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Weather & Climate in Jenison, MI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jenison experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 24°F in January while summers reach 71°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 39.6 inches. The area receives 74.9 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 658 feet.
Temperature
24°F Jan (-5°C)
71°F Jul (22°C)
| Annual Average | 48.0°F |
| 11% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 658 ft (201 m) |
| Area | 5.9 sq mi (15.4 km²) |
| Population Density | 2,958/sq mi |
| Coordinates | 42.9019°N, 85.8273°W |
| Timezone | America/Detroit |
| County | Barry County County |
| Nearest Airport | Gerald R Ford International (GRR) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 46.0 / 100 |
| Social Vulnerability | 20.8 / 100 |
| Community Resilience | 90.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3 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 | 81 km | 4 km |
| Sep 2, 1994 | 5 km SSW of DeWitt, Michigan | M3.5 | 100 km | 5 km |
| Jun 30, 2015 | 5 km NNE of Burlington, Michigan | M3.3 | 106 km | 5 km |
| Jan 26, 2012 | 5 km NE of Topeka, Indiana | M3.0 | 150 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
252 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 33 fatalities, 802 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1956 | EF5 | 43 km | 58.8 mi | 17 |
| Apr 2, 1977 | EF4 | 73 km | 12.4 mi | 0 |
| Apr 2, 1977 | EF4 | 84 km | 16.6 mi | 1 |
| Apr 21, 1967 | EF4 | 84 km | 12.0 mi | 0 |
| Apr 11, 1965 | EF4 | 15 km | 20.6 mi | 5 |
| Apr 11, 1965 | EF4 | 96 km | 21.0 mi | 1 |
| Aug 24, 2007 | EF3 | 89 km | 6.5 mi | 0 |
| Mar 27, 1991 | EF3 | 96 km | 2.0 mi | 0 |
| May 13, 1980 | EF3 | 68 km | 10.6 mi | 5 |
| May 13, 1980 | EF3 | 82 km | 21.0 mi | 0 |
| Apr 23, 1968 | EF3 | 93 km | 60.9 mi | 0 |
| Apr 21, 1967 | EF3 | 5 km | 13.6 mi | 0 |
| Apr 11, 1965 | EF3 | 62 km | 14.2 mi | 0 |
| Apr 11, 1965 | EF3 | 51 km | 14.1 mi | 0 |
| Apr 3, 1956 | EF3 | 75 km | 60.6 mi | 0 |
| Aug 6, 2024 | EF2 | 97 km | 8.5 mi | 0 |
| May 7, 2024 | EF2 | 80 km | 10.9 mi | 0 |
| Jun 19, 2009 | EF2 | 63 km | 0.9 mi | 0 |
| Jun 19, 2009 | EF2 | 50 km | 5.9 mi | 0 |
| May 21, 2001 | EF2 | 67 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
3 wildfires (100+ acres) recorded within 100 km. Largest: ALLEGAN6 (1,077 acres, 1988).
| Year | Name | Acres Burned | Distance |
| 1988 | ALLEGAN6 | 1,077 | 40 km |
| 2018 | SER 438 / WHITE RIVER | 814 | 72 km |
| 2019 | UNNAMED | 793 | 72 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 2.2 in | Coldest |
| February | 25°F (-4°C) | 1.5 in | Driest |
| March | 35°F (2°C) | 2.5 in | |
| April | 46°F (8°C) | 3.3 in | |
| May | 58°F (14°C) | 3.2 in | |
| June | 67°F (19°C) | 3.5 in | |
| July | 71°F (22°C) | 3.1 in | Warmest |
| August | 70°F (21°C) | 3.8 in | |
| September | 62°F (17°C) | 4.2 in | Wettest |
| October | 51°F (10°C) | 2.9 in | |
| November | 39°F (4°C) | 3.3 in | |
| December | 28°F (-2°C) | 2.9 in |
Jenison has a seasonal temperature swing of 47°F / from 24°F in January to 71°F in July. Total annual precipitation is 36.1 inches, with September being the wettest month (4.2") and February the driest (1.5").