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Weather & Climate in Alamo, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alamo enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 38°F in January while summers reach 79°F in July. The area gets 301 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 53.6 inches (wetter than the 38-inch national average). The area receives 3.7 inches of snow annually. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 363 feet.
Temperature
38°F Jan (3°C)
79°F Jul (26°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 363 ft (111 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 1,166/sq mi |
| Coordinates | 35.7829°N, 89.1169°W |
| Timezone | America/Chicago |
| County | Crockett County County |
| Nearest Airport | Mc Kellar-Sipes Regional (MKL) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 52.6 / 100 |
| Social Vulnerability | 81.5 / 100 |
| Community Resilience | 51.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
351 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| May 4, 1991 | 2 km NNW of Risco, Missouri | M4.5 | 109 km | 11 km |
| May 1, 2005 | 5 km SSE of Manila, Arkansas | M4.2 | 93 km | 10 km |
| Feb 10, 2005 | 3 km NNW of Etowah, Arkansas | M4.1 | 102 km | 15 km |
| Apr 30, 2003 | 1 km N of Blytheville, Arkansas | M4.0 | 74 km | 24 km |
| Jun 2, 2005 | 12 km S of Ridgely, Tennessee | M4.0 | 52 km | 15 km |
| Jun 6, 2003 | 1 km NE of Bardwell, Kentucky | M4.0 | 122 km | 3 km |
| Feb 21, 2012 | 4 km SSE of Bertrand, Missouri | M3.9 | 124 km | 8 km |
| May 16, 2024 | 6 km S of Ridgely, Tennessee | M3.8 | 57 km | 8 km |
| Sep 17, 1997 | 2 km E of Trumann, Arkansas | M3.8 | 124 km | 0 km |
| Nov 29, 1996 | 1 km W of Blytheville, Arkansas | M3.8 | 76 km | 19 km |
| Mar 2, 2010 | 2 km ENE of East Prairie, Missouri | M3.7 | 114 km | 8 km |
| Feb 23, 2013 | 7 km SW of Trumann, Arkansas | M3.7 | 132 km | 14 km |
| Apr 24, 2019 | 12 km NNW of Dyersburg, Tennessee | M3.7 | 49 km | 14 km |
| Jan 16, 2018 | 4 km SW of Caruthersville, Missouri | M3.6 | 66 km | 9 km |
| Oct 15, 2017 | 6 km SE of Manila, Arkansas | M3.6 | 90 km | 17 km |
| Jun 20, 2005 | 4 km WSW of Blandville, Kentucky | M3.6 | 127 km | 19 km |
| Apr 2, 2015 | 1 km WNW of Cooter, Missouri | M3.6 | 70 km | 10 km |
| Mar 15, 2017 | 9 km ESE of Wyatt, Missouri | M3.6 | 122 km | 8 km |
| Jan 8, 1993 | 6 km WSW of Gosnell, Arkansas | M3.5 | 84 km | 22 km |
| Jul 16, 2004 | 6 km SE of Wyatt, Missouri | M3.5 | 120 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
502 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 242 fatalities, 2,055 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 10, 2021 | EF4 | 78 km | 168.5 mi | 57 |
| Feb 5, 2008 | EF4 | 94 km | 16.2 mi | 3 |
| Feb 5, 2008 | EF4 | 26 km | 7.6 mi | 0 |
| May 4, 2003 | EF4 | 30 km | 39.0 mi | 11 |
| Jan 17, 1999 | EF4 | 31 km | 16.0 mi | 6 |
| Apr 16, 1998 | EF4 | 96 km | 5.0 mi | 2 |
| Mar 1, 1997 | EF4 | 96 km | 20.0 mi | 0 |
| Mar 1, 1997 | EF4 | 36 km | 10.0 mi | 0 |
| Mar 1, 1997 | EF4 | 53 km | 15.0 mi | 1 |
| May 7, 1971 | EF4 | 44 km | 50.9 mi | 3 |
| Apr 3, 1956 | EF4 | 63 km | 11.6 mi | 3 |
| Mar 21, 1952 | EF4 | 27 km | 4.7 mi | 2 |
| Mar 21, 1952 | EF4 | 58 km | 46.8 mi | 38 |
| Mar 21, 1952 | EF4 | 70 km | 6.5 mi | 17 |
| Mar 21, 1952 | EF4 | 38 km | 2.0 mi | 4 |
| Mar 31, 2023 | EF3 | 74 km | 39.2 mi | 1 |
| Mar 31, 2023 | EF3 | 75 km | 86.0 mi | 9 |
| Dec 10, 2021 | EF3 | 40 km | 122.6 mi | 0 |
| Feb 5, 2008 | EF3 | 51 km | 31.1 mi | 3 |
| Apr 2, 2006 | EF3 | 33 km | 31.0 mi | 6 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1811 | AR: NE - NEW MADRID EARTHQUAKES | Eruption + Earthquake | — | — | 118 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: UNNAMED (1,010 acres, 1996).
| Year | Name | Acres Burned | Distance |
| 1996 | UNNAMED | 1,010 | 81 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 3.8 in | Coldest |
| February | 41°F (5°C) | 4.2 in | |
| March | 50°F (10°C) | 5.2 in | |
| April | 60°F (15°C) | 5.0 in | |
| May | 68°F (20°C) | 5.3 in | Wettest |
| June | 76°F (25°C) | 4.2 in | |
| July | 79°F (26°C) | 4.4 in | Warmest |
| August | 78°F (26°C) | 3.3 in | |
| September | 72°F (22°C) | 3.9 in | |
| October | 61°F (16°C) | 3.1 in | Driest |
| November | 50°F (10°C) | 4.8 in | |
| December | 41°F (5°C) | 5.3 in |
Alamo has a seasonal temperature swing of 41°F / from 38°F in January to 79°F in July. Total annual precipitation is 52.5 inches, with May being the wettest month (5.3") and October the driest (3.1").