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Silex, MO

Full City Profile · Missouri

1.2 /5.0
F Poor
383 Population 1,321/sq mi density
$176,100 Home Value $373,391 Zillow
$688 Median Rent 19.3% income on rent
54°F Avg Temperature 269 sunny days/yr
319 Violent Crime/100K 1,278 property/100K
F
Overall
1.2 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
319 violent crimes/100K
F
Education
1.4 / 5.0
5.0% bachelor's degree or higher
Silex experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 27°F in January while summers reach 77°F in July. The area gets 269 sunny days per year. Annual precipitation totals 36.8 inches. The area receives 5.9 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

27°F Jan (-3°C) 77°F Jul (25°C)
Annual Average53.7°F
1% below US avg
January Average27°F (-3°C)
July Average77°F (25°C)
Sunny Days269 days/yr

Geography

Elevation515 ft (157 m)
Area0.2 sq mi (0.5 km²)
Population Density1,321/sq mi
Coordinates39.1234°N, 91.0543°W
TimezoneAmerica/Chicago
Nearest AirportSt Louis Lambert International (STL)
45 miles away

Precipitation & Snow

Annual Rainfall 36.8"
3% below US avg
Snowfall 5.9"
Wettest Month (May) 4.25"
Driest Month (Jan) 1.61"

Air Quality

AQI Median41.0
RatingGood

Earthquake History

20 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 M3.9 117 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 127 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 115 km
Feb 8, 2004 6 km SSW of Stoutsville, Missouri M2.9 82 km
May 18, 2006 9 km SSE of De Soto, Missouri M2.9 128 km
Apr 29, 2022 1 km SSW of Peerless Park, Missouri M2.8 82 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 145 km
May 5, 2008 3 km SSE of Fenton, Missouri M2.8 90 km
Sep 13, 1997 3 km SSE of Darmstadt, Illinois M2.8 149 km
Jul 15, 1990 7 km SW of Potosi, Missouri M2.7 140 km
Nov 12, 1996 15 km SSE of Olympian Village, Missouri M2.7 137 km
Sep 5, 2015 5 km SE of High Ridge, Missouri M2.7 92 km
Nov 25, 2013 8 km NE of Bonne Terre, Missouri M2.6 137 km
Feb 3, 2014 18 km NW of Potosi, Missouri M2.6 118 km
Mar 7, 2009 7 km S of Miramiguoa Park, Missouri M2.6 106 km
Jun 6, 2017 8 km ENE of Bonne Terre, Missouri M2.6 140 km
Sep 11, 2019 6 km NNE of Bonne Terre, Missouri M2.6 135 km
Sep 19, 2024 1 km S of Old Monroe, Missouri M2.6 35 km
Jan 15, 1998 1 km SSE of Fenton, Missouri M2.5 88 km
Aug 11, 2010 7 km NNW of Bloomsdale, Missouri M2.5 136 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

475 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 46 fatalities, 919 injuries.

Date Rating Distance Fatalities
Apr 22, 2011 EF4 65 km 0
Apr 3, 1981 EF4 92 km 0
Jan 24, 1967 EF4 66 km 3
Feb 10, 1959 EF4 77 km 21
Feb 24, 1956 EF4 76 km 6
Dec 10, 2021 EF3 95 km 6
Dec 10, 2021 EF3 60 km 1
May 31, 2013 EF3 86 km 0
May 31, 2013 EF3 55 km 0
Dec 31, 2010 EF3 87 km 1
Mar 13, 2006 EF3 28 km 0
Mar 13, 2006 EF3 38 km 0
May 10, 2003 EF3 84 km 0
Nov 15, 1988 EF3 47 km 0
Apr 29, 1984 EF3 23 km 0
May 1, 1983 EF3 96 km 0
May 1, 1983 EF3 70 km 0
Apr 7, 1980 EF3 73 km 0
Jun 12, 1970 EF3 67 km 0
Oct 24, 1967 EF3 67 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 1.6 in Coldest, Driest
February 33°F (0°C) 1.8 in
March 43°F (6°C) 3.1 in
April 54°F (12°C) 3.7 in
May 64°F (18°C) 4.3 in Wettest
June 72°F (22°C) 3.7 in
July 77°F (25°C) 3.6 in Warmest
August 75°F (24°C) 3.2 in
September 67°F (20°C) 3.3 in
October 56°F (13°C) 2.8 in
November 43°F (6°C) 3.3 in
December 32°F (0°C) 2.4 in

Silex has a seasonal temperature swing of 50°F / from 27°F in January to 77°F in July. Total annual precipitation is 36.8 inches, with May being the wettest month (4.3") and January the driest (1.6").

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