Weather & Climate in Ashley, IL

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

Ashley experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 77°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 42.2 inches. The area receives 11.7 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 555 feet.

Temperature

30°F Jan (-1°C) 77°F Jul (25°C)

Annual Average	55.1°F
	2% above US avg
January Average	30°F (-1°C)
July Average	77°F (25°C)
Sunny Days	293 days/yr

Geography

Elevation	555 ft (169 m)
Area	0.4 sq mi (1.1 km²)
Population Density	379/sq mi
Coordinates	38.3283°N, 89.1890°W
Timezone	America/Chicago
County	Washington County County
Nearest Airport	St Louis Regional (ALN) 60 miles away

Precipitation & Snow

Annual Rainfall 42.2"

11% above US avg

Snowfall 11.7"

Wettest Month (May) 4.37"

Driest Month (Jan) 2.24"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	55.2 / 100
Social Vulnerability	42.1 / 100
Community Resilience	98.5 / 100

Hazard Breakdown

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

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

Earthquake History

89 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.

Apr 18, 2008	7 km NNE of Bellmont, Illinois	M5.2	114 km	14 km
Sep 26, 1990	4 km SE of Chaffee, Missouri	M4.8	136 km	1 km
Apr 18, 2008	9 km NNE of Bellmont, Illinois	M4.7	116 km	15 km
Jun 18, 2002	6 km SW of Parkers Settlement, Indiana	M4.6	131 km	16 km
Feb 5, 1994	2 km WNW of Dongola, Illinois	M4.2	107 km	16 km
Apr 21, 2008	7 km NNE of Bellmont, Illinois	M4.0	115 km	18 km
Dec 7, 2000	7 km W of Evansville, Indiana	M3.9	141 km	5 km
Nov 11, 1991	3 km W of Flat Rock, Illinois	M3.8	144 km	0 km
Sep 19, 2017	4 km N of Bellmont, Illinois	M3.8	112 km	12 km
Apr 25, 2008	8 km NNE of Bellmont, Illinois	M3.7	116 km	13 km
Nov 20, 2012	7 km N of Bellmont, Illinois	M3.6	113 km	19 km
Jan 2, 2006	3 km NNE of Eldorado, Illinois	M3.6	87 km	7 km
May 1, 2016	5 km SE of New Grand Chain, Illinois	M3.5	125 km	16 km
Jun 5, 2008	8 km WNW of Mount Carmel, Illinois	M3.4	118 km	16 km
Mar 2, 1990	9 km NW of Vernon, Illinois	M3.4	58 km	0 km
May 30, 2015	4 km ENE of Geff, Illinois	M3.4	74 km	26 km
Aug 27, 1993	5 km SSE of Olympian Village, Missouri	M3.3	112 km	22 km
May 1, 2008	8 km NNE of Bellmont, Illinois	M3.3	117 km	14 km
May 13, 2025	7 km SSW of Lerna, Illinois	M3.3	137 km	10 km
Jan 29, 1993	7 km WNW of Brownstown, Illinois	M3.2	80 km	5 km

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

Tornado History

556 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 63 fatalities, 1,020 injuries.

Date	Rating	Distance	Path	Fatalities
Dec 18, 1957	EF5	28 km	5.4 mi	1
Feb 28, 2017	EF4	98 km	53.5 mi	1
Nov 17, 2013	EF4	25 km	10.6 mi	2
Feb 29, 2012	EF4	85 km	26.1 mi	8
Sep 22, 2006	EF4	91 km	27.5 mi	0
Jun 2, 1990	EF4	68 km	23.0 mi	0
Jun 2, 1990	EF4	63 km	106.0 mi	1
May 29, 1982	EF4	59 km	17.0 mi	10
Apr 3, 1981	EF4	93 km	11.9 mi	0
Dec 18, 1957	EF4	11 km	16.8 mi	1
Dec 18, 1957	EF4	74 km	28.3 mi	11
May 26, 2024	EF3	85 km	4.9 mi	0
Dec 10, 2021	EF3	89 km	4.2 mi	6
Feb 28, 2017	EF3	96 km	44.1 mi	1
May 31, 2013	EF3	99 km	10.6 mi	0
Mar 11, 2006	EF3	91 km	53.5 mi	2
Apr 21, 2002	EF3	40 km	31.5 mi	1
Apr 19, 1996	EF3	89 km	11.5 mi	0
Apr 19, 1996	EF3	43 km	17.0 mi	0
Nov 19, 1991	EF3	70 km	1.5 mi	0

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

Wildfire History

16 wildfires (100+ acres) recorded within 100 km. Largest: RED SHALE UNIT RX (2,123 acres, 2021).

Year	Name	Acres Burned	Distance
2021	RED SHALE UNIT RX	2,123	73 km
2014	UNNAMED	1,493	99 km
2024	RED SHALE RX	1,259	74 km
2019	KINKAID RX	1,215	62 km
2022	KINKAID STATE FISH AND WILDLIFE AREA RX	1,115	62 km
2021	STATE OF ILLINOIS TRACT RX	1,011	60 km
2024	CAVE HILL RX	999	100 km
2021	MILL CREEK RX	898	81 km
2024	HAMPTON NORTH RX	807	71 km
2018	UNNAMED	729	62 km
2024	HERRIN FLATS RX	713	72 km
2020	UNNAMED	687	62 km
2013	UNNAMED	651	98 km
2024	HAMPTON RX	628	72 km
2022	BLOWDOWN 16 RX	553	66 km
2019	PINE HILLS RX	542	91 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	30°F (-1°C)	2.2 in	Coldest, Driest
February	34°F (1°C)	2.6 in
March	45°F (7°C)	4.1 in
April	55°F (13°C)	3.9 in
May	65°F (18°C)	4.4 in	Wettest
June	74°F (23°C)	3.8 in
July	77°F (25°C)	3.7 in	Warmest
August	76°F (24°C)	3.2 in
September	69°F (21°C)	3.2 in
October	57°F (14°C)	3.1 in
November	45°F (7°C)	3.9 in
December	35°F (2°C)	3.4 in

Ashley has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 41.4 inches, with May being the wettest month (4.4") and January the driest (2.2").

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