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West Alton, MO

Full City Profile · Missouri

3.4 /5.0
B Good
511 Population 18/sq mi density
$128,438 Median Income $35,919 per capita
$156,300 Home Value $203,845 Zillow
$1,313 Median Rent 11.8% income on rent
54°F Avg Temperature 267 sunny days/yr
917 Violent Crime/100K 5,430 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$128,438 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$156,300 home value, $1,313/mo rent
F
Safety
1.0 / 5.0
917 violent crimes/100K (141% above avg)
C+
Education
2.8 / 5.0
21.9% bachelor's degree or higher
West Alton experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 28°F in January while summers reach 77°F in July. The area gets 267 sunny days per year. Annual precipitation totals 38.2 inches. The area receives 6.8 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

28°F Jan (-3°C) 77°F Jul (25°C)
Annual Average54.2°F
0% below US avg
January Average28°F (-3°C)
July Average77°F (25°C)
Sunny Days267 days/yr

Geography

Elevation433 ft (132 m)
Area28.8 sq mi (74.6 km²)
Population Density18/sq mi
Coordinates38.8653°N, 90.2225°W
TimezoneAmerica/Chicago
Nearest AirportSt Louis Regional (ALN)
10 miles away

Precipitation & Snow

Annual Rainfall 38.2"
0% below US avg
Snowfall 6.8"
Wettest Month (May) 4.06"
Driest Month (Jan) 1.85"

Air Quality

AQI Median41.0
RatingGood

Earthquake History

34 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.9. Most recent: M2.6 on Sep 19, 2024.

Jun 7, 2011 18 km NNW of Potosi, Missouri M3.9 106 km
Mar 2, 1990 9 km NW of Vernon, Illinois M3.4 91 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 88 km
Jan 29, 1993 7 km WNW of Brownstown, Illinois M3.2 105 km
Apr 6, 1994 2 km NE of Tamaroa, Illinois M3.2 118 km
Oct 24, 1990 5 km ENE of Woodlawn, Illinois M3.2 123 km
Jul 1, 2017 9 km SSE of Mulberry Grove, Illinois M3.1 86 km
Feb 28, 1994 5 km NW of Harrison, Illinois M3.0 137 km
May 18, 2006 9 km SSE of De Soto, Missouri M2.9 94 km
Sep 5, 2004 3 km WNW of Saint Peter, Illinois M2.9 115 km
Sep 5, 1995 3 km N of Woodlawn, Illinois M2.9 117 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 126 km
Apr 29, 2022 1 km SSW of Peerless Park, Missouri M2.8 45 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 68 km
Jul 31, 1995 8 km SSW of Caledonia, Missouri M2.8 140 km
Aug 26, 1992 5 km W of Frohna, Missouri M2.8 144 km
May 5, 2008 3 km SSE of Fenton, Missouri M2.8 45 km
Sep 13, 1997 3 km SSE of Darmstadt, Illinois M2.8 78 km
Nov 12, 1996 15 km SSE of Olympian Village, Missouri M2.7 98 km
Jul 22, 1998 12 km NE of Mine La Motte, Missouri M2.7 131 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

635 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 60 fatalities, 1,086 injuries.

Date Rating Distance Fatalities
Nov 17, 2013 EF4 83 km 2
Apr 22, 2011 EF4 27 km 0
Apr 3, 1981 EF4 18 km 0
Jan 24, 1967 EF4 35 km 3
Feb 10, 1959 EF4 50 km 21
Feb 24, 1956 EF4 76 km 6
Dec 10, 2021 EF3 19 km 6
Dec 10, 2021 EF3 66 km 1
Dec 1, 2018 EF3 94 km 0
May 31, 2013 EF3 10 km 0
May 31, 2013 EF3 50 km 0
Apr 19, 2011 EF3 73 km 0
Dec 31, 2010 EF3 47 km 1
Mar 13, 2006 EF3 95 km 0
Mar 11, 2006 EF3 83 km 0
Jun 1, 1999 EF3 70 km 1
Nov 15, 1988 EF3 33 km 0
Nov 15, 1988 EF3 42 km 0
Apr 29, 1984 EF3 61 km 0
May 1, 1983 EF3 27 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-3°C) 1.9 in Coldest, Driest
February 33°F (0°C) 2.1 in
March 43°F (6°C) 3.4 in
April 55°F (13°C) 3.8 in
May 64°F (18°C) 4.1 in Wettest
June 73°F (23°C) 3.6 in
July 77°F (25°C) 3.8 in Warmest
August 76°F (24°C) 3.3 in
September 68°F (20°C) 3.3 in
October 57°F (14°C) 2.8 in
November 44°F (7°C) 3.3 in
December 33°F (0°C) 2.9 in

West Alton has a seasonal temperature swing of 50°F / from 28°F in January to 77°F in July. Total annual precipitation is 38.2 inches, with May being the wettest month (4.1") and January the driest (1.9").

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