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Weather & Climate in Glen Allen, AL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Glen Allen enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 41°F in January while summers reach 79°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 64.1 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 578 feet.
Temperature
41°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 60.9°F |
| 13% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 578 ft (176 m) |
| Area | 6.6 sq mi (17.0 km²) |
| Population Density | 62/sq mi |
| Coordinates | 33.8921°N, 87.7327°W |
| Timezone | America/Chicago |
| County | Fayette County County |
| Nearest Airport | Golden Triangle Regional (GTR) 58 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 38.2 / 100 |
| Social Vulnerability | 78.9 / 100 |
| Community Resilience | 24.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
67 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Aug 19, 2004 | 8 km W of Brantleyville, Alabama | M3.6 | 104 km | 5 km |
| Jun 30, 2015 | 12 km W of Union, Alabama | M3.5 | 104 km | 0 km |
| Apr 21, 2009 | 12 km S of Centreville, Alabama | M3.4 | 132 km | 13 km |
| May 28, 1995 | 14 km WSW of Coker, Alabama | M3.4 | 78 km | 1 km |
| May 9, 2004 | 8 km WNW of Brantleyville, Alabama | M3.3 | 103 km | 5 km |
| Jul 15, 1995 | 21 km SSW of Berry, Alabama | M3.3 | 47 km | 1 km |
| Jun 23, 1990 | 12 km E of Vernon, Alabama | M3.2 | 26 km | 1 km |
| Sep 2, 1990 | 12 km NW of Fayette, Alabama | M3.2 | 23 km | 1 km |
| Mar 12, 2015 | 14 km W of Union, Alabama | M3.1 | 107 km | 0 km |
| May 10, 2008 | 1 km SSE of Sherman, Mississippi | M3.1 | 114 km | 0 km |
| Jun 28, 2008 | 7 km WNW of Brookwood, Alabama | M3.1 | 75 km | 5 km |
| Jun 23, 1990 | 8 km N of Belk, Alabama | M3.1 | 28 km | 6 km |
| Feb 27, 2015 | 11 km WSW of Union, Alabama | M3.1 | 107 km | 0 km |
| Mar 20, 2004 | 11 km NW of Wilton, Alabama | M3.0 | 109 km | 0 km |
| May 4, 1994 | 2 km NNW of Addison, Alabama | M3.0 | 62 km | 19 km |
| May 28, 2000 | 3 km NE of Fayette, Alabama | M3.0 | 22 km | 0 km |
| May 4, 1994 | 12 km NNW of Addison, Alabama | M3.0 | 64 km | 5 km |
| May 4, 2007 | 4 km SSW of Jasper, Alabama | M3.0 | 41 km | 5 km |
| Sep 11, 1992 | 5 km SSE of Riverview, Alabama | M3.0 | 83 km | 7 km |
| May 28, 2000 | 13 km S of Winfield, Alabama | M3.0 | 12 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Zeta | Category 1 | — | 298 km |
| 2005 | Katrina | Category 1 | — | 271 km |
| 2004 | Ivan | Category 1 | 81 mph | 277 km |
| 1995 | Opal | Category 1 | — | 230 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
710 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 393 fatalities, 4,737 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 27, 2011 | EF5 | 45 km | 132.0 mi | 72 |
| Apr 27, 2011 | EF5 | 68 km | 37.1 mi | 23 |
| Apr 8, 1998 | EF5 | 63 km | 30.3 mi | 32 |
| Apr 4, 1977 | EF5 | 85 km | 14.7 mi | 22 |
| Apr 3, 1974 | EF5 | 37 km | 79.5 mi | 28 |
| Apr 3, 1974 | EF5 | 68 km | 52.0 mi | 28 |
| Apr 27, 2011 | EF4 | 98 km | 80.7 mi | 64 |
| Apr 27, 2011 | EF4 | 70 km | 46.9 mi | 6 |
| Apr 27, 2011 | EF4 | 83 km | 127.8 mi | 13 |
| Feb 6, 2008 | EF4 | 70 km | 16.7 mi | 4 |
| Dec 16, 2000 | EF4 | 94 km | 18.0 mi | 11 |
| Feb 23, 1975 | EF4 | 91 km | 14.4 mi | 1 |
| Apr 3, 1974 | EF4 | 82 km | 110.6 mi | 3 |
| Mar 6, 1967 | EF4 | 56 km | 20.9 mi | 2 |
| Apr 29, 1963 | EF4 | 95 km | 4.7 mi | 3 |
| Mar 11, 1963 | EF4 | 77 km | 28.0 mi | 2 |
| Mar 5, 1963 | EF4 | 91 km | 14.9 mi | 0 |
| Nov 17, 1957 | EF4 | 51 km | 7.2 mi | 4 |
| Apr 15, 1956 | EF4 | 83 km | 21.3 mi | 25 |
| Apr 24, 1955 | EF4 | 81 km | 8.6 mi | 5 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (3,112 acres, 2014).
| Year | Name | Acres Burned | Distance |
| 2014 | UNNAMED | 3,112 | 53 km |
| 2000 | UNNAMED | 2,893 | 64 km |
| 2020 | BK OWL CREEK | 2,838 | 65 km |
| 2014 | UNNAMED | 2,822 | 62 km |
| 2017 | UNNAMED | 2,764 | 52 km |
| 2019 | UNNAMED | 2,710 | 62 km |
| 2011 | GREEN TOWER | 2,653 | 69 km |
| 2016 | UNNAMED | 2,602 | 60 km |
| 2017 | UNNAMED | 2,442 | 57 km |
| 1994 | UNNAMED | 2,394 | 78 km |
| 2015 | BIG TREE | 2,288 | 56 km |
| 2018 | UNNAMED | 2,264 | 66 km |
| 2010 | BALLS MT. | 2,229 | 49 km |
| 2011 | MUD CREEK FIRE | 2,224 | 79 km |
| 2015 | UNNAMED | 2,160 | 59 km |
| 2014 | UNNAMED | 2,143 | 49 km |
| 2017 | UNNAMED | 2,114 | 60 km |
| 2021 | BK LEOLA/WARREN | 2,007 | 68 km |
| 2024 | BNK MILL CREEK RX | 1,959 | 52 km |
| 2010 | STINSON GAP | 1,922 | 66 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 5.6 in | Coldest |
| February | 44°F (7°C) | 5.2 in | |
| March | 53°F (11°C) | 6.7 in | Wettest |
| April | 60°F (16°C) | 5.5 in | |
| May | 68°F (20°C) | 5.3 in | |
| June | 75°F (24°C) | 4.0 in | |
| July | 79°F (26°C) | 5.0 in | Warmest |
| August | 78°F (26°C) | 3.7 in | |
| September | 73°F (23°C) | 4.1 in | |
| October | 61°F (16°C) | 3.4 in | Driest |
| November | 51°F (11°C) | 4.7 in | |
| December | 44°F (6°C) | 6.1 in |
Glen Allen has a seasonal temperature swing of 38°F / from 41°F in January to 79°F in July. Total annual precipitation is 59.3 inches, with March being the wettest month (6.7") and October the driest (3.4").