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Weather & Climate in Altheimer, AR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Altheimer enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 43°F in January while summers reach 82°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 50.8 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 204 feet.
Temperature
43°F Jan (6°C)
82°F Jul (28°C)
| Annual Average | 63.0°F |
| 17% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 204 ft (62 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 282/sq mi |
| Coordinates | 34.3274°N, 91.8473°W |
| Timezone | America/Chicago |
| County | Jefferson County County |
| Nearest Airport | Pinebluff Regional/Grider Field (PBF) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 85.2 / 100 |
| Social Vulnerability | 93.7 / 100 |
| Community Resilience | 67.1 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
227 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Feb 28, 2011 | 4 km NE of Greenbrier, Arkansas | M4.7 | 114 km | 3 km |
| May 4, 2001 | 8 km NNW of Holland, Arkansas | M4.3 | 110 km | 8 km |
| Feb 18, 2011 | 4 km NNE of Greenbrier, Arkansas | M4.1 | 116 km | 6 km |
| Feb 18, 2011 | 3 km NNE of Greenbrier, Arkansas | M3.9 | 114 km | 5 km |
| Apr 8, 2011 | 3 km NE of Greenbrier, Arkansas | M3.9 | 114 km | 6 km |
| Oct 29, 2012 | 8 km SW of Parkin, Arkansas | M3.9 | 148 km | 21 km |
| Jun 4, 2014 | 3 km ESE of Fairfield Bay, Arkansas | M3.8 | 144 km | 0 km |
| Feb 17, 2011 | 4 km NNE of Greenbrier, Arkansas | M3.8 | 115 km | 6 km |
| Apr 7, 2011 | 2 km NE of Greenbrier, Arkansas | M3.7 | 113 km | 6 km |
| Feb 28, 2011 | 4 km NNE of Greenbrier, Arkansas | M3.6 | 115 km | 4 km |
| Feb 20, 2011 | 3 km NNE of Greenbrier, Arkansas | M3.6 | 114 km | 5 km |
| Feb 16, 2011 | 4 km NNE of Greenbrier, Arkansas | M3.5 | 115 km | 7 km |
| Feb 25, 2011 | 4 km NNE of Greenbrier, Arkansas | M3.5 | 116 km | 6 km |
| Apr 8, 2011 | 2 km NNE of Greenbrier, Arkansas | M3.5 | 114 km | 6 km |
| Mar 3, 2011 | 0 km N of Greenbrier, Arkansas | M3.5 | 113 km | 7 km |
| Mar 9, 2011 | 1 km NW of Greenbrier, Arkansas | M3.5 | 114 km | 6 km |
| May 22, 2013 | 16 km WSW of Center Ridge, Arkansas | M3.4 | 134 km | 5 km |
| May 24, 2013 | 16 km WSW of Center Ridge, Arkansas | M3.4 | 134 km | 6 km |
| Feb 19, 2011 | 4 km NNE of Greenbrier, Arkansas | M3.4 | 115 km | 7 km |
| Feb 24, 2011 | 4 km SSW of Guy, Arkansas | M3.4 | 116 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Laura | Category 1 | — | 284 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
515 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 133 fatalities, 1,724 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 27, 2014 | EF4 | 89 km | 41.1 mi | 16 |
| Mar 1, 1997 | EF4 | 65 km | 14.0 mi | 10 |
| Mar 1, 1997 | EF4 | 56 km | 11.0 mi | 5 |
| Mar 28, 1975 | EF4 | 90 km | 5.4 mi | 7 |
| Apr 3, 1968 | EF4 | 45 km | 33.7 mi | 5 |
| Apr 10, 1965 | EF4 | 97 km | 4.7 mi | 6 |
| Mar 21, 1952 | EF4 | 64 km | 7.6 mi | 2 |
| Mar 21, 1952 | EF4 | 93 km | 13.1 mi | 29 |
| Mar 31, 2023 | EF3 | 73 km | 34.2 mi | 0 |
| May 10, 2008 | EF3 | 30 km | 14.1 mi | 0 |
| Feb 24, 2007 | EF3 | 66 km | 29.1 mi | 0 |
| May 4, 2003 | EF3 | 95 km | 43.0 mi | 0 |
| May 4, 2003 | EF3 | 89 km | 34.9 mi | 0 |
| Dec 18, 2002 | EF3 | 96 km | 9.8 mi | 1 |
| Feb 24, 2001 | EF3 | 82 km | 42.0 mi | 0 |
| Jan 21, 1999 | EF3 | 80 km | 11.0 mi | 0 |
| Jan 21, 1999 | EF3 | 61 km | 39.0 mi | 0 |
| Jan 21, 1999 | EF3 | 58 km | 39.0 mi | 3 |
| Jan 21, 1999 | EF3 | 85 km | 11.0 mi | 0 |
| Jan 21, 1999 | EF3 | 66 km | 16.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
7 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (3,938 acres, 2000).
| Year | Name | Acres Burned | Distance |
| 2000 | UNNAMED | 3,938 | 71 km |
| 2010 | CAMP | 2,772 | 72 km |
| 2006 | UNNAMED | 2,066 | 64 km |
| 2012 | LACEY | 1,439 | 96 km |
| 2007 | UNNAMED | 1,314 | 88 km |
| 2007 | UNNAMED | 1,194 | 65 km |
| 2007 | UNNAMED | 627 | 69 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.0 in | Coldest |
| February | 46°F (8°C) | 4.1 in | |
| March | 54°F (12°C) | 5.1 in | |
| April | 63°F (17°C) | 5.1 in | |
| May | 71°F (22°C) | 4.9 in | |
| June | 79°F (26°C) | 3.8 in | |
| July | 82°F (28°C) | 3.9 in | Warmest |
| August | 81°F (27°C) | 3.2 in | Driest |
| September | 75°F (24°C) | 3.4 in | |
| October | 64°F (18°C) | 4.2 in | |
| November | 53°F (12°C) | 4.9 in | |
| December | 45°F (7°C) | 5.3 in | Wettest |
Altheimer has a seasonal temperature swing of 39°F / from 43°F in January to 82°F in July. Total annual precipitation is 51.8 inches, with December being the wettest month (5.3") and August the driest (3.2").