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Armstrong, MO

Full City Profile · Missouri

1.8 /5.0
D Poor
340 Population 415/sq mi density
$39,667 Median Income $22,774 per capita
54°F Avg Temperature 265 sunny days/yr
109 Violent Crime/100K 1,895 property/100K
D
Overall
1.8 / 5.0
Below average overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$39,667 median income, 5.5% unemployment
F
Safety
1.0 / 5.0
109 violent crimes/100K
F
Education
1.2 / 5.0
2.3% bachelor's degree or higher
Armstrong 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 265 sunny days per year. Annual precipitation totals 39.2 inches. The area receives 5.1 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 Days265 days/yr

Geography

Elevation846 ft (258 m)
Area0.8 sq mi (2.1 km²)
Population Density415/sq mi
Coordinates39.2698°N, 92.7013°W
TimezoneAmerica/Chicago
Nearest AirportColumbia Regional (COU)
41 miles away

Precipitation & Snow

Annual Rainfall 39.2"
3% above US avg
Snowfall 5.1"
Wettest Month (May) 4.92"
Driest Month (Jan) 1.46"

Air Quality

AQI Median41.0
RatingGood

Earthquake History

6 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.3. Most recent: M2.5 on Jul 15, 2025.

May 18, 2005 Missouri M3.3 142 km
Jul 31, 2005 Missouri M3.3 61 km
Jan 21, 1992 5 km SE of Linn Creek, Missouri M3.1 141 km
Feb 8, 2004 6 km SSW of Stoutsville, Missouri M2.9 75 km
Apr 4, 2015 3 km ESE of Clinton, Missouri M2.6 136 km
Jul 15, 2025 3 km W of Hale, Missouri M2.5 69 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

358 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 12 fatalities, 206 injuries.

Date Rating Distance Fatalities
Mar 12, 2006 EF4 49 km 0
Apr 23, 1975 EF4 46 km 1
Apr 20, 1973 EF4 76 km 1
Jun 12, 1970 EF4 35 km 0
Apr 21, 1967 EF4 63 km 0
Mar 12, 2006 EF3 20 km 4
Mar 12, 2006 EF3 50 km 0
May 10, 2003 EF3 95 km 0
Nov 10, 1998 EF3 48 km 0
Jul 4, 1995 EF3 28 km 0
Nov 27, 1990 EF3 48 km 0
Nov 27, 1990 EF3 49 km 0
May 12, 1980 EF3 91 km 0
May 4, 1977 EF3 93 km 0
Apr 23, 1975 EF3 76 km 0
Apr 13, 1974 EF3 79 km 0
May 5, 1971 EF3 56 km 0
May 5, 1971 EF3 52 km 0
Jun 12, 1970 EF3 76 km 0
Jun 12, 1970 EF3 55 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: WOOLDRIDGE FIRE (1,323 ac, 2022).

Year Name Acres Distance
2022 WOOLDRIDGE FIRE 1,323 43 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 1.5 in Coldest, Driest
February 32°F (0°C) 1.5 in
March 43°F (6°C) 2.9 in
April 54°F (12°C) 3.8 in
May 64°F (18°C) 4.9 in Wettest
June 73°F (23°C) 4.5 in
July 77°F (25°C) 3.7 in Warmest
August 76°F (24°C) 3.7 in
September 68°F (20°C) 4.3 in
October 56°F (13°C) 3.5 in
November 43°F (6°C) 2.9 in
December 32°F (-0°C) 2.1 in

Armstrong has a seasonal temperature swing of 51°F / from 27°F in January to 77°F in July. Total annual precipitation is 39.2 inches, with May being the wettest month (4.9") and January the driest (1.5").

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