A car in Michigan is garaged for about 5 months a year at Grand Rapids, and the median first 32°F night arrives October 20 at Grand Rapids (NOAA 1991-2020). 70 classic & exotic car storage facilities are listed in Michigan, 11 with indoor or climate-controlled space.
| Month | Detroit high / low | car | Grand Rapids snow | Grand Rapids high / low | car |
|---|---|---|---|---|---|
| Jan | 32° / 19° | garaged | 22.6 in | 31° / 19° | garaged |
| Feb | 35° / 21° | garaged | 17.2 in | 34° / 20° | garaged |
| Mar | 46° / 29° | garaged | 7.6 in | 45° / 27° | garaged |
| Apr | 59° / 39° | dry-day drives | 2.0 in | 58° / 37° | dry-day drives |
| May | 70° / 50° | driving | 0.0 in | 70° / 49° | driving |
| Jun | 80° / 60° | driving | 0.0 in | 79° / 58° | driving |
| Jul | 84° / 64° | driving | 0.0 in | 83° / 63° | driving |
| Aug | 81° / 63° | driving | 0.0 in | 81° / 61° | driving |
| Sep | 74° / 56° | driving | 0.0 in | 74° / 53° | driving |
| Oct | 62° / 44° | driving | 0.3 in | 61° / 42° | driving |
| Nov | 49° / 34° | dry-day drives | 7.1 in | 47° / 33° | garaged |
| Dec | 37° / 25° | garaged | 20.8 in | 36° / 25° | garaged |
Car column rule: driving at a 36°F low and under 0.5 in of snow; dry-day drives from a 42°F high with under 3 in of snow; garaged otherwise.
By that rule a car at Detroit has 6 months driving (May to October), 2 of dry-day drives and 4 garaged. By that rule a car at Grand Rapids has 6 months driving (May to October), 1 of dry-day drives and 5 garaged.
Michigan is hard-freeze country: Grand Rapids logs about 133.1 nights at or below 32°F and 50.5 days that never thaw, enough to freeze any water left in the battery, coolant and washer fluid.
70 live listings in 13 cities; by listed type: 11 indoor, 11 covered and 28 outdoor (types overlap). No Michigan classic & exotic car storage listing publishes a rate on StowHelp.
| Facility | City | Listed storage | Listed amenities | Also listed for |
|---|---|---|---|---|
| Classic Storage Detroit | Detroit | indoor, outdoor, covered | Motorcycle | |
| Out of Office Garage | Birmingham | indoor, outdoor, covered | ||
| Elmwood Garage | Troy | indoor, outdoor, covered | Motorcycle | |
| Devon Self Storage - Ann Arbor | Ann Arbor | indoor, outdoor, covered | Motorcycle | |
| SmartStop Self Storage - Troy | Troy | indoor, outdoor, covered | Motorcycle | |
| Wolverine Warehouse | Lincoln Park | indoor, outdoor, covered | Motorcycle | |
| Luxury Auto Vault | Ann Arbor | indoor, outdoor, covered | Motorcycle | |
| Your Personal Vault - Franklin | Detroit | |||
| Neighbor Car Storage | Birmingham | |||
| Northland Self-Storage LLC | Harbor Springs | |||
| State Road Self Storage | Harbor Springs | |||
| 248 Garage | Royal Oak | indoor, outdoor, covered | security cameras, gated entry | Motorcycle |
| Hot Rod Storage LLC | Southfield | indoor, outdoor, covered | Motorcycle | |
| My Toy Garage | Pontiac | indoor, outdoor, covered | Motorcycle | |
| Access Storage | Windsor | outdoor | RV, Boat, Motorcycle | |
| National Storage Centers - Redford | Redford | outdoor | RV, Boat, Motorcycle | |
| Enterprise Park RV & Boat Storage | Melvindale | outdoor | RV, Boat, Motorcycle | |
| Simply Self Storage | Dearborn | outdoor | RV, Boat, Motorcycle | |
| Storage Sense - Oak Park | Detroit | |||
| 248 Garage Woodward - Car Detailing, Paint Protection Film, Ceramic Coating & Car Storage | Detroit |
| City | Classic & Exotic Car Storage listings | Indoor | Climate-controlled | Outdoor |
|---|---|---|---|---|
| Detroit | 32 | 1 | 0 | 14 |
| Harbor Springs | 16 | 0 | 0 | 0 |
| Birmingham | 9 | 1 | 0 | 1 |
| Ann Arbor | 3 | 3 | 0 | 3 |
| Troy | 2 | 2 | 0 | 2 |
| Dearborn | 1 | 0 | 0 | 1 |
| Lincoln Park | 1 | 1 | 0 | 1 |
| Melvindale | 1 | 0 | 0 | 1 |
| Pontiac | 1 | 1 | 0 | 1 |
| Redford | 1 | 0 | 0 | 1 |
NOAA's 1991-2020 median first 32°F night is October 27 at Detroit and October 20 at Grand Rapids; winterize by October 6, two weeks ahead of the earlier date. By our car rule Detroit stays driving through October and Grand Rapids through October, then 2 months of dry-day drives follow at Detroit. 11 Michigan listings offer indoor or climate-controlled space.
4 at Detroit (November to April) and 5 at Grand Rapids (November to April), plus 2 and 1 months of dry-day drives. Those garaged months hold 75.3 of the 77.6 inches of snow Grand Rapids averages a year (97%), which is the load on a cover or carport roof. At Detroit a car is driving from May to October (6 months), against 6 at Grand Rapids.
Of 70 live Michigan listings, 11 list indoor space and 0 climate-controlled units, against 28 outdoor and 11 covered. By city: Detroit (32 listed, 1 indoor), Harbor Springs (16 listed, 0 indoor), Birmingham (9 listed, 1 indoor) and Ann Arbor (3 listed, 3 indoor). Most indoor listings: Ann Arbor (3), Troy (2) and Detroit (1). Ask whether indoor means heated; listings span 13 cities in all.
At Grand Rapids, 4 months average a low at or below 32°F, all of them garaged months by our car rule. Grand Rapids logs 133.1 nights at or below 32°F and 4.4 at or below 0°F a year; January, the coldest month, averages 18.6°F and is garaged for a car.
After the last frost. The median last 32°F night is April 20 at Detroit and April 29 at Grand Rapids; the last 28°F hard freeze comes around April 8 and April 16. Our rule makes May the first month driving at Detroit and May at Grand Rapids. That month Detroit averages a 50.2°F low and a 70.3°F high. Reverse each winterization step first.
Michigan classic & exotic car storage listings span 13 cities, led by Detroit (32 listed), Harbor Springs (16 listed), Birmingham (9 listed), Ann Arbor (3 listed) and Troy (2 listed). For outdoor winter parking, Detroit (14 outdoor) and Ann Arbor (3 outdoor) lead. Statewide, 28 list outdoor, 11 covered and 11 indoor or climate-controlled spaces. Compare the cities nearest you before October 20.
NOAA NCEI Climate Normals 1991-2020 (USW00094847, USW00094860); NOAA AOML hurricane impacts 1851-2025; StowHelp listings 2026-10-07 (methodology).