 96 km |
| 2010 | DREW | 1,283 | 75 km |
| 2013 | FOUNTAIN HILL | 655 | 88 km |
| 1998 | UNNAMED | 577 | 80 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 5.0 in | Coldest |
| February | 48°F (9°C) | 5.0 in | |
| March | 56°F (13°C) | 5.8 in | Wettest |
| April | 64°F (18°C) | 5.1 in | |
| May | 72°F (22°C) | 5.1 in | |
| June | 79°F (26°C) | 4.1 in | |
| July | 82°F (28°C) | 4.1 in | Warmest |
| August | 81°F (27°C) | 2.8 in | Driest |
| September | 76°F (24°C) | 2.8 in | |
| October | 65°F (18°C) | 3.6 in | |
| November | 55°F (13°C) | 5.2 in | |
| December | 47°F (8°C) | 5.8 in |
Glen Allan has a seasonal temperature swing of 38°F / from 44°F in January to 82°F in July. Total annual precipitation is 54.5 inches, with March being the wettest month (5.8") and August the driest (2.8").