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Weather & Climate in Bronson, MI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bronson 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 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 38.8 inches. The area receives 38.9 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 915 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 | 275 days/yr |
Geography
| Elevation | 915 ft (279 m) |
| Area | 1.4 sq mi (3.5 km²) |
| Population Density | 1,593/sq mi |
| Coordinates | 41.8721°N, 85.1908°W |
| Timezone | America/Detroit |
| County | Branch County County |
| Nearest Airport | Kalamazoo/Battle Creek International (AZO) 31 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 51.8 / 100 |
| Social Vulnerability | 68.5 / 100 |
| Community Resilience | 62.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| May 2, 2015 | 5 km S of Galesburg, Michigan | M4.2 | 45 km | 4 km |
| Sep 2, 1994 | 5 km SSW of DeWitt, Michigan | M3.5 | 114 km | 5 km |
| Jun 30, 2015 | 5 km NNE of Burlington, Michigan | M3.3 | 33 km | 5 km |
| Jan 26, 2012 | 5 km NE of Topeka, Indiana | M3.0 | 41 km | 5 km |
| Jun 12, 2015 | 6 km NW of Convoy, Ohio | M2.6 | 108 km | 5 km |
| May 20, 2023 | 3 km SSE of Walbridge, Ohio | M2.6 | 146 km | 6 km |
| Jan 30, 2004 | 2 km S of Rockford, Ohio | M2.5 | 141 km | 5 km |
| Mar 18, 2024 | 4 km WSW of Millbury, Ohio | M2.5 | 147 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
417 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 134 fatalities, 1,726 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 2, 1977 | EF4 | 64 km | 16.6 mi | 1 |
| Apr 2, 1977 | EF4 | 54 km | 12.4 mi | 0 |
| Apr 11, 1965 | EF4 | 51 km | 21.6 mi | 5 |
| Apr 11, 1965 | EF4 | 18 km | 80.5 mi | 21 |
| Apr 11, 1965 | EF4 | 83 km | 21.2 mi | 31 |
| Apr 11, 1965 | EF4 | 16 km | 90.3 mi | 23 |
| Apr 11, 1965 | EF4 | 90 km | 37.0 mi | 36 |
| Aug 24, 2016 | EF3 | 84 km | 5.2 mi | 0 |
| Aug 24, 2007 | EF3 | 85 km | 6.5 mi | 0 |
| Mar 27, 1991 | EF3 | 61 km | 2.0 mi | 0 |
| Mar 27, 1991 | EF3 | 39 km | 21.0 mi | 1 |
| Mar 27, 1991 | EF3 | 52 km | 5.0 mi | 0 |
| May 15, 1986 | EF3 | 19 km | 1.2 mi | 0 |
| Jun 15, 1982 | EF3 | 86 km | 13.0 mi | 1 |
| May 13, 1980 | EF3 | 93 km | 21.0 mi | 0 |
| May 13, 1980 | EF3 | 65 km | 10.6 mi | 5 |
| Apr 3, 1974 | EF3 | 55 km | 36.2 mi | 5 |
| Apr 11, 1965 | EF3 | 65 km | 14.2 mi | 0 |
| Apr 11, 1965 | EF3 | 87 km | 14.1 mi | 0 |
| Aug 22, 1964 | EF3 | 86 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1954 | MICHIGAN CITY, IN (LAKE MICHIGAN) | Avalanche | 3.0 m | 7 | 142 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.7 in | Coldest |
| February | 25°F (-4°C) | 1.7 in | Driest |
| March | 36°F (2°C) | 2.6 in | |
| April | 47°F (9°C) | 3.4 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 68°F (20°C) | 3.7 in | |
| July | 72°F (22°C) | 3.7 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.7 in | |
| September | 62°F (17°C) | 3.5 in | |
| October | 51°F (11°C) | 2.7 in | |
| November | 39°F (4°C) | 2.8 in | |
| December | 28°F (-2°C) | 2.6 in |
Bronson has a seasonal temperature swing of 48°F / from 23°F in January to 72°F in July. Total annual precipitation is 35.8 inches, with July being the wettest month (3.7") and February the driest (1.7").