Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Granger experiences four distinct seasons with an average annual temperature of 50°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 40.9 inches. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 810 feet.
Temperature
25°F Jan (-4°C)73°F Jul (23°C)
Annual Average
49.8°F
8% below US avg
January Average
25°F (-4°C)
July Average
73°F (23°C)
Sunny Days
275 days/yr
Geography
Elevation
810 ft (247 m)
Area
25.0 sq mi (64.8 km²)
Population Density
1,232/sq mi
Coordinates
41.7377°N, 86.1344°W
Timezone
America/Indiana/Indianapolis
County
St. Joseph County County
Nearest Airport
South Bend International (SBN) 10 miles away
Precipitation & Snow
Annual Rainfall40.9"
8% above US avg
Wettest Month (Jun)3.94"
Driest Month (Feb)1.81"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
85.8 / 100
Social Vulnerability
37.2 / 100
Community Resilience
90.0 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively High
Strong Wind
Relatively High
Heat Wave
Relatively Moderate
Winter Weather
Relatively Moderate
Lightning
Relatively Moderate
Ice Storm
Relatively Moderate
Drought
Very Low
Cold Wave
Relatively High
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.2.
May 2, 2015
5 km S of Galesburg, Michigan
M4.2
80 km
4 km
Jun 30, 2015
5 km NNE of Burlington, Michigan
M3.3
101 km
5 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
140 km
1 km
Jan 26, 2012
5 km NE of Topeka, Indiana
M3.0
57 km
5 km
Jun 12, 2015
6 km NW of Convoy, Ohio
M2.6
144 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
408 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 141 fatalities, 1,772 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 2, 1977
EF4
77 km
12.4 mi
0
Apr 11, 1965
EF4
18 km
37.0 mi
36
Apr 11, 1965
EF4
25 km
21.2 mi
31
Apr 11, 1965
EF4
80 km
90.3 mi
23
Apr 11, 1965
EF4
38 km
21.6 mi
5
Apr 11, 1965
EF4
94 km
80.5 mi
21
May 27, 2019
EF3
84 km
13.7 mi
0
Oct 18, 2007
EF3
49 km
20.3 mi
0
Oct 24, 2001
EF3
28 km
47.0 mi
1
Mar 27, 1991
EF3
91 km
21.0 mi
1
May 15, 1986
EF3
99 km
1.2 mi
0
May 13, 1980
EF3
54 km
21.0 mi
0
May 13, 1980
EF3
71 km
10.6 mi
5
Mar 12, 1976
EF3
67 km
12.1 mi
0
Mar 12, 1976
EF3
70 km
12.6 mi
0
Apr 3, 1974
EF3
66 km
36.2 mi
5
Oct 24, 1967
EF3
93 km
0.1 mi
0
Nov 26, 1965
EF3
31 km
1.0 mi
0
Apr 11, 1965
EF3
99 km
33.1 mi
0
Apr 11, 1965
EF3
57 km
35.6 mi
10
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
62 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
4 wildfires (100+ acres) recorded within 100 km.
Largest: ALLEGAN6 (1,077 acres, 1988).
Year
Name
Acres Burned
Distance
1988
ALLEGAN6
1,077
94 km
1986
OGDEN DUNS
863
91 km
2021
21-INDU TOLLESTON DUNES EAST
594
90 km
2017
17 INDU COWLES DUNES
522
81 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
25°F (-4°C)
2.1 in
Coldest
February
27°F (-3°C)
1.8 in
Driest
March
37°F (3°C)
2.8 in
April
48°F (9°C)
3.7 in
May
60°F (15°C)
3.4 in
June
69°F (21°C)
3.9 in
Wettest
July
73°F (23°C)
3.7 in
Warmest
August
71°F (22°C)
3.7 in
September
64°F (18°C)
3.8 in
October
52°F (11°C)
3.1 in
November
40°F (5°C)
3.2 in
December
29°F (-2°C)
3.0 in
Granger has a seasonal temperature swing of 49°F / from 25°F in January to 73°F in July. Total annual precipitation is 38.1 inches, with June being the wettest month (3.9") and February the driest (1.8").
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