Clayton, MO

Full City Profile · Missouri

3.5 /5.0
B+ Good
17,282 Population 6,885/sq mi density
$128,898 Median Income $75,049 per capita
$799,200 Home Value $887,161 Zillow
$1,648 Median Rent 24.4% income on rent
58°F Avg Temperature
103 Violent Crime/100K 800 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$128,898 median income, 2.5% unemployment
B
Affordability
3.2 / 5.0
$799,200 home value, $1,648/mo rent
F
Safety
1.0 / 5.0
103 violent crimes/100K
A+
Education
5.0 / 5.0
83.8% bachelor's degree or higher
Clayton enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 33°F in January while summers reach 81°F in July. Annual precipitation totals 43.9 inches. The area receives 16.6 inches of snow annually.

Temperature

33°F Jan (0°C) 81°F Jul (27°C)
Annual Average58.0°F
7% above US avg
January Average33°F (0°C)
July Average81°F (27°C)

Geography

Elevation597 ft (182 m)
Area2.5 sq mi (6.4 km²)
Population Density6,885/sq mi
Coordinates38.6426°N, 90.3237°W
TimezoneAmerica/Chicago
Nearest AirportSt Louis Lambert International (STL)
8 miles away

Precipitation & Snow

Annual Rainfall 43.9"
16% above US avg
Snowfall 16.6"
Wettest Month (May) 4.90"
Driest Month (Feb) 2.28"

Air Quality

Earthquake History

41 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 81 km
Mar 2, 1990 9 km NW of Vernon, Illinois M3.4 103 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 62 km
Jan 29, 1993 7 km WNW of Brownstown, Illinois M3.2 120 km
Oct 24, 1990 5 km ENE of Woodlawn, Illinois M3.2 122 km
Dec 27, 1992 2 km E of Pocahontas, Missouri M3.2 141 km
Apr 6, 1994 2 km NE of Tamaroa, Illinois M3.2 111 km
Jul 1, 2017 9 km SSE of Mulberry Grove, Illinois M3.1 98 km
Jan 23, 1991 3 km WSW of Logan, Illinois M3.1 149 km
Jun 27, 2005 6 km E of Grand Tower, Illinois M3.0 137 km
Feb 28, 1994 5 km NW of Harrison, Illinois M3.0 122 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 104 km
May 18, 2006 9 km SSE of De Soto, Missouri M2.9 68 km
Sep 5, 1995 3 km N of Woodlawn, Illinois M2.9 116 km
Sep 5, 2004 3 km WNW of Saint Peter, Illinois M2.9 127 km
Apr 29, 2022 1 km SSW of Peerless Park, Missouri M2.8 20 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 69 km
Aug 26, 1992 5 km W of Frohna, Missouri M2.8 125 km
Sep 13, 1997 3 km SSE of Darmstadt, Illinois M2.8 66 km
May 5, 2008 3 km SSE of Fenton, Missouri M2.8 19 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

577 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 63 fatalities, 1,112 injuries.

Date Rating Distance Fatalities
Nov 17, 2013 EF4 80 km 2
Apr 22, 2011 EF4 18 km 0
Apr 3, 1981 EF4 19 km 0
Jan 24, 1967 EF4 20 km 3
Feb 10, 1959 EF4 27 km 21
Feb 24, 1956 EF4 56 km 6
Dec 10, 2021 EF3 51 km 1
Dec 10, 2021 EF3 26 km 6
May 31, 2013 EF3 23 km 0
May 31, 2013 EF3 37 km 0
Apr 19, 2011 EF3 99 km 0
Dec 31, 2010 EF3 21 km 1
Mar 13, 2006 EF3 89 km 0
Mar 11, 2006 EF3 58 km 0
Mar 11, 2006 EF3 96 km 2
Jun 1, 1999 EF3 94 km 1
Nov 15, 1988 EF3 28 km 0
Nov 15, 1988 EF3 37 km 0
Apr 29, 1984 EF3 62 km 0
May 1, 1983 EF3 15 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

11 wildfires (100+ acres) within 100 km. Largest: SMITH MILL HOLLOW (3,978 ac, 2022).

Year Name Acres Distance
2022 SMITH MILL HOLLOW 3,978 97 km
2019 UNNAMED 2,688 99 km
2004 CICERO CREEK 1,846 91 km
2024 HARMON SPRING RX 1,330 97 km
2018 UNNAMED 1,285 97 km
2024 FLATWOODS RX 796 97 km
2005 UNNAMED 741 95 km
1995 UNNAMED 724 95 km
1989 UNNAMED 600 92 km
2000 UNNAMED 549 92 km
1997 FLATWOODS 530 97 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 33°F (0°C) 2.7 in Coldest
February 37°F (3°C) 2.3 in Driest
March 47°F (8°C) 3.6 in
April 58°F (14°C) 4.8 in
May 68°F (20°C) 4.9 in Wettest
June 77°F (25°C) 4.7 in
July 81°F (27°C) 4.2 in Warmest
August 79°F (26°C) 3.8 in
September 72°F (22°C) 3.4 in
October 60°F (16°C) 3.2 in
November 48°F (9°C) 3.7 in
December 37°F (3°C) 2.6 in

Clayton has a seasonal temperature swing of 48°F / from 33°F in January to 81°F in July. Total annual precipitation is 43.9 inches, with May being the wettest month (4.9") and February the driest (2.3").

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