Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Zilwaukee experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 23°F in January while summers reach 72°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 34.0 inches. The area receives 40.7 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 585 feet.
Temperature
23°F Jan (-5°C)72°F Jul (22°C)
Annual Average
48.3°F
11% below US avg
January Average
23°F (-5°C)
July Average
72°F (22°C)
Sunny Days
260 days/yr
Geography
Elevation
585 ft (178 m)
Area
2.4 sq mi (6.1 km²)
Population Density
767/sq mi
Coordinates
43.4836°N, 83.9245°W
Timezone
America/Detroit
County
Bay County County
Nearest Airport
Mbs International (MBS) 8 miles away
Precipitation & Snow
Annual Rainfall34.0"
11% below US avg
Snowfall40.7"
Wettest Month (Sep)3.98"
Driest Month (Feb)1.18"
Air Quality
AQI Median
38.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
78.2 / 100
Social Vulnerability
44.1 / 100
Community Resilience
98.4 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Very Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Moderate
Strong Wind
Relatively High
Heat Wave
Relatively Low
Winter Weather
Relatively High
Lightning
Relatively Moderate
Ice Storm
Relatively Moderate
Drought
No Rating
Cold Wave
Relatively High
Landslide
Very Low
Coastal Flood
Relatively 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
94 km
5 km
May 23, 2022
2 km NNW of Corunna, Canada
M2.5
136 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
322 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 132 fatalities, 1,125 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 8, 1953
EF5
43 km
18.9 mi
116
Apr 21, 1967
EF4
94 km
12.0 mi
0
Apr 11, 1965
EF4
92 km
21.0 mi
1
May 12, 1956
EF4
57 km
6.6 mi
3
Jun 8, 1953
EF4
71 km
33.8 mi
0
Jul 2, 1997
EF3
39 km
2.0 mi
0
Jul 2, 1997
EF3
42 km
1.7 mi
1
Jun 21, 1996
EF3
22 km
1.0 mi
0
Mar 27, 1991
EF3
94 km
35.0 mi
0
Sep 2, 1984
EF3
98 km
15.6 mi
0
Aug 8, 1984
EF3
57 km
0.8 mi
0
Jun 12, 1984
EF3
11 km
48.0 mi
0
Mar 30, 1976
EF3
87 km
6.4 mi
1
Mar 30, 1976
EF3
76 km
11.4 mi
0
Jul 14, 1974
EF3
57 km
1.0 mi
0
Feb 28, 2024
EF2
66 km
5.7 mi
0
Aug 24, 2023
EF2
98 km
12.0 mi
2
Jun 26, 2021
EF2
93 km
6.8 mi
0
Mar 14, 2019
EF2
77 km
18.2 mi
0
Jun 22, 2015
EF2
29 km
11.3 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
—
131 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
2 wildfires (100+ acres) recorded within 100 km.
Largest: ROSCOMMON4 (2,109 acres, 2005).
Year
Name
Acres Burned
Distance
2005
ROSCOMMON4
2,109
100 km
2007
GALION
637
99 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
23°F (-5°C)
1.4 in
Coldest
February
23°F (-5°C)
1.2 in
Driest
March
33°F (1°C)
2.2 in
April
45°F (7°C)
2.7 in
May
57°F (14°C)
2.8 in
June
66°F (19°C)
3.3 in
July
72°F (22°C)
2.4 in
Warmest
August
69°F (20°C)
3.4 in
September
61°F (16°C)
4.0 in
Wettest
October
50°F (10°C)
2.5 in
November
38°F (3°C)
2.6 in
December
27°F (-3°C)
2.0 in
Zilwaukee has a seasonal temperature swing of 49°F / from 23°F in January to 72°F in July. Total annual precipitation is 30.3 inches, with September being the wettest month (4.0") and February the driest (1.2").
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