Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wheeler experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 25°F in January while summers reach 73°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 40.3 inches. The area receives 40.0 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 675 feet.
Temperature
25°F Jan (-4°C)73°F Jul (23°C)
Annual Average
50.5°F
6% below US avg
January Average
25°F (-4°C)
July Average
73°F (23°C)
Sunny Days
275 days/yr
Geography
Elevation
675 ft (206 m)
Area
2.7 sq mi (6.9 km²)
Population Density
51/sq mi
Coordinates
41.5105°N, 87.1712°W
Timezone
America/Indiana/Indianapolis
County
Porter County County
Nearest Airport
Porter County Regional (VPZ) 9 miles away
Precipitation & Snow
Annual Rainfall40.3"
6% above US avg
Snowfall40.0"
Wettest Month (Jun)4.29"
Driest Month (Feb)1.50"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
81.4 / 100
Social Vulnerability
13.4 / 100
Community Resilience
89.0 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Very Low
Strong Wind
Relatively High
Heat Wave
Relatively Low
Winter Weather
Relatively Moderate
Lightning
Relatively Moderate
Ice Storm
Relatively Low
Drought
No Rating
Cold Wave
Relatively High
Landslide
Very Low
Coastal Flood
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
144 km
10 km
Feb 10, 2010
2 km NW of Lily Lake, Illinois
M3.8
121 km
10 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
63 km
1 km
Jul 15, 2024
2 km WNW of Somonauk, Illinois
M3.1
129 km
10 km
Jan 26, 2012
5 km NE of Topeka, Indiana
M3.0
140 km
5 km
Mar 25, 2015
3 km WNW of Lake in the Hills, Illinois
M2.9
124 km
6 km
Jun 10, 2013
4 km NNE of Virgil, Illinois
M2.6
123 km
5 km
Mar 15, 2025
6 km W of Dwight, Illinois
M2.6
121 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
553 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 153 fatalities, 2,166 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 28, 1990
EF5
100 km
16.4 mi
29
Jun 29, 1979
EF4
88 km
5.4 mi
0
Jun 13, 1976
EF4
71 km
3.3 mi
2
Apr 21, 1967
EF4
58 km
15.0 mi
33
Apr 11, 1965
EF4
81 km
37.0 mi
36
Apr 11, 1965
EF4
92 km
21.2 mi
31
Apr 17, 1963
EF4
86 km
57.3 mi
1
Jun 20, 2021
EF3
89 km
17.6 mi
0
Jun 5, 2010
EF3
70 km
7.8 mi
0
Oct 18, 2007
EF3
87 km
20.3 mi
0
Oct 24, 2001
EF3
63 km
47.0 mi
1
Mar 27, 1991
EF3
78 km
15.0 mi
0
Apr 27, 1984
EF3
97 km
9.0 mi
1
Apr 2, 1982
EF3
85 km
12.0 mi
0
Mar 12, 1976
EF3
27 km
12.6 mi
0
Mar 12, 1976
EF3
51 km
12.1 mi
0
Mar 12, 1976
EF3
72 km
38.5 mi
1
Mar 12, 1976
EF3
99 km
22.6 mi
0
Jun 20, 1974
EF3
33 km
4.5 mi
0
Oct 24, 1967
EF3
6 km
0.1 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
32 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
85 km
2019
UNNAMED
1,664
80 km
2000
UNNAMED
1,602
67 km
2021
NORTHEAST PRAIRIE UNIT 3
978
74 km
2024
NORTHEAST PRAIRIE 3 RX
938
74 km
1986
OGDEN DUNS
863
12 km
2021
UNNAMED
738
75 km
2021
MIDDLE GRANT CREEK
700
83 km
2019
UNNAMED
698
74 km
2021
21-INDU TOLLESTON DUNES EAST
594
11 km
2017
UNNAMED
549
84 km
2017
17 INDU COWLES DUNES
522
16 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
25°F (-4°C)
1.9 in
Coldest
February
28°F (-3°C)
1.5 in
Driest
March
38°F (3°C)
2.6 in
April
49°F (9°C)
3.7 in
May
59°F (15°C)
3.8 in
June
69°F (21°C)
4.3 in
Wettest
July
73°F (23°C)
3.7 in
Warmest
August
72°F (22°C)
3.7 in
September
64°F (18°C)
3.7 in
October
53°F (12°C)
3.0 in
November
41°F (5°C)
3.4 in
December
29°F (-2°C)
2.6 in
Wheeler has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 37.8 inches, with June being the wettest month (4.3") and February the driest (1.5").