Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bay Port has a cool climate with an average annual temperature of 45°F (7°C). Winters average 21°F in January while summers reach 68°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 34.1 inches. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 594 feet.
Temperature
21°F Jan (-6°C)68°F Jul (20°C)
Annual Average
45.3°F
16% below US avg
January Average
21°F (-6°C)
July Average
68°F (20°C)
Sunny Days
260 days/yr
Geography
Elevation
594 ft (181 m)
Area
3.4 sq mi (8.8 km²)
Population Density
167/sq mi
Coordinates
43.8371°N, 83.3689°W
Timezone
America/Detroit
County
Tuscola County County
Nearest Airport
Mbs International (MBS) 41 miles away
Precipitation & Snow
Annual Rainfall34.1"
10% below US avg
Wettest Month (Sep)3.46"
Driest Month (Feb)1.18"
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
1 earthquake (M2.5+) recorded within 150 km since 1990.
Strongest on record: M2.5.
May 23, 2022
2 km NNW of Corunna, Canada
M2.5
128 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
204 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 125 fatalities, 1,046 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 8, 1953
EF5
91 km
18.9 mi
116
May 12, 1956
EF4
96 km
6.6 mi
3
Jun 8, 1953
EF4
78 km
33.8 mi
0
Jul 2, 1997
EF3
79 km
2.0 mi
0
Jul 2, 1997
EF3
76 km
1.7 mi
1
Jun 21, 1996
EF3
64 km
1.0 mi
0
Mar 27, 1991
EF3
90 km
21.0 mi
0
Mar 27, 1991
EF3
73 km
35.0 mi
0
Sep 2, 1984
EF3
85 km
15.6 mi
0
Aug 8, 1984
EF3
97 km
0.8 mi
0
Jun 12, 1984
EF3
53 km
48.0 mi
0
Mar 30, 1976
EF3
76 km
11.4 mi
0
Mar 30, 1976
EF3
66 km
6.4 mi
1
Jul 14, 1974
EF3
89 km
1.0 mi
0
Jun 26, 2021
EF2
33 km
6.8 mi
0
Jun 22, 2015
EF2
72 km
11.3 mi
0
Mar 15, 2012
EF2
79 km
4.6 mi
0
May 31, 1999
EF2
72 km
1.8 mi
0
Jun 21, 1996
EF2
92 km
0.2 mi
0
Jul 13, 1995
EF2
68 km
5.0 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
-
113 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: BRITTLE (5,912 acres, 2021).
Year
Name
Acres Burned
Distance
2021
BRITTLE
5,912
69 km
2000
NO PABLO
5,266
97 km
2014
UNNAMED
3,759
71 km
2018
BRITTLE 04/30/2018
3,484
71 km
2019
UNNAMED
2,349
71 km
1987
OGEMAW22
1,952
98 km
2016
UNNAMED
1,796
72 km
2021
UNNAMED
1,751
65 km
1984
RIVER ROAD
1,693
65 km
2017
BRITTLE 20 AND 23 RX
1,557
69 km
1988
OGEMAW13
1,547
99 km
2015
UNNAMED
1,434
70 km
2015
UNNAMED
1,276
74 km
2016
UNNAMED
1,217
67 km
2015
UNNAMED
1,168
67 km
2010
BRITTLE FUELS BLOCK 10
1,076
73 km
2016
MEMORABLE RX
946
69 km
2018
BRITTLE 05/05/2018
867
68 km
2019
UNNAMED
642
68 km
2007
GALION
637
60 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
21°F (-6°C)
1.5 in
Coldest
February
23°F (-5°C)
1.2 in
Driest
March
31°F (-1°C)
1.9 in
April
42°F (6°C)
2.4 in
May
54°F (12°C)
2.4 in
June
64°F (18°C)
2.8 in
July
68°F (20°C)
2.5 in
August
68°F (20°C)
3.2 in
Warmest
September
61°F (16°C)
3.5 in
Wettest
October
50°F (10°C)
2.4 in
November
39°F (4°C)
2.3 in
December
29°F (-2°C)
1.9 in
Bay Port has a seasonal temperature swing of 47°F / from 21°F in January to 68°F in August. Total annual precipitation is 28.0 inches, with September being the wettest month (3.5") and February the driest (1.2").
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