An RV in Maryland is winterized for about 2 months a year at Baltimore, and the median first 32°F night arrives October 30 at Salisbury (NOAA 1991-2020). 57 RV & motorhome storage facilities are listed in Maryland, 29 with indoor or climate-controlled space.
| Month | Baltimore high / low | RV | Baltimore snow | Salisbury high / low | RV |
|---|---|---|---|---|---|
| Jan | 43° / 25° | winterized | 6.4 in | 46° / 28° | winterized |
| Feb | 46° / 27° | winterized | 7.5 in | 48° / 29° | shoulder trips |
| Mar | 55° / 34° | shoulder trips | 2.8 in | 55° / 35° | shoulder trips |
| Apr | 67° / 44° | camping | 0.0 in | 66° / 44° | camping |
| May | 76° / 53° | camping | 0.0 in | 74° / 53° | camping |
| Jun | 84° / 63° | camping | 0.0 in | 83° / 63° | camping |
| Jul | 89° / 68° | camping | 0.0 in | 88° / 68° | camping |
| Aug | 87° / 66° | camping | 0.0 in | 85° / 66° | camping |
| Sep | 80° / 59° | camping | 0.0 in | 80° / 60° | camping |
| Oct | 68° / 47° | camping | 0.0 in | 69° / 48° | camping |
| Nov | 57° / 37° | shoulder trips | 0.1 in | 59° / 38° | shoulder trips |
| Dec | 48° / 30° | shoulder trips | 2.5 in | 50° / 31° | shoulder trips |
RV column rule: camping at a 40°F low or warmer with highs under 95°F; shoulder trips above a 28°F low; winterized below.
By that rule an RV at Baltimore has 7 months camping (April to October), 3 of shoulder trips and 2 winterized. By that rule an RV at Salisbury has 7 months camping (April to October), 4 of shoulder trips and 1 winterized.
Maryland freezes in short spells: Baltimore has about 93.2 freezing nights but only 10.7 days that stay below 32°F, and those overnight freezes are what crack an RV that was not drained.
57 live listings in 29 cities; by listed type: 29 indoor, 6 covered and 38 outdoor (types overlap). No Maryland RV & motorhome storage listing publishes a rate on StowHelp.
| Facility | City | Listed storage | Listed amenities | Also listed for |
|---|---|---|---|---|
| Allied Properties | Aberdeen | indoor, outdoor | ||
| BWI Storage | Glen Burnie | indoor, outdoor | ||
| Stack & Store Self Storage | Joppa | indoor, outdoor | ||
| White Marsh Self Storage | White Marsh | indoor, outdoor | ||
| Stack & Store Self Storage | Aberdeen | indoor, outdoor | ||
| Store-It - Halethorpe | Halethorpe | indoor, outdoor | ||
| Fullerton Self Storage | Nottingham | indoor, outdoor | ||
| Gude Self Storage | Baltimore | indoor, outdoor | ||
| Self Storage Zone | Forestville | indoor, outdoor | ||
| Devon Self Storage | Baltimore | indoor, outdoor, covered | Trailer | |
| Advantage Self Storage | Stevensville | indoor, outdoor | ||
| Public Storage - Towson | Towson | indoor, outdoor, covered | Trailer | |
| King's Park Mini Storage | Hillcrest Hts | indoor, outdoor | ||
| Clinton Mini Storage | Clinton | indoor, outdoor | ||
| Severna Office & Storage Park- Mini Warehouse Group | Millersville | indoor, outdoor | ||
| Extra Space Storage - Towson | Towson | indoor, outdoor, covered | Trailer | |
| Kingstown Storage | Chestertown | indoor, outdoor | ||
| Advantage Self Storage | Chester | indoor, outdoor | ||
| Route 1 Self Storage | Laurel | indoor, outdoor | ||
| Fort Knox Self Storage | Columbia | indoor, outdoor |
| City | RV & Motorhome Storage listings | Indoor | Climate-controlled | Outdoor |
|---|---|---|---|---|
| Baltimore | 15 | 9 | 0 | 9 |
| Perryville | 13 | 0 | 0 | 0 |
| Aberdeen | 2 | 2 | 0 | 2 |
| Towson | 2 | 2 | 0 | 2 |
| Bishopville | 1 | 0 | 0 | 1 |
| Callaway | 1 | 0 | 0 | 1 |
| Chester | 1 | 1 | 0 | 1 |
| Chestertown | 1 | 1 | 0 | 1 |
| Clinton | 1 | 1 | 0 | 1 |
| Columbia | 1 | 1 | 0 | 1 |
NOAA's 1991-2020 median first 32°F night is October 31 at Baltimore and October 30 at Salisbury; winterize by October 16, two weeks ahead of the earlier date. By our RV rule Baltimore stays camping through October and Salisbury through October, then 3 months of shoulder trips follow at Baltimore. 29 Maryland listings offer indoor or climate-controlled space.
2 at Baltimore (November to March) and 1 at Salisbury (November to March), plus 3 and 4 months of shoulder trips. Those winterized months hold 13.9 of the 19.3 inches of snow Baltimore averages a year (72%), which is the load on a cover or carport roof. At Baltimore an RV is camping from April to October (7 months), against 7 at Salisbury.
Of 57 live Maryland listings, 29 list indoor space and 0 climate-controlled units, against 38 outdoor and 6 covered. By city: Baltimore (15 listed, 9 indoor), Perryville (13 listed, 0 indoor), Aberdeen (2 listed, 2 indoor) and Towson (2 listed, 2 indoor). Most indoor listings: Baltimore (9), Aberdeen (2) and Towson (2). Ask whether indoor means heated; listings span 29 cities in all.
At Baltimore, 3 months average a low at or below 32°F: 2 winterized and 1 shoulder trips or camping by our RV rule. Baltimore logs 93.2 nights at or below 32°F and 0.1 at or below 0°F a year; January, the coldest month, averages 25.4°F and is winterized for an RV. Drain or re-protect the RV after any outing in those 1 month.
After the last frost. The median last 32°F night is April 10 at Baltimore and April 10 at Salisbury; the last 28°F hard freeze comes around March 28 and March 30. Our rule makes April the first month camping at Baltimore and April at Salisbury. That month Baltimore averages a 43.6°F low and a 66.5°F high. Reverse each winterization step first.
Maryland RV & motorhome storage listings span 29 cities, led by Baltimore (15 listed), Perryville (13 listed), Aberdeen (2 listed), Towson (2 listed) and Bishopville (1 listed). For outdoor winter parking, Baltimore (9 outdoor) and Aberdeen (2 outdoor) lead. Statewide, 38 list outdoor, 6 covered and 29 indoor or climate-controlled spaces. Compare the cities nearest you before October 30.
NOAA NCEI Climate Normals 1991-2020 (USW00093721, USW00093720); NOAA AOML hurricane impacts 1851-2025; StowHelp listings 2026-10-07 (methodology).