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St. Ann, MO

Full City Profile · Missouri

3.0 /5.0
B Good
12,865 Population 4,071/sq mi density
$52,059 Median Income $29,404 per capita
$118,600 Home Value $118,635 Zillow
$952 Median Rent 28.0% income on rent
58°F Avg Temperature 293 sunny days/yr
316 Violent Crime/100K 1,806 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$52,059 median income, 2.6% unemployment
A+
Affordability
5.0 / 5.0
$118,600 home value, $952/mo rent
F
Safety
1.0 / 5.0
316 violent crimes/100K
C
Education
2.5 / 5.0
18.2% bachelor's degree or higher
St. Ann enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 38°F in January while summers reach 78°F in July. The area gets 293 sunny days per year. Annual precipitation totals 45.6 inches. The area receives 7.6 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

38°F Jan (3°C) 78°F Jul (26°C)
Annual Average58.2°F
8% above US avg
January Average38°F (3°C)
July Average78°F (26°C)
Sunny Days293 days/yr

Geography

Elevation594 ft (181 m)
Area3.2 sq mi (8.2 km²)
Population Density4,071/sq mi
Coordinates38.7281°N, 90.3879°W
TimezoneAmerica/Chicago
Nearest AirportSt Louis Lambert International (STL)
2 miles away

Precipitation & Snow

Annual Rainfall 45.6"
20% above US avg
Snowfall 7.6"
Wettest Month (May) 4.09"
Driest Month (Jan) 1.93"

Air Quality

AQI Median41.0
RatingGood

Earthquake History

35 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 85 km
Mar 2, 1990 9 km NW of Vernon, Illinois M3.4 106 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 71 km
Oct 24, 1990 5 km ENE of Woodlawn, Illinois M3.2 130 km
Jan 29, 1993 7 km WNW of Brownstown, Illinois M3.2 122 km
Apr 6, 1994 2 km NE of Tamaroa, Illinois M3.2 120 km
Jul 1, 2017 9 km SSE of Mulberry Grove, Illinois M3.1 102 km
Jun 27, 2005 6 km E of Grand Tower, Illinois M3.0 148 km
Feb 28, 1994 5 km NW of Harrison, Illinois M3.0 133 km
Sep 5, 1995 3 km N of Woodlawn, Illinois M2.9 124 km
Sep 5, 2004 3 km WNW of Saint Peter, Illinois M2.9 131 km
May 18, 2006 9 km SSE of De Soto, Missouri M2.9 76 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 105 km
Apr 29, 2022 1 km SSW of Peerless Park, Missouri M2.8 24 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 76 km
Aug 26, 1992 5 km W of Frohna, Missouri M2.8 136 km
May 5, 2008 3 km SSE of Fenton, Missouri M2.8 27 km
Sep 13, 1997 3 km SSE of Darmstadt, Illinois M2.8 77 km
Jul 31, 1995 8 km SSW of Caledonia, Missouri M2.8 121 km
Nov 12, 1996 15 km SSE of Olympian Village, Missouri M2.7 81 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

587 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 61 fatalities, 1,075 injuries.

Date Rating Distance Fatalities
Nov 17, 2013 EF4 88 km 2
Apr 22, 2011 EF4 9 km 0
Apr 3, 1981 EF4 22 km 0
Jan 24, 1967 EF4 15 km 3
Feb 10, 1959 EF4 29 km 21
Feb 24, 1956 EF4 56 km 6
Dec 10, 2021 EF3 29 km 6
Dec 10, 2021 EF3 47 km 1
May 31, 2013 EF3 22 km 0
May 31, 2013 EF3 32 km 0
Apr 19, 2011 EF3 93 km 0
Dec 31, 2010 EF3 27 km 1
Mar 13, 2006 EF3 92 km 0
Mar 13, 2006 EF3 82 km 0
Mar 11, 2006 EF3 68 km 0
Jun 1, 1999 EF3 90 km 1
Nov 15, 1988 EF3 36 km 0
Nov 15, 1988 EF3 28 km 0
Apr 29, 1984 EF3 52 km 0
May 1, 1983 EF3 23 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

3 wildfires (100+ acres) within 100 km. Largest: CICERO CREEK (1,846 ac, 2004).

Year Name Acres Distance
2004 CICERO CREEK 1,846 94 km
1989 UNNAMED 600 98 km
2000 UNNAMED 549 96 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 38°F (3°C) 1.9 in Driest
February 34°F (1°C) 2.1 in
March 45°F (7°C) 3.5 in
April 56°F (13°C) 3.8 in
May 66°F (19°C) 4.1 in Wettest
June 75°F (24°C) 3.6 in
July 78°F (26°C) 3.8 in Warmest
August 77°F (25°C) 3.2 in
September 69°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) 2.9 in Coldest

St. Ann has a seasonal temperature swing of 45°F / from 34°F in December to 78°F in July. Total annual precipitation is 38.4 inches, with May being the wettest month (4.1") and January the driest (1.9").

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