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Weather & Climate in Jasper, MI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jasper experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 24°F in January while summers reach 73°F in July. The area gets 308 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 30.0 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 722 feet.
Temperature
24°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 49.3°F |
| 9% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 722 ft (220 m) |
| Area | 4.0 sq mi (10.4 km²) |
| Population Density | 89/sq mi |
| Coordinates | 41.7859°N, 84.0403°W |
| Timezone | America/Detroit |
| County | Lenawee County County |
| Nearest Airport | Detroit Metro Wayne County (DTW) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 69.9 / 100 |
| Social Vulnerability | 31.5 / 100 |
| Community Resilience | 81.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
18 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 | 125 km | 4 km |
| Sep 2, 1994 | 5 km SSW of DeWitt, Michigan | M3.5 | 122 km | 5 km |
| Apr 20, 2018 | Michigan | M3.4 | 93 km | 3 km |
| Jun 30, 2015 | 5 km NNE of Burlington, Michigan | M3.3 | 92 km | 5 km |
| Jan 26, 2012 | 5 km NE of Topeka, Indiana | M3.0 | 123 km | 5 km |
| Feb 23, 2011 | 18 km NE of Leamington, Canada | M3.0 | 139 km | 5 km |
| May 12, 2006 | 2 km E of Lima, Ohio | M2.8 | 116 km | 5 km |
| Apr 12, 2007 | 11 km NW of Put-in-Bay, Ohio | M2.8 | 93 km | 5 km |
| May 14, 2010 | 1 km ENE of Gibsonburg, Ohio | M2.7 | 76 km | 5 km |
| May 14, 2017 | 18 km ENE of Leamington, Canada | M2.6 | 140 km | 5 km |
| May 20, 2023 | 3 km SSE of Walbridge, Ohio | M2.6 | 53 km | 6 km |
| Jun 12, 2015 | 6 km NW of Convoy, Ohio | M2.6 | 110 km | 5 km |
| Mar 18, 2024 | 4 km WSW of Millbury, Ohio | M2.5 | 54 km | 6 km |
| Sep 7, 2012 | 17 km ESE of Stony Point, Michigan | M2.5 | 80 km | 5 km |
| Mar 8, 2010 | 7 km ENE of Grosse Ile, Michigan | M2.5 | 91 km | 18 km |
| Jun 4, 1990 | 4 km SSE of Van Buren, Ohio | M2.5 | 84 km | 5 km |
| Feb 7, 2016 | 6 km W of Put-in-Bay, Ohio | M2.5 | 96 km | 5 km |
| Jan 30, 2004 | 2 km S of Rockford, Ohio | M2.5 | 134 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
403 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 112 fatalities, 1,879 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 5, 2010 | EF4 | 49 km | 8.8 mi | 7 |
| Mar 20, 1976 | EF4 | 96 km | 3.8 mi | 1 |
| Apr 11, 1965 | EF4 | 80 km | 80.5 mi | 21 |
| Apr 11, 1965 | EF4 | 39 km | 5.6 mi | 18 |
| Apr 11, 1965 | EF4 | 94 km | 90.3 mi | 23 |
| Jul 4, 1957 | EF4 | 86 km | 29.9 mi | 0 |
| May 12, 1956 | EF4 | 85 km | 6.8 mi | 0 |
| Jun 8, 1953 | EF4 | 64 km | 118.0 mi | 17 |
| Jun 8, 1953 | EF4 | 39 km | 5.4 mi | 4 |
| Mar 15, 2012 | EF3 | 68 km | 7.6 mi | 0 |
| Mar 27, 1991 | EF3 | 97 km | 2.0 mi | 0 |
| Mar 27, 1991 | EF3 | 90 km | 21.0 mi | 1 |
| Mar 27, 1991 | EF3 | 47 km | 5.0 mi | 0 |
| Sep 14, 1990 | EF3 | 90 km | 24.0 mi | 0 |
| May 15, 1986 | EF3 | 79 km | 1.2 mi | 0 |
| May 2, 1983 | EF3 | 54 km | 5.0 mi | 1 |
| Jun 15, 1982 | EF3 | 68 km | 13.0 mi | 1 |
| May 11, 1974 | EF3 | 71 km | 0.9 mi | 1 |
| Apr 3, 1974 | EF3 | 43 km | 0.3 mi | 0 |
| Apr 3, 1974 | EF3 | 89 km | 8.7 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 1.9 in | Coldest |
| February | 25°F (-4°C) | 1.7 in | Driest |
| March | 36°F (2°C) | 2.6 in | |
| April | 47°F (8°C) | 3.3 in | |
| May | 59°F (15°C) | 3.4 in | |
| June | 68°F (20°C) | 3.8 in | Wettest |
| July | 73°F (23°C) | 3.2 in | Warmest |
| August | 70°F (21°C) | 3.4 in | |
| September | 63°F (17°C) | 3.3 in | |
| October | 51°F (11°C) | 2.5 in | |
| November | 40°F (4°C) | 2.9 in | |
| December | 28°F (-2°C) | 2.5 in |
Jasper has a seasonal temperature swing of 48°F / from 24°F in January to 73°F in July. Total annual precipitation is 34.5 inches, with June being the wettest month (3.8") and February the driest (1.7").