Pewamo, MI

Full City Profile · Michigan · Gratiot County County

4.0 /5.0
A Great
511 Population 511/sq mi density
$76,250 Median Income $29,741 per capita
$179,500 Home Value $265,412 Zillow
$933 Median Rent 28.3% income on rent
47°F Avg Temperature
A
Overall
4.0 / 5.0
Strong
A
Economy
4.3 / 5.0
$76,250 median income, 3.8% unemployment
A+
Affordability
5.0 / 5.0
$179,500 home value, $933/mo rent
C+
Education
2.6 / 5.0
19.6% bachelor's degree or higher
Pewamo 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. Annual precipitation totals 35.9 inches. The area receives 54.2 inches of snow annually.

Temperature

22°F Jan (-5°C) 71°F Jul (21°C)
Annual Average47.1°F
13% below US avg
January Average22°F (-5°C)
July Average71°F (21°C)

Geography

Elevation739 ft (225 m)
Area1.0 sq mi (2.6 km²)
Population Density511/sq mi
Coordinates43.0020°N, 84.8473°W
TimezoneAmerica/Detroit
CountyGratiot County County
Nearest AirportCapital Region International (LAN)
20 miles away

Precipitation & Snow

Annual Rainfall 35.9"
6% below US avg
Snowfall 54.2"
Wettest Month (May) 3.97"
Driest Month (Feb) 1.71"

Air Quality

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score54.1 / 100
Social Vulnerability50.8 / 100
Community Resilience85.3 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Low
Hail Relatively Low
Strong Wind Relatively High
Heat Wave Very Low
Winter Weather Relatively High
Lightning Relatively Low
Ice Storm Relatively Low
Drought No Rating
Cold Wave Relatively Moderate
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

3 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M3.3 on Jun 30, 2015.

May 2, 2015 5 km S of Galesburg, Michigan M4.2 98 km
Sep 2, 1994 5 km SSW of DeWitt, Michigan M3.5 30 km
Jun 30, 2015 5 km NNE of Burlington, Michigan M3.3 97 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

393 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 137 fatalities, 1,413 injuries.

Date Rating Distance Fatalities
Jun 8, 1953 EF5 82 km 116
Apr 2, 1977 EF4 99 km 0
Apr 2, 1977 EF4 65 km 1
Apr 21, 1967 EF4 9 km 0
Apr 11, 1965 EF4 23 km 1
Apr 11, 1965 EF4 87 km 5
May 12, 1956 EF4 95 km 3
Mar 15, 2012 EF3 99 km 0
Aug 24, 2007 EF3 46 km 0
Jul 2, 1997 EF3 93 km 0
Jun 21, 1996 EF3 96 km 0
Mar 27, 1991 EF3 69 km 0
Aug 8, 1984 EF3 93 km 0
Jun 12, 1984 EF3 98 km 0
Jun 15, 1982 EF3 82 km 1
May 11, 1974 EF3 95 km 1
Apr 23, 1968 EF3 93 km 0
Apr 21, 1967 EF3 76 km 0
Apr 11, 1965 EF3 54 km 0
Apr 11, 1965 EF3 93 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-5°C) 2.2 in Coldest
February 24°F (-4°C) 1.7 in Driest
March 33°F (1°C) 2.2 in
April 45°F (7°C) 3.3 in
May 57°F (14°C) 4.0 in Wettest
June 67°F (19°C) 3.9 in
July 71°F (21°C) 3.4 in Warmest
August 69°F (20°C) 3.7 in
September 61°F (16°C) 3.0 in
October 49°F (10°C) 3.6 in
November 38°F (3°C) 2.8 in
December 28°F (-2°C) 2.2 in

Pewamo has a seasonal temperature swing of 48°F / from 22°F in January to 71°F in July. Total annual precipitation is 35.9 inches, with May being the wettest month (4.0") and February the driest (1.7").

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