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Weather & Climate in Mount Pleasant, MI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mount Pleasant 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 35.5 inches. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 780 feet.
Temperature
23°F Jan (-5°C)
72°F Jul (22°C)
| Annual Average | 47.8°F |
| 11% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 780 ft (238 m) |
| Area | 7.8 sq mi (20.3 km²) |
| Population Density | 2,775/sq mi |
| Coordinates | 43.5967°N, 84.7760°W |
| Timezone | America/Detroit |
| County | Isabella County County |
| Nearest Airport | Mbs International (MBS) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 66.1 / 100 |
| Social Vulnerability | 57.1 / 100 |
| Community Resilience | 66.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | 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: M3.5.
| Sep 2, 1994 | 5 km SSW of DeWitt, Michigan | M3.5 | 90 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
286 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 121 fatalities, 984 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 8, 1953 | EF5 | 93 km | 18.9 mi | 116 |
| Apr 21, 1967 | EF4 | 74 km | 12.0 mi | 0 |
| Apr 11, 1965 | EF4 | 84 km | 21.0 mi | 1 |
| Jul 2, 1997 | EF3 | 98 km | 2.0 mi | 0 |
| Jun 21, 1996 | EF3 | 88 km | 1.0 mi | 0 |
| Jun 12, 1984 | EF3 | 68 km | 48.0 mi | 0 |
| Mar 30, 1976 | EF3 | 74 km | 11.4 mi | 0 |
| Apr 23, 1968 | EF3 | 58 km | 60.9 mi | 0 |
| Mar 14, 2019 | EF2 | 95 km | 18.2 mi | 0 |
| Jun 22, 2015 | EF2 | 92 km | 11.3 mi | 0 |
| May 31, 1999 | EF2 | 44 km | 1.8 mi | 0 |
| Jul 13, 1995 | EF2 | 78 km | 5.0 mi | 0 |
| Jul 4, 1994 | EF2 | 61 km | 0.3 mi | 0 |
| Apr 24, 1993 | EF2 | 80 km | 7.0 mi | 0 |
| Mar 27, 1991 | EF2 | 83 km | 6.0 mi | 0 |
| Mar 27, 1991 | EF2 | 57 km | 4.0 mi | 0 |
| Nov 27, 1989 | EF2 | 86 km | 6.0 mi | 0 |
| Apr 28, 1986 | EF2 | 88 km | 26.5 mi | 0 |
| Jul 15, 1985 | EF2 | 100 km | 15.6 mi | 0 |
| Jun 8, 1985 | EF2 | 73 km | 24.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
3 wildfires (100+ acres) recorded within 100 km. Largest: ROSCOMMON4 (2,109 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | ROSCOMMON4 | 2,109 | 72 km |
| 1994 | COUNTY LINE | 735 | 92 km |
| 2019 | BALDWIN FUELS UNITS 1/2/6AB | 619 | 96 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.7 in | |
| February | 23°F (-5°C) | 1.2 in | Coldest, Driest |
| March | 32°F (0°C) | 2.1 in | |
| April | 44°F (7°C) | 3.0 in | |
| May | 57°F (14°C) | 2.8 in | |
| June | 66°F (19°C) | 3.3 in | |
| July | 72°F (22°C) | 2.6 in | Warmest |
| August | 68°F (20°C) | 3.5 in | |
| September | 60°F (16°C) | 3.6 in | Wettest |
| October | 49°F (9°C) | 2.8 in | |
| November | 37°F (3°C) | 2.6 in | |
| December | 26°F (-3°C) | 2.0 in |
Mount Pleasant has a seasonal temperature swing of 50°F / from 23°F in February to 72°F in July. Total annual precipitation is 31.2 inches, with September being the wettest month (3.6") and February the driest (1.2").