Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Earl Park experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 25°F in January while summers reach 74°F in July. The area gets 282 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 786 feet.
Temperature
25°F Jan (-4°C)74°F Jul (23°C)
Annual Average
51.0°F
6% below US avg
January Average
25°F (-4°C)
July Average
74°F (23°C)
Sunny Days
282 days/yr
Geography
Elevation
786 ft (240 m)
Area
0.9 sq mi (2.4 km²)
Population Density
363/sq mi
Coordinates
40.6856°N, 87.4201°W
Timezone
America/Indiana/Indianapolis
County
Benton County County
Nearest Airport
Vermilion Regional (DNV) 35 miles away
Precipitation & Snow
Wettest Month (Jun)4.21"
Driest Month (Feb)1.57"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
4.9 / 100
Social Vulnerability
28.3 / 100
Community Resilience
67.9 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Very Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Very Low
Hail
Relatively Low
Strong Wind
Relatively Low
Heat Wave
Very Low
Winter Weather
Very Low
Lightning
Very Low
Ice Storm
Very Low
Drought
No Rating
Cold Wave
Relatively Low
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.8.
Jun 17, 2021
Illinois-Indiana border region
M3.8
96 km
6 km
Dec 20, 1990
5 km S of Stilesville, Indiana
M3.7
139 km
5 km
Apr 14, 2000
4 km NW of Heritage Lake, Indiana
M3.6
118 km
5 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
128 km
1 km
Dec 17, 1990
Illinois-Indiana border region
M3.2
76 km
10 km
Dec 16, 1996
3 km NNE of Terre Haute, Indiana
M3.1
132 km
5 km
Mar 15, 2025
6 km W of Dwight, Illinois
M2.6
101 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
613 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 88 fatalities, 1,699 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 26, 1994
EF4
46 km
14.0 mi
3
Mar 20, 1976
EF4
43 km
16.7 mi
0
Apr 3, 1974
EF4
32 km
108.7 mi
18
Apr 11, 1965
EF4
94 km
48.0 mi
25
Apr 11, 1965
EF4
88 km
45.7 mi
28
Apr 11, 1965
EF4
64 km
21.8 mi
0
Apr 17, 1963
EF4
79 km
57.3 mi
1
Nov 17, 2013
EF3
81 km
29.8 mi
0
Nov 17, 2013
EF3
62 km
37.9 mi
0
Jun 5, 2010
EF3
51 km
7.8 mi
0
Apr 19, 1996
EF3
98 km
4.0 mi
0
Apr 19, 1996
EF3
77 km
2.0 mi
1
Apr 2, 1982
EF3
62 km
12.0 mi
0
Jun 2, 1980
EF3
74 km
18.1 mi
1
Jun 25, 1978
EF3
48 km
27.4 mi
0
Mar 12, 1976
EF3
92 km
12.1 mi
0
Mar 12, 1976
EF3
42 km
38.5 mi
1
Jun 20, 1974
EF3
66 km
4.5 mi
0
Apr 3, 1974
EF3
99 km
14.9 mi
0
Apr 3, 1974
EF3
45 km
25.9 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
121 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
9 wildfires (100+ acres) recorded within 100 km.
Largest: UNNAMED (1,741 acres, 2019).
Year
Name
Acres Burned
Distance
2019
UNNAMED
1,741
99 km
2019
UNNAMED
1,664
96 km
2000
UNNAMED
1,602
36 km
2021
NORTHEAST PRAIRIE UNIT 3
978
91 km
2024
NORTHEAST PRAIRIE 3 RX
938
93 km
2021
UNNAMED
738
94 km
2021
MIDDLE GRANT CREEK
700
98 km
2019
UNNAMED
698
94 km
2017
UNNAMED
549
98 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
25°F (-4°C)
1.6 in
Coldest
February
27°F (-3°C)
1.6 in
Driest
March
38°F (3°C)
3.0 in
April
49°F (10°C)
3.7 in
May
61°F (16°C)
4.1 in
June
70°F (21°C)
4.2 in
Wettest
July
74°F (23°C)
4.1 in
Warmest
August
72°F (22°C)
3.7 in
September
65°F (18°C)
3.4 in
October
53°F (12°C)
2.8 in
November
41°F (5°C)
3.1 in
December
29°F (-2°C)
2.7 in
Earl Park has a seasonal temperature swing of 49°F / from 25°F in January to 74°F in July. Total annual precipitation is 37.9 inches, with June being the wettest month (4.2") and February the driest (1.6").