Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grand Beach experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 24°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 42.6 inches. The area receives 65.2 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 616 feet.
Temperature
24°F Jan (-4°C)73°F Jul (23°C)
Annual Average
50.0°F
7% below US avg
January Average
24°F (-4°C)
July Average
73°F (23°C)
Sunny Days
275 days/yr
Geography
Elevation
616 ft (188 m)
Area
0.9 sq mi (2.4 km²)
Population Density
404/sq mi
Coordinates
41.7746°N, 86.7884°W
Timezone
America/Detroit
County
Berrien County County
Nearest Airport
South Bend International (SBN) 25 miles away
Precipitation & Snow
Annual Rainfall42.6"
12% above US avg
Snowfall65.2"
Wettest Month (Jun)4.13"
Driest Month (Feb)1.73"
Air Quality
AQI Median
38.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
81.7 / 100
Social Vulnerability
44.1 / 100
Community Resilience
98.4 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Moderate
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 Moderate
Landslide
Very Low
Coastal Flood
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: M4.2.
May 2, 2015
5 km S of Galesburg, Michigan
M4.2
124 km
4 km
Feb 10, 2010
2 km NW of Lily Lake, Illinois
M3.8
143 km
10 km
Jun 30, 2015
5 km NNE of Burlington, Michigan
M3.3
150 km
5 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
86 km
1 km
Jan 26, 2012
5 km NE of Topeka, Indiana
M3.0
110 km
5 km
Mar 25, 2015
3 km WNW of Lake in the Hills, Illinois
M2.9
138 km
6 km
Jun 10, 2013
4 km NNE of Virgil, Illinois
M2.6
144 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
407 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 121 fatalities, 1,672 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 21, 1967
EF4
87 km
15.0 mi
33
Apr 11, 1965
EF4
66 km
21.2 mi
31
Apr 11, 1965
EF4
53 km
37.0 mi
36
Apr 11, 1965
EF4
92 km
21.6 mi
5
Oct 18, 2007
EF3
74 km
20.3 mi
0
Oct 24, 2001
EF3
34 km
47.0 mi
1
May 13, 1980
EF3
68 km
21.0 mi
0
Mar 12, 1976
EF3
17 km
12.6 mi
0
Mar 12, 1976
EF3
56 km
12.1 mi
0
Jun 20, 1974
EF3
76 km
4.5 mi
0
Oct 24, 1967
EF3
44 km
0.1 mi
0
Nov 26, 1965
EF3
25 km
1.0 mi
0
Nov 12, 1965
EF3
63 km
4.1 mi
0
Apr 11, 1965
EF3
58 km
33.1 mi
0
Apr 11, 1965
EF3
50 km
35.6 mi
10
Apr 30, 1962
EF3
25 km
36.5 mi
0
Apr 30, 1962
EF3
57 km
0.1 mi
0
Jun 14, 1957
EF3
88 km
0.1 mi
0
Aug 12, 1956
EF3
75 km
23.4 mi
0
Apr 3, 1956
EF3
77 km
60.6 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
11 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
3 wildfires (100+ acres) recorded within 100 km.
Largest: OGDEN DUNS (863 acres, 1986).
Year
Name
Acres Burned
Distance
1986
OGDEN DUNS
863
40 km
2021
21-INDU TOLLESTON DUNES EAST
594
39 km
2017
17 INDU COWLES DUNES
522
30 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
24°F (-4°C)
2.1 in
Coldest
February
28°F (-2°C)
1.7 in
Driest
March
37°F (3°C)
2.8 in
April
48°F (9°C)
3.6 in
May
58°F (15°C)
3.4 in
June
68°F (20°C)
4.1 in
Wettest
July
73°F (23°C)
3.7 in
Warmest
August
71°F (22°C)
3.8 in
September
64°F (18°C)
3.9 in
October
53°F (12°C)
3.1 in
November
41°F (5°C)
3.5 in
December
30°F (-1°C)
3.0 in
Grand Beach has a seasonal temperature swing of 49°F / from 24°F in January to 73°F in July. Total annual precipitation is 38.7 inches, with June being the wettest month (4.1") and February the driest (1.7").