Weather & Climate in Maeystown, IL

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

Maeystown enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 32°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 43.6 inches. The area receives 9.2 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 538 feet.

Temperature

32°F Jan (-0°C) 78°F Jul (25°C)

Annual Average	55.7°F
	3% above US avg
January Average	32°F (-0°C)
July Average	78°F (25°C)
Sunny Days	293 days/yr

Geography

Elevation	538 ft (164 m)
Area	0.1 sq mi (0.3 km²)
Population Density	303/sq mi
Coordinates	38.2297°N, 90.2310°W
Timezone	America/Chicago
County	Monroe County County
Nearest Airport	Farmington Regional (FAM) 31 miles away

Precipitation & Snow

Annual Rainfall 43.6"

15% above US avg

Snowfall 9.2"

Wettest Month (May) 4.09"

Driest Month (Jan) 2.05"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	41.9 / 100
Social Vulnerability	10.6 / 100
Community Resilience	94.9 / 100

Hazard Breakdown

Tornado	Relatively Low
Hurricane	Very Low
Earthquake	Relatively Low
Wildfire	Very Low
Flood	Very Low
Hail	Relatively Low
Strong Wind	Relatively Moderate
Heat Wave	Relatively Moderate
Winter Weather	Relatively Low
Lightning	Relatively Low
Ice Storm	Very Low
Drought	Relatively Low
Cold Wave	Relatively Low
Landslide	Relatively Low

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

Earthquake History

60 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.

Sep 26, 1990	4 km SE of Chaffee, Missouri	M4.8	132 km	1 km
Feb 5, 1994	2 km WNW of Dongola, Illinois	M4.2	133 km	16 km
Jun 7, 2011	18 km NNW of Potosi, Missouri	M3.9	61 km	21 km
Mar 2, 1990	9 km NW of Vernon, Illinois	M3.4	115 km	0 km
Aug 27, 1993	5 km SSE of Olympian Village, Missouri	M3.3	24 km	22 km
Oct 24, 1990	5 km ENE of Woodlawn, Illinois	M3.2	111 km	1 km
Apr 6, 1994	2 km NE of Tamaroa, Illinois	M3.2	89 km	15 km
Jan 29, 1993	7 km WNW of Brownstown, Illinois	M3.2	137 km	5 km
Dec 27, 1992	2 km E of Pocahontas, Missouri	M3.2	97 km	10 km
May 2, 2003	10 km ENE of Thompsonville, Illinois	M3.2	140 km	0 km
Jul 1, 2017	9 km SSE of Mulberry Grove, Illinois	M3.1	111 km	17 km
Mar 12, 2002	6 km S of Marble Hill, Missouri	M3.1	112 km	10 km
Jan 23, 1991	3 km WSW of Logan, Illinois	M3.1	123 km	1 km
Jun 27, 2005	6 km E of Grand Tower, Illinois	M3.0	97 km	10 km
Mar 1, 2006	2 km N of Buncombe, Illinois	M3.0	137 km	6 km
Feb 28, 1994	5 km NW of Harrison, Illinois	M3.0	87 km	5 km
May 18, 2006	9 km SSE of De Soto, Missouri	M2.9	32 km	6 km
Sep 5, 1995	3 km N of Woodlawn, Illinois	M2.9	105 km	4 km
May 21, 2012	6 km SW of Williamsville, Missouri	M2.9	148 km	10 km
Sep 5, 2004	3 km WNW of Saint Peter, Illinois	M2.9	138 km	33 km

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

Tornado History

595 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 90 fatalities, 1,447 injuries.

Date	Rating	Distance	Path	Fatalities
Dec 18, 1957	EF5	87 km	5.4 mi	1
Feb 28, 2017	EF4	60 km	53.5 mi	1
Nov 17, 2013	EF4	71 km	10.6 mi	2
Apr 22, 2011	EF4	61 km	21.3 mi	0
Sep 22, 2006	EF4	71 km	27.5 mi	0
Apr 3, 1981	EF4	55 km	11.9 mi	0
Jun 22, 1969	EF4	82 km	20.2 mi	2
Jun 22, 1969	EF4	62 km	15.1 mi	4
Dec 21, 1967	EF4	100 km	27.9 mi	3
Jan 24, 1967	EF4	57 km	25.0 mi	3
Feb 10, 1959	EF4	46 km	23.9 mi	21
Dec 18, 1957	EF4	88 km	28.3 mi	11
Feb 24, 1956	EF4	65 km	77.6 mi	6
Dec 10, 2021	EF3	61 km	4.2 mi	6
Dec 10, 2021	EF3	72 km	24.8 mi	1
Oct 24, 2021	EF3	60 km	16.7 mi	0
Oct 24, 2021	EF3	78 km	18.8 mi	0
May 31, 2013	EF3	68 km	31.7 mi	0
May 31, 2013	EF3	64 km	10.6 mi	0
Dec 31, 2010	EF3	36 km	6.7 mi	1

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: SMITH MILL HOLLOW (3,978 acres, 2022).

Year	Name	Acres Burned	Distance
2022	SMITH MILL HOLLOW	3,978	74 km
2021	COUNCIL BLUFF	3,035	84 km
2024	COUNCIL BLUFF WEST RX	2,846	84 km
2005	UNNAMED	2,751	81 km
2019	UNNAMED	2,688	78 km
2010	COUNCIL BLUFF LAKE	2,651	85 km
2006	UNNAMED	2,512	85 km
2021	BEAR PAW	2,080	84 km
2024	BEAR PAW RX	2,067	84 km
2004	CICERO CREEK	1,846	72 km
2021	BERRYMAN BLOCK B AND C	1,728	80 km
2015	UNNAMED	1,586	82 km
2010	DELBRIDGE SOUTH	1,574	82 km
2000	UNNAMED	1,552	74 km
1999	UNNAMED	1,483	74 km
2024	HARMON SPRING RX	1,330	78 km
2018	UNNAMED	1,285	78 km
2000	UNNAMED	1,260	88 km
2019	KINKAID RX	1,215	84 km
2013	UNNAMED	1,196	83 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	32°F (-0°C)	2.1 in	Coldest, Driest
February	35°F (1°C)	2.3 in
March	45°F (7°C)	3.8 in
April	55°F (13°C)	3.7 in
May	65°F (18°C)	4.1 in	Wettest
June	73°F (23°C)	3.5 in
July	78°F (25°C)	3.6 in	Warmest
August	76°F (24°C)	3.3 in
September	69°F (21°C)	3.5 in
October	58°F (14°C)	2.9 in
November	46°F (8°C)	3.7 in
December	35°F (1°C)	3.3 in

Maeystown has a seasonal temperature swing of 46°F / from 32°F in January to 78°F in July. Total annual precipitation is 39.7 inches, with May being the wettest month (4.1") and January the driest (2.1").

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