Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cass City experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 21°F in January while summers reach 69°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 33.1 inches. The area receives 42.5 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 42. 82% of days have good air quality. The city sits at an elevation of 741 feet.
Temperature
21°F Jan (-6°C)69°F Jul (20°C)
Annual Average
45.8°F
15% below US avg
January Average
21°F (-6°C)
July Average
69°F (20°C)
Sunny Days
260 days/yr
Geography
Elevation
741 ft (226 m)
Area
1.8 sq mi (4.6 km²)
Population Density
1,230/sq mi
Coordinates
43.6003°N, 83.1765°W
Timezone
America/Detroit
County
Tuscola County County
Nearest Airport
Mbs International (MBS) 45 miles away
Precipitation & Snow
Annual Rainfall33.1"
13% below US avg
Snowfall42.5"
Wettest Month (Sep)3.78"
Driest Month (Feb)1.18"
Air Quality
AQI Median
42.0
Rating
Good
Good Days %
81.7%
Unhealthy Days
1
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
73.1 / 100
Social Vulnerability
59.3 / 100
Community Resilience
80.0 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Very Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Low
Strong Wind
Relatively High
Heat Wave
Relatively Low
Winter Weather
Relatively High
Lightning
Relatively Low
Ice Storm
Relatively Moderate
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
2 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.5.
Sep 2, 1994
5 km SSW of DeWitt, Michigan
M3.5
146 km
5 km
May 23, 2022
2 km NNW of Corunna, Canada
M2.5
98 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
219 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 129 fatalities, 1,118 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 8, 1953
EF5
78 km
18.9 mi
116
May 12, 1956
EF4
78 km
6.6 mi
3
Jun 8, 1953
EF4
50 km
33.8 mi
0
May 21, 1953
EF4
89 km
10.0 mi
2
Jul 2, 1997
EF3
59 km
1.7 mi
1
Jul 2, 1997
EF3
65 km
2.0 mi
0
Jun 21, 1996
EF3
55 km
1.0 mi
0
Sep 2, 1984
EF3
55 km
15.6 mi
0
Aug 8, 1984
EF3
79 km
0.8 mi
0
Jun 12, 1984
EF3
61 km
48.0 mi
0
Mar 30, 1976
EF3
96 km
6.4 mi
1
Jul 14, 1974
EF3
68 km
1.0 mi
0
Feb 28, 2024
EF2
86 km
5.7 mi
0
Jun 26, 2021
EF2
47 km
6.8 mi
0
Jun 22, 2015
EF2
60 km
11.3 mi
0
May 28, 2013
EF2
96 km
5.1 mi
0
May 28, 2013
EF2
85 km
4.6 mi
0
Mar 15, 2012
EF2
57 km
4.6 mi
0
May 31, 1999
EF2
85 km
1.8 mi
0
Jun 21, 1996
EF2
61 km
0.2 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 1.5 m (5 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1952
LAKE HURON, MI
Avalanche
1.5 m
-
84 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
12 wildfires (100+ acres) recorded within 100 km.
Largest: BRITTLE (5,912 acres, 2021).
Year
Name
Acres Burned
Distance
2021
BRITTLE
5,912
99 km
2021
UNNAMED
1,751
92 km
1984
RIVER ROAD
1,693
93 km
2017
BRITTLE 20 AND 23 RX
1,557
100 km
2016
UNNAMED
1,217
97 km
2015
UNNAMED
1,168
97 km
2016
MEMORABLE RX
946
99 km
2018
BRITTLE 05/05/2018
867
98 km
2019
UNNAMED
642
98 km
2007
GALION
637
90 km
2019
MEMORABLE MIDDLE
550
98 km
2019
CORSAIR BLOCK 8
541
90 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
21°F (-6°C)
1.4 in
Coldest
February
22°F (-6°C)
1.2 in
Driest
March
32°F (-0°C)
2.1 in
April
43°F (6°C)
2.6 in
May
55°F (13°C)
2.6 in
June
65°F (18°C)
3.1 in
July
69°F (20°C)
2.6 in
Warmest
August
68°F (20°C)
3.2 in
September
61°F (16°C)
3.8 in
Wettest
October
50°F (10°C)
2.5 in
November
38°F (4°C)
2.5 in
December
27°F (-3°C)
2.0 in
Cass City has a seasonal temperature swing of 48°F / from 21°F in January to 69°F in July. Total annual precipitation is 29.4 inches, with September being the wettest month (3.8") and February the driest (1.2").
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