Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Caro experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 22°F in January while summers reach 71°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 34.3 inches. The area receives 41.6 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 724 feet.
Temperature
22°F Jan (-6°C)71°F Jul (22°C)
Annual Average
46.8°F
13% below US avg
January Average
22°F (-6°C)
July Average
71°F (22°C)
Sunny Days
260 days/yr
Geography
Elevation
724 ft (221 m)
Area
2.8 sq mi (7.3 km²)
Population Density
1,457/sq mi
Coordinates
43.4893°N, 83.4017°W
Timezone
America/Detroit
County
Tuscola County County
Nearest Airport
Mbs International (MBS) 34 miles away
Precipitation & Snow
Annual Rainfall34.3"
10% below US avg
Snowfall41.6"
Wettest Month (Sep)3.98"
Driest Month (Feb)1.14"
Air Quality
AQI Median
38.0
Rating
Good
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
3 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
124 km
5 km
Mar 8, 2010
7 km ENE of Grosse Ile, Michigan
M2.5
150 km
18 km
May 23, 2022
2 km NNW of Corunna, Canada
M2.5
102 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
273 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 131 fatalities, 1,145 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 8, 1953
EF5
57 km
18.9 mi
116
May 12, 1956
EF4
59 km
6.6 mi
3
Jun 8, 1953
EF4
42 km
33.8 mi
0
May 21, 1953
EF4
91 km
10.0 mi
2
Jul 2, 1997
EF3
39 km
1.7 mi
1
Jul 2, 1997
EF3
44 km
2.0 mi
0
Jun 21, 1996
EF3
33 km
1.0 mi
0
Sep 2, 1984
EF3
60 km
15.6 mi
0
Aug 8, 1984
EF3
60 km
0.8 mi
0
Jun 12, 1984
EF3
44 km
48.0 mi
0
Mar 30, 1976
EF3
97 km
11.4 mi
0
Mar 30, 1976
EF3
97 km
6.4 mi
1
Mar 20, 1976
EF3
95 km
17.1 mi
1
Jul 14, 1974
EF3
50 km
1.0 mi
0
Feb 28, 2024
EF2
67 km
5.7 mi
0
Jun 26, 2021
EF2
65 km
6.8 mi
0
Mar 14, 2019
EF2
100 km
18.2 mi
0
Jun 22, 2015
EF2
38 km
11.3 mi
0
May 28, 2013
EF2
77 km
5.1 mi
0
May 28, 2013
EF2
67 km
4.6 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 1.5 m (5 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1952
LAKE HURON, MI
Avalanche
1.5 m
-
92 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
2 wildfires (100+ acres) recorded within 100 km.
Largest: GALION (637 acres, 2007).
Year
Name
Acres Burned
Distance
2007
GALION
637
97 km
2019
CORSAIR BLOCK 8
541
98 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
22°F (-6°C)
1.4 in
Coldest
February
22°F (-5°C)
1.1 in
Driest
March
32°F (0°C)
2.1 in
April
44°F (7°C)
2.5 in
May
56°F (13°C)
2.6 in
June
65°F (18°C)
3.2 in
July
71°F (22°C)
2.6 in
Warmest
August
68°F (20°C)
3.2 in
September
61°F (16°C)
4.0 in
Wettest
October
50°F (10°C)
2.4 in
November
39°F (4°C)
2.5 in
December
27°F (-3°C)
2.0 in
Caro has a seasonal temperature swing of 49°F / from 22°F in January to 71°F in July. Total annual precipitation is 29.7 inches, with September being the wettest month (4.0") and February the driest (1.1").
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