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Florissant, MO

Full City Profile · Missouri

3.2 /5.0
B Good
51,915 Population 4,137/sq mi density
$66,344 Median Income $33,023 per capita
$136,200 Home Value $187,589 Zillow
$1,259 Median Rent 28.3% income on rent
56°F Avg Temperature 266 sunny days/yr
187 Violent Crime/100K 1,741 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$66,344 median income, 3.6% unemployment
A+
Affordability
5.0 / 5.0
$136,200 home value, $1,259/mo rent
F
Safety
1.0 / 5.0
187 violent crimes/100K
C+
Education
2.8 / 5.0
22.7% bachelor's degree or higher
Florissant enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 29°F in January while summers reach 79°F in July. The area gets 266 sunny days per year. Annual precipitation totals 38.4 inches. The area receives 7.1 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

29°F Jan (-2°C) 79°F Jul (26°C)
Annual Average55.5°F
3% above US avg
January Average29°F (-2°C)
July Average79°F (26°C)
Sunny Days266 days/yr

Geography

Elevation581 ft (177 m)
Area12.9 sq mi (33.3 km²)
Population Density4,137/sq mi
Coordinates38.7892°N, 90.3226°W
TimezoneAmerica/Chicago
Nearest AirportSt Louis Lambert International (STL)
4 miles away

Precipitation & Snow

Annual Rainfall 38.4"
1% above US avg
Snowfall 7.1"
Wettest Month (May) 4.06"
Driest Month (Jan) 1.97"

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 94 km
Mar 2, 1990 9 km NW of Vernon, Illinois M3.4 100 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 78 km
Jan 29, 1993 7 km WNW of Brownstown, Illinois M3.2 115 km
Apr 6, 1994 2 km NE of Tamaroa, Illinois M3.2 120 km
Oct 24, 1990 5 km ENE of Woodlawn, Illinois M3.2 127 km
Jul 1, 2017 9 km SSE of Mulberry Grove, Illinois M3.1 95 km
Feb 28, 1994 5 km NW of Harrison, Illinois M3.0 135 km
May 18, 2006 9 km SSE of De Soto, Missouri M2.9 84 km
Sep 5, 2004 3 km WNW of Saint Peter, Illinois M2.9 125 km
Sep 5, 1995 3 km N of Woodlawn, Illinois M2.9 121 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 114 km
Apr 29, 2022 1 km SSW of Peerless Park, Missouri M2.8 33 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 73 km
Jul 31, 1995 8 km SSW of Caledonia, Missouri M2.8 129 km
Aug 26, 1992 5 km W of Frohna, Missouri M2.8 139 km
May 5, 2008 3 km SSE of Fenton, Missouri M2.8 34 km
Sep 13, 1997 3 km SSE of Darmstadt, Illinois M2.8 77 km
Nov 12, 1996 15 km SSE of Olympian Village, Missouri M2.7 88 km
Jul 22, 1998 12 km NE of Mine La Motte, Missouri M2.7 123 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

601 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 60 fatalities, 1,054 injuries.

Date Rating Distance Fatalities
Nov 17, 2013 EF4 86 km 2
Apr 22, 2011 EF4 15 km 0
Apr 3, 1981 EF4 18 km 0
Jan 24, 1967 EF4 23 km 3
Feb 10, 1959 EF4 38 km 21
Feb 24, 1956 EF4 64 km 6
Dec 10, 2021 EF3 23 km 6
Dec 10, 2021 EF3 55 km 1
May 31, 2013 EF3 15 km 0
May 31, 2013 EF3 39 km 0
Apr 19, 2011 EF3 84 km 0
Dec 31, 2010 EF3 36 km 1
Mar 13, 2006 EF3 87 km 0
Mar 13, 2006 EF3 95 km 0
Mar 11, 2006 EF3 74 km 0
Jun 1, 1999 EF3 82 km 1
Nov 15, 1988 EF3 33 km 0
Nov 15, 1988 EF3 34 km 0
Apr 29, 1984 EF3 55 km 0
May 1, 1983 EF3 23 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 29°F (-2°C) 2.0 in Coldest, Driest
February 34°F (1°C) 2.2 in
March 45°F (7°C) 3.5 in
April 56°F (13°C) 3.7 in
May 66°F (19°C) 4.1 in Wettest
June 75°F (24°C) 3.7 in
July 79°F (26°C) 3.8 in Warmest
August 77°F (25°C) 3.2 in
September 70°F (21°C) 3.2 in
October 58°F (14°C) 2.8 in
November 45°F (7°C) 3.4 in
December 34°F (1°C) 3.0 in

Florissant has a seasonal temperature swing of 50°F / from 29°F in January to 79°F in July. Total annual precipitation is 38.4 inches, with May being the wettest month (4.1") and January the driest (2.0").

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