Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kankakee experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 24°F in January while summers reach 75°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 41.7 inches. The area receives 20.7 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 619 feet.
Temperature
24°F Jan (-4°C)75°F Jul (24°C)
Annual Average
51.2°F
5% below US avg
January Average
24°F (-4°C)
July Average
75°F (24°C)
Sunny Days
275 days/yr
Geography
Elevation
619 ft (189 m)
Area
14.6 sq mi (37.9 km²)
Population Density
1,610/sq mi
Coordinates
41.1017°N, 87.8637°W
Timezone
America/Chicago
County
Kankakee County County
Nearest Airport
Joliet Regional (JOT) 33 miles away
Precipitation & Snow
Annual Rainfall41.7"
10% above US avg
Snowfall20.7"
Wettest Month (Jun)4.13"
Driest Month (Feb)1.46"
Air Quality
AQI Median
43.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
88.2 / 100
Social Vulnerability
50.0 / 100
Community Resilience
83.7 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Low
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Relatively Low
Lightning
Relatively Low
Ice Storm
Relatively Low
Drought
Relatively Low
Cold Wave
Relatively High
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
10 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
95 km
10 km
Jun 17, 2021
Illinois-Indiana border region
M3.8
150 km
6 km
Feb 10, 2010
2 km NW of Lily Lake, Illinois
M3.8
110 km
10 km
Sep 2, 1999
8 km W of Amboy, Illinois
M3.5
148 km
5 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
78 km
1 km
Dec 17, 1990
Illinois-Indiana border region
M3.2
134 km
10 km
Jul 15, 2024
2 km WNW of Somonauk, Illinois
M3.1
93 km
10 km
Mar 25, 2015
3 km WNW of Lake in the Hills, Illinois
M2.9
128 km
6 km
Jun 10, 2013
4 km NNE of Virgil, Illinois
M2.6
112 km
5 km
Mar 15, 2025
6 km W of Dwight, Illinois
M2.6
53 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
646 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 98 fatalities, 1,819 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 28, 1990
EF5
76 km
16.4 mi
29
Jun 29, 1979
EF4
56 km
5.4 mi
0
Jun 13, 1976
EF4
64 km
3.3 mi
2
Apr 3, 1974
EF4
91 km
108.7 mi
18
Apr 21, 1967
EF4
63 km
15.0 mi
33
Apr 17, 1963
EF4
22 km
57.3 mi
1
Jun 20, 2021
EF3
77 km
17.6 mi
0
Feb 28, 2017
EF3
94 km
11.5 mi
2
Jun 22, 2015
EF3
49 km
16.3 mi
0
Nov 17, 2013
EF3
100 km
29.8 mi
0
Jun 5, 2010
EF3
73 km
8.6 mi
0
Jun 5, 2010
EF3
10 km
7.8 mi
0
Mar 27, 1991
EF3
57 km
15.0 mi
0
Apr 27, 1984
EF3
63 km
9.0 mi
1
Apr 2, 1982
EF3
11 km
12.0 mi
0
Mar 12, 1976
EF3
18 km
38.5 mi
1
Mar 12, 1976
EF3
71 km
22.6 mi
0
Mar 12, 1976
EF3
100 km
12.6 mi
0
Jun 20, 1974
EF3
42 km
4.5 mi
0
Apr 3, 1974
EF3
91 km
7.4 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
105 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
40 km
2019
UNNAMED
1,664
36 km
2000
UNNAMED
1,602
28 km
2021
NORTHEAST PRAIRIE UNIT 3
978
33 km
2024
NORTHEAST PRAIRIE 3 RX
938
34 km
1986
OGDEN DUNS
863
78 km
2021
UNNAMED
738
35 km
2021
MIDDLE GRANT CREEK
700
38 km
2019
UNNAMED
698
35 km
2021
21-INDU TOLLESTON DUNES EAST
594
79 km
2017
UNNAMED
549
39 km
2017
17 INDU COWLES DUNES
522
88 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
24°F (-4°C)
1.5 in
Coldest
February
27°F (-3°C)
1.5 in
Driest
March
38°F (3°C)
2.9 in
April
49°F (10°C)
3.9 in
May
61°F (16°C)
4.1 in
June
70°F (21°C)
4.1 in
Wettest
July
75°F (24°C)
3.9 in
Warmest
August
72°F (22°C)
3.5 in
September
65°F (18°C)
3.6 in
October
53°F (12°C)
2.8 in
November
40°F (5°C)
3.1 in
December
28°F (-2°C)
2.6 in
Kankakee has a seasonal temperature swing of 50°F / from 24°F in January to 75°F in July. Total annual precipitation is 37.5 inches, with June being the wettest month (4.1") and February the driest (1.5").