Weather & Climate in Mitchell, IL

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Mitchell enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 30°F in January while summers reach 78°F in July. The area gets 293 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 41.9 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 426 feet.

Temperature

30°F Jan (-1°C) 78°F Jul (26°C)

Annual Average	55.7°F
	3% above US avg
January Average	30°F (-1°C)
July Average	78°F (26°C)
Sunny Days	293 days/yr

Geography

Elevation	426 ft (130 m)
Area	0.6 sq mi (1.5 km²)
Population Density	1,513/sq mi
Coordinates	38.7631°N, 90.0816°W
Timezone	America/Chicago
County	St. Louis city County
Nearest Airport	St Louis Regional (ALN) 9 miles away

Precipitation & Snow

Annual Rainfall 41.9"

10% above US avg

Wettest Month (May) 4.06"

Driest Month (Jan) 1.97"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	98.7 / 100
Social Vulnerability	71.9 / 100
Community Resilience	61.0 / 100

Hazard Breakdown

Tornado	Very High
Hurricane	Very Low
Earthquake	Relatively High
Wildfire	Very Low
Flood	Relatively High
Hail	Relatively Moderate
Strong Wind	Relatively High
Heat Wave	Very High
Winter Weather	Relatively Moderate
Lightning	Relatively High
Ice Storm	Relatively High
Drought	No Rating
Cold Wave	Relatively Moderate
Landslide	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

38 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.

Jun 7, 2011	18 km NNW of Potosi, Missouri	M3.9	105 km	21 km
Mar 2, 1990	9 km NW of Vernon, Illinois	M3.4	80 km	0 km
Aug 27, 1993	5 km SSE of Olympian Village, Missouri	M3.3	81 km	22 km
Apr 6, 1994	2 km NE of Tamaroa, Illinois	M3.2	101 km	15 km
Jan 29, 1993	7 km WNW of Brownstown, Illinois	M3.2	96 km	5 km
Dec 27, 1992	2 km E of Pocahontas, Missouri	M3.2	146 km	10 km
Oct 24, 1990	5 km ENE of Woodlawn, Illinois	M3.2	107 km	1 km
Jul 1, 2017	9 km SSE of Mulberry Grove, Illinois	M3.1	75 km	17 km
Jan 23, 1991	3 km WSW of Logan, Illinois	M3.1	140 km	1 km
Feb 28, 1994	5 km NW of Harrison, Illinois	M3.0	121 km	5 km
Jun 27, 2005	6 km E of Grand Tower, Illinois	M3.0	138 km	10 km
Jul 8, 2003	1 km N of Leasburg, Missouri	M2.9	128 km	4 km
May 18, 2006	9 km SSE of De Soto, Missouri	M2.9	88 km	6 km
Sep 5, 1995	3 km N of Woodlawn, Illinois	M2.9	101 km	4 km
Sep 5, 2004	3 km WNW of Saint Peter, Illinois	M2.9	104 km	33 km
Apr 29, 2022	1 km SSW of Peerless Park, Missouri	M2.8	45 km	8 km
Mar 28, 2024	1 km NNE of Germantown, Illinois	M2.8	52 km	24 km
Aug 26, 1992	5 km W of Frohna, Missouri	M2.8	130 km	2 km
May 5, 2008	3 km SSE of Fenton, Missouri	M2.8	42 km	19 km
Sep 13, 1997	3 km SSE of Darmstadt, Illinois	M2.8	62 km	16 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

626 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 62 fatalities, 1,105 injuries.

Date	Rating	Distance	Path	Fatalities
Nov 17, 2013	EF4	67 km	10.6 mi	2
Apr 22, 2011	EF4	35 km	21.3 mi	0
Apr 3, 1981	EF4	6 km	11.9 mi	0
Jan 24, 1967	EF4	42 km	25.0 mi	3
Feb 10, 1959	EF4	52 km	23.9 mi	21
Feb 24, 1956	EF4	81 km	77.6 mi	6
Dec 10, 2021	EF3	2 km	4.2 mi	6
Dec 10, 2021	EF3	74 km	24.8 mi	1
Dec 1, 2018	EF3	94 km	12.5 mi	0
May 31, 2013	EF3	59 km	31.7 mi	0
May 31, 2013	EF3	7 km	10.6 mi	0
Apr 19, 2011	EF3	79 km	4.3 mi	0
Dec 31, 2010	EF3	45 km	6.7 mi	1
Mar 11, 2006	EF3	75 km	5.1 mi	0
Jun 1, 1999	EF3	71 km	10.0 mi	1
Nov 15, 1988	EF3	17 km	9.0 mi	0
Nov 15, 1988	EF3	54 km	1.0 mi	0
Apr 29, 1984	EF3	76 km	8.0 mi	0
May 1, 1983	EF3	16 km	16.0 mi	0
May 1, 1983	EF3	62 km	4.0 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	30°F (-1°C)	2.0 in	Coldest, Driest
February	34°F (1°C)	2.2 in
March	44°F (7°C)	3.4 in
April	55°F (13°C)	3.7 in
May	65°F (19°C)	4.1 in	Wettest
June	74°F (24°C)	3.7 in
July	78°F (26°C)	3.7 in	Warmest
August	76°F (25°C)	3.3 in
September	69°F (21°C)	3.2 in
October	58°F (14°C)	2.8 in
November	45°F (7°C)	3.3 in
December	34°F (1°C)	3.0 in

Mitchell has a seasonal temperature swing of 48°F / from 30°F in January to 78°F in July. Total annual precipitation is 38.2 inches, with May being the wettest month (4.1") and January the driest (2.0").

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