Weather & Climate in Andres, IL

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

Andres experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 23°F in January while summers reach 74°F in July. The area gets 275 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 42.1 inches. The area receives 28.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 722 feet.

Temperature

23°F Jan (-5°C) 74°F Jul (23°C)

Annual Average	49.8°F
	8% below US avg
January Average	23°F (-5°C)
July Average	74°F (23°C)
Sunny Days	275 days/yr

Geography

Elevation	722 ft (220 m)
Area	0.1 sq mi (0.3 km²)
Population Density	350/sq mi
Coordinates	41.3710°N, 87.8815°W
Timezone	America/Chicago
County	Will County County
Nearest Airport	Joliet Regional (JOT) 18 miles away

Precipitation & Snow

Annual Rainfall 42.1"

11% above US avg

Snowfall 28.2"

Wettest Month (Jun) 4.25"

Driest Month (Feb) 1.42"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	97.3 / 100
Social Vulnerability	13.4 / 100
Community Resilience	92.4 / 100

Hazard Breakdown

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

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

Earthquake History

8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.

Jun 28, 2004	12 km NW of Dayton, Illinois	M4.2	86 km	10 km
Feb 10, 2010	2 km NW of Lily Lake, Illinois	M3.8	84 km	10 km
Sep 2, 1999	8 km W of Amboy, Illinois	M3.5	135 km	5 km
Nov 4, 2013	1 km SSW of Lyons, Illinois	M3.2	48 km	1 km
Jul 15, 2024	2 km WNW of Somonauk, Illinois	M3.1	76 km	10 km
Mar 25, 2015	3 km WNW of Lake in the Hills, Illinois	M2.9	99 km	6 km
Jun 10, 2013	4 km NNE of Virgil, Illinois	M2.6	86 km	5 km
Mar 15, 2025	6 km W of Dwight, Illinois	M2.6	61 km	5 km

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

Tornado History

596 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 82 fatalities, 1,651 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 28, 1990	EF5	52 km	16.4 mi	29
Jun 29, 1979	EF4	33 km	5.4 mi	0
Jun 13, 1976	EF4	35 km	3.3 mi	2
Apr 21, 1967	EF4	92 km	8.8 mi	1
Apr 21, 1967	EF4	34 km	15.0 mi	33
Apr 17, 1963	EF4	28 km	57.3 mi	1
Jun 20, 2021	EF3	49 km	17.6 mi	0
Feb 28, 2017	EF3	89 km	11.5 mi	2
Jun 22, 2015	EF3	42 km	16.3 mi	0
Jun 5, 2010	EF3	36 km	7.8 mi	0
Jun 5, 2010	EF3	77 km	8.6 mi	0
Mar 27, 1991	EF3	30 km	15.0 mi	0
Apr 27, 1984	EF3	42 km	9.0 mi	1
Apr 2, 1982	EF3	37 km	12.0 mi	0
Jun 30, 1977	EF3	96 km	6.1 mi	0
Mar 12, 1976	EF3	49 km	22.6 mi	0
Mar 12, 1976	EF3	84 km	12.6 mi	0
Mar 12, 1976	EF3	44 km	38.5 mi	1
Jun 20, 1974	EF3	40 km	4.5 mi	0
May 15, 1968	EF3	85 km	7.1 mi	0

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

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1954	MICHIGAN CITY, IN (LAKE MICHIGAN)	Avalanche	3.0 m	7	91 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

12 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,741 acres, 2019).

Year	Name	Acres Burned	Distance
2019	UNNAMED	1,741	24 km
2019	UNNAMED	1,664	19 km
2000	UNNAMED	1,602	50 km
2021	NORTHEAST PRAIRIE UNIT 3	978	13 km
2024	NORTHEAST PRAIRIE 3 RX	938	13 km
1986	OGDEN DUNS	863	61 km
2021	UNNAMED	738	14 km
2021	MIDDLE GRANT CREEK	700	23 km
2019	UNNAMED	698	13 km
2021	21-INDU TOLLESTON DUNES EAST	594	62 km
2017	UNNAMED	549	23 km
2017	17 INDU COWLES DUNES	522	72 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	23°F (-5°C)	1.5 in	Coldest
February	26°F (-3°C)	1.4 in	Driest
March	37°F (3°C)	2.8 in
April	49°F (9°C)	4.0 in
May	60°F (16°C)	4.1 in
June	70°F (21°C)	4.3 in	Wettest
July	74°F (23°C)	3.9 in	Warmest
August	71°F (22°C)	3.7 in
September	64°F (18°C)	3.6 in
October	53°F (11°C)	2.8 in
November	40°F (4°C)	3.1 in
December	27°F (-3°C)	2.6 in

Andres has a seasonal temperature swing of 51°F / from 23°F in January to 74°F in July. Total annual precipitation is 37.7 inches, with June being the wettest month (4.3") and February the driest (1.4").

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