St. Thomas, MO

Full City Profile · Missouri

4.7 /5.0
A+ Excellent
271 Population 277/sq mi density
$79,250 Median Income $39,732 per capita
$193,800 Home Value $260,026 Zillow
$907 Median Rent 13.3% income on rent
56°F Avg Temperature
A+
Overall
4.7 / 5.0
Strong
A+
Economy
4.6 / 5.0
$79,250 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$193,800 home value, $907/mo rent
A
Education
4.4 / 5.0
42.2% bachelor's degree or higher
St. Thomas enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 32°F in January while summers reach 79°F in July. Annual precipitation totals 39.7 inches. The area receives 8.9 inches of snow annually.

Temperature

32°F Jan (-0°C) 79°F Jul (26°C)
Annual Average56.3°F
4% above US avg
January Average32°F (-0°C)
July Average79°F (26°C)

Geography

Elevation755 ft (230 m)
Area1.0 sq mi (2.5 km²)
Population Density277/sq mi
Coordinates38.3742°N, 92.2145°W
TimezoneAmerica/Chicago
Nearest AirportColumbia Regional (COU)
31 miles away

Precipitation & Snow

Annual Rainfall 39.7"
4% above US avg
Snowfall 8.9"
Wettest Month (May) 4.89"
Driest Month (Feb) 1.87"

Air Quality

Earthquake History

14 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.9. Most recent: M2.6 on Apr 23, 2025.

Jun 7, 2011 18 km NNW of Potosi, Missouri M3.9 119 km
Jul 31, 2005 Missouri M3.3 59 km
Mar 30, 2001 1 km SW of Hermitage, Missouri M3.1 109 km
Jan 21, 1992 5 km SE of Linn Creek, Missouri M3.1 58 km
Feb 8, 2004 6 km SSW of Stoutsville, Missouri M2.9 128 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 85 km
Jul 31, 1995 8 km SSW of Caledonia, Missouri M2.8 145 km
Jul 15, 1990 7 km SW of Potosi, Missouri M2.7 132 km
Apr 4, 2015 3 km ESE of Clinton, Missouri M2.6 133 km
Mar 7, 2009 7 km S of Miramiguoa Park, Missouri M2.6 102 km
Feb 3, 2014 18 km NW of Potosi, Missouri M2.6 117 km
Sep 19, 2024 1 km S of Old Monroe, Missouri M2.6 141 km
Apr 23, 2025 3 km E of Hartville, Missouri M2.6 126 km
Apr 29, 2018 3 km WNW of Evergreen, Missouri M2.5 98 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

383 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 11 fatalities, 221 injuries.

Date Rating Distance Fatalities
May 22, 2019 EF3 35 km 0
Dec 31, 2010 EF3 60 km 2
Dec 31, 2010 EF3 77 km 0
Jan 7, 2008 EF3 54 km 0
Jan 7, 2008 EF3 54 km 0
Mar 13, 2006 EF3 94 km 0
May 4, 2003 EF3 75 km 4
Jun 1, 1999 EF3 63 km 0
Nov 10, 1998 EF3 65 km 0
Nov 27, 1990 EF3 60 km 0
Nov 27, 1990 EF3 65 km 0
May 1, 1983 EF3 27 km 0
Apr 20, 1973 EF3 93 km 0
Jun 12, 1970 EF3 93 km 0
Apr 15, 2023 EF2 42 km 0
May 11, 2016 EF2 93 km 0
Jun 19, 2011 EF2 95 km 0
May 25, 2011 EF2 93 km 0
May 8, 2009 EF2 88 km 0
Mar 31, 2008 EF2 85 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: UNNAMED (7,388 ac, 1994).

Year Name Acres Distance
1994 UNNAMED 7,388 81 km
1994 UNNAMED 5,344 85 km
2006 BIG SPRING FIRE 4,921 82 km
2010 UNNAMED 4,767 79 km
2023 ELM SPRINGS RX 4,378 65 km
2009 MOUNTAIN CREEK 4,322 82 km
1991 UNNAMED 4,179 88 km
2023 CANNON RANGE RX 3,870 83 km
1992 UNNAMED 3,538 79 km
1991 UNNAMED 3,533 88 km
1991 UNNAMED 3,492 89 km
1994 UNNAMED 3,336 73 km
2021 KAINTUCK 3,325 65 km
1991 UNNAMED 3,135 85 km
2012 KINFOLK RD 2,883 83 km
2005 UNNAMED 2,831 65 km
1991 UNNAMED 2,763 91 km
2007 UNNAMED 2,710 83 km
2005 UNNAMED 2,590 80 km
2006 UNNAMED 2,575 79 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 32°F (-0°C) 2.0 in Coldest
February 37°F (3°C) 1.9 in Driest
March 46°F (8°C) 2.9 in
April 57°F (14°C) 4.4 in
May 66°F (19°C) 4.9 in Wettest
June 75°F (24°C) 3.6 in
July 79°F (26°C) 4.4 in Warmest
August 77°F (25°C) 3.6 in
September 69°F (20°C) 3.7 in
October 58°F (14°C) 3.4 in
November 46°F (8°C) 2.8 in
December 36°F (2°C) 2.1 in

St. Thomas has a seasonal temperature swing of 47°F / from 32°F in January to 79°F in July. Total annual precipitation is 39.7 inches, with May being the wettest month (4.9") and February the driest (1.9").

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