Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Aberdeen experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 26°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 33.4 inches. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 769 feet.
Temperature
26°F Jan (-3°C)75°F Jul (24°C)
Annual Average
51.8°F
4% below US avg
January Average
26°F (-3°C)
July Average
75°F (24°C)
Sunny Days
275 days/yr
Geography
Elevation
769 ft (234 m)
Area
1.3 sq mi (3.3 km²)
Population Density
1,398/sq mi
Coordinates
41.4418°N, 87.1166°W
Timezone
America/Indiana/Indianapolis
County
Porter County County
Nearest Airport
Porter County Regional (VPZ) 6 miles away
Precipitation & Snow
Annual Rainfall33.4"
12% below US avg
Wettest Month (Jun)4.41"
Driest Month (Feb)1.54"
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
149 km
10 km
Feb 10, 2010
2 km NW of Lily Lake, Illinois
M3.8
129 km
10 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
71 km
1 km
Jul 15, 2024
2 km WNW of Somonauk, Illinois
M3.1
135 km
10 km
Jan 26, 2012
5 km NE of Topeka, Indiana
M3.0
136 km
5 km
Mar 25, 2015
3 km WNW of Lake in the Hills, Illinois
M2.9
133 km
6 km
Jun 10, 2013
4 km NNE of Virgil, Illinois
M2.6
131 km
5 km
Mar 15, 2025
6 km W of Dwight, Illinois
M2.6
122 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
555 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 123 fatalities, 1,777 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 29, 1979
EF4
93 km
5.4 mi
0
Jun 13, 1976
EF4
78 km
3.3 mi
2
Apr 21, 1967
EF4
65 km
15.0 mi
33
Apr 11, 1965
EF4
88 km
21.2 mi
31
Apr 11, 1965
EF4
78 km
37.0 mi
36
Apr 17, 1963
EF4
87 km
57.3 mi
1
Jun 20, 2021
EF3
96 km
17.6 mi
0
May 27, 2019
EF3
97 km
13.7 mi
0
Jun 5, 2010
EF3
68 km
7.8 mi
0
Oct 18, 2007
EF3
81 km
20.3 mi
0
Oct 24, 2001
EF3
61 km
47.0 mi
1
Mar 27, 1991
EF3
83 km
15.0 mi
0
Apr 2, 1982
EF3
84 km
12.0 mi
0
Mar 12, 1976
EF3
31 km
12.6 mi
0
Mar 12, 1976
EF3
69 km
38.5 mi
1
Mar 12, 1976
EF3
43 km
12.1 mi
0
Jun 20, 1974
EF3
31 km
4.5 mi
0
Oct 24, 1967
EF3
15 km
0.1 mi
0
Nov 26, 1965
EF3
59 km
1.0 mi
0
Nov 12, 1965
EF3
33 km
4.1 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
35 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
88 km
2019
UNNAMED
1,664
83 km
2000
UNNAMED
1,602
63 km
2021
NORTHEAST PRAIRIE UNIT 3
978
77 km
2024
NORTHEAST PRAIRIE 3 RX
938
77 km
1986
OGDEN DUNS
863
20 km
2021
UNNAMED
738
78 km
2021
MIDDLE GRANT CREEK
700
87 km
2019
UNNAMED
698
77 km
2021
21-INDU TOLLESTON DUNES EAST
594
20 km
2017
UNNAMED
549
87 km
2017
17 INDU COWLES DUNES
522
23 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
26°F (-3°C)
1.9 in
Coldest
February
27°F (-3°C)
1.5 in
Driest
March
37°F (3°C)
2.8 in
April
48°F (9°C)
3.7 in
May
59°F (15°C)
3.8 in
June
69°F (20°C)
4.4 in
Wettest
July
75°F (24°C)
3.9 in
Warmest
August
71°F (22°C)
3.7 in
September
64°F (18°C)
3.7 in
October
52°F (11°C)
3.0 in
November
40°F (5°C)
3.2 in
December
28°F (-2°C)
2.6 in
Aberdeen has a seasonal temperature swing of 48°F / from 26°F in January to 75°F in July. Total annual precipitation is 38.3 inches, with June being the wettest month (4.4") and February the driest (1.5").