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Weather & Climate in Mackinaw City, MI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mackinaw City has a cool climate with an average annual temperature of 44°F (7°C). Winters average 20°F in January while summers reach 67°F in July. The area gets 258 sunny days per year, above the national average. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 598 feet.
Temperature
20°F Jan (-7°C)
67°F Jul (20°C)
| Annual Average | 44.3°F |
| 18% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 598 ft (182 m) |
| Area | 7.6 sq mi (19.7 km²) |
| Population Density | 188/sq mi |
| Coordinates | 45.7839°N, 84.7566°W |
| Timezone | America/Detroit |
| County | Emmet County County |
| Nearest Airport | Pellston Regional/Emmet County (PLN) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 38.1 / 100 |
| Social Vulnerability | 31.7 / 100 |
| Community Resilience | 96.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
45 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 2 fatalities, 48 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 20, 2022 | EF3 | 91 km | 17.5 mi | 2 |
| Jul 3, 1974 | EF3 | 83 km | 11.9 mi | 0 |
| Jul 31, 1977 | EF2 | 91 km | 19.4 mi | 0 |
| May 8, 1964 | EF2 | 87 km | 17.9 mi | 0 |
| Jul 4, 1957 | EF2 | 88 km | 4.9 mi | 0 |
| Sep 1, 2014 | EF1 | 99 km | 7.2 mi | 0 |
| Oct 18, 2007 | EF1 | 56 km | 10.2 mi | 0 |
| Aug 1, 2002 | EF1 | 69 km | 1.0 mi | 0 |
| Jul 9, 1993 | EF1 | 79 km | 11.8 mi | 0 |
| Jul 5, 1993 | EF1 | 15 km | 1.0 mi | 0 |
| Jul 5, 1993 | EF1 | 15 km | 0.5 mi | 0 |
| Aug 16, 1988 | EF1 | 61 km | 0.6 mi | 0 |
| Aug 12, 1988 | EF1 | 68 km | 5.1 mi | 0 |
| Jul 12, 1987 | EF1 | 62 km | 5.1 mi | 0 |
| Aug 8, 1986 | EF1 | 83 km | 1.7 mi | 0 |
| Sep 7, 1985 | EF1 | 85 km | 2.0 mi | 0 |
| Aug 16, 1978 | EF1 | 74 km | 0.5 mi | 0 |
| Aug 16, 1978 | EF1 | 37 km | 1.5 mi | 0 |
| Aug 22, 1977 | EF1 | 84 km | 1.5 mi | 0 |
| Aug 5, 1977 | EF1 | 81 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
5 wildfires (100+ acres) recorded within 100 km. Largest: SLEEPER LAKE (17,623 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | SLEEPER LAKE | 17,623 | 99 km |
| 2022 | BLUE LAKES | 2,554 | 75 km |
| 1998 | CAMP FAUNCE | 1,922 | 52 km |
| 1999 | MACKINAC3 | 741 | 51 km |
| 2019 | RIFLE RANGE | 729 | 63 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 2.1 in | |
| February | 18°F (-8°C) | 1.3 in | Coldest, Driest |
| March | 28°F (-3°C) | 1.8 in | |
| April | 40°F (4°C) | 2.3 in | |
| May | 52°F (11°C) | 2.8 in | |
| June | 61°F (16°C) | 2.6 in | |
| July | 67°F (20°C) | 2.8 in | Warmest |
| August | 65°F (18°C) | 3.1 in | |
| September | 58°F (14°C) | 3.9 in | Wettest |
| October | 47°F (8°C) | 2.9 in | |
| November | 35°F (2°C) | 2.8 in | |
| December | 24°F (-5°C) | 2.3 in |
Mackinaw City has a seasonal temperature swing of 49°F / from 18°F in February to 67°F in July. Total annual precipitation is 30.6 inches, with September being the wettest month (3.9") and February the driest (1.3").