A boat in Colorado is laid up for about 4 months a year at Grand Junction, and the median first 32°F night arrives October 9 at Denver (NOAA 1991-2020). 130 boat storage facilities are listed in Colorado, 58 with indoor or climate-controlled space.
| Month | Denver high / low | boat | Grand Junction snow | Grand Junction high / low | boat |
|---|---|---|---|---|---|
| Jan | 45° / 19° | laid up | 4.5 in | 38° / 17° | laid up |
| Feb | 46° / 20° | laid up | 2.9 in | 46° / 24° | laid up |
| Mar | 56° / 28° | launch or haul-out | 1.8 in | 58° / 32° | launch or haul-out |
| Apr | 62° / 34° | launch or haul-out | 0.9 in | 66° / 38° | launch or haul-out |
| May | 71° / 44° | launch or haul-out | 0.1 in | 77° / 47° | in the water |
| Jun | 83° / 53° | in the water | 0.0 in | 89° / 57° | in the water |
| Jul | 90° / 60° | in the water | 0.0 in | 95° / 64° | in the water |
| Aug | 88° / 58° | in the water | 0.0 in | 91° / 62° | in the water |
| Sep | 80° / 50° | in the water | 0.0 in | 82° / 53° | in the water |
| Oct | 65° / 37° | launch or haul-out | 0.4 in | 67° / 40° | launch or haul-out |
| Nov | 53° / 26° | launch or haul-out | 1.9 in | 52° / 28° | laid up |
| Dec | 44° / 18° | laid up | 5.2 in | 39° / 18° | laid up |
Boat column rule: in the water at a 65°F high and 45°F low or warmer; launch or haul-out from a 52°F high; laid up below.
By that rule a boat at Denver has 4 months in the water (June to September), 5 of launch or haul-out and 3 laid up. By that rule a boat at Grand Junction has 5 months in the water (May to September), 3 of launch or haul-out and 4 laid up.
Colorado is hard-freeze country: Grand Junction logs about 137.2 nights at or below 32°F and 18.1 days that never thaw, enough to freeze any water left in the engine block, raw-water passages, outdrive and plumbing.
130 live listings in 22 cities; by listed type: 58 indoor, 16 covered and 103 outdoor (types overlap). No Colorado boat storage listing publishes a rate on StowHelp.
| Facility | City | Listed storage | Listed amenities | Also listed for |
|---|---|---|---|---|
| Denver Contractor Storage | Denver | indoor, outdoor | ||
| Vapor Trail RV, Boat & Commercial Storage | Colorado Springs | indoor, outdoor, covered | Jet Ski | |
| Outdoor Storage Co | Parker | indoor, outdoor, covered | Jet Ski | |
| Honey Bee RV Storage | Aurora | indoor, outdoor, covered | Jet Ski | |
| Neighborhood Self Storage | Parker | indoor, outdoor, covered | Jet Ski | |
| NOCO Premier RV & Boat Storage | Johnstown | indoor, outdoor, covered | Jet Ski | |
| Ward Road Storage | Wheat Ridge | indoor, outdoor | ||
| Storquest | Englewood | indoor, outdoor | ||
| Out East Recreational Vehicle Storage | Colorado Springs | indoor, outdoor | ||
| Triple Crown Ventures | Denver | indoor, outdoor | ||
| Pink Door Storage & RV Aurora | Aurora | indoor, outdoor, covered | Jet Ski | |
| Outrig - Boulder County | Longmont | indoor, outdoor, covered | Jet Ski | |
| Pink Door Storage & RV | Arvada | indoor, outdoor | ||
| Mini U Storage | Thornton | indoor, outdoor | ||
| Valentine's Marine | Englewood | indoor, outdoor | ||
| The Lake House at Cherry Creek | Greenwood Village | indoor, outdoor | Jet Ski | |
| Recreational Storage Solutions | Erie | indoor, outdoor, covered | Jet Ski | |
| CubeSmart | Arvada | outdoor | Car, RV, Motorcycle | |
| Grand Lake Marina | Grand Lake | outdoor | ||
| Foothills Self-Storage | Loveland | outdoor | Car, RV, Motorcycle |
| City | Boat Storage listings | Indoor | Climate-controlled | Outdoor |
|---|---|---|---|---|
| Colorado Springs | 29 | 13 | 0 | 22 |
| Aurora | 27 | 12 | 0 | 19 |
| Denver | 26 | 11 | 0 | 14 |
| Englewood | 8 | 8 | 0 | 8 |
| Fort Collins | 7 | 2 | 0 | 7 |
| Grand Junction | 7 | 0 | 0 | 7 |
| Loveland | 4 | 1 | 0 | 4 |
| Parker | 4 | 3 | 0 | 4 |
| Castle Rock | 3 | 0 | 0 | 3 |
| Arvada | 2 | 1 | 0 | 2 |
NOAA's 1991-2020 median first 32°F night is October 9 at Denver and October 16 at Grand Junction; winterize by September 25, two weeks ahead of the earlier date. By our boat rule Denver stays in the water through September and Grand Junction through September, then 5 months of launch or haul-out follow at Denver. 58 Colorado listings offer indoor or climate-controlled space.
3 at Denver (October to May) and 4 at Grand Junction (October to April), plus 5 and 3 months of launch or haul-out. Those laid up months hold 14.5 of the 17.7 inches of snow Grand Junction averages a year (82%), which is the load on a cover or carport roof. At Denver a boat is in the water from June to September (4 months), against 5 at Grand Junction.
Of 130 live Colorado listings, 58 list indoor space and 0 climate-controlled units, against 103 outdoor and 16 covered. By city: Colorado Springs (29 listed, 13 indoor), Aurora (27 listed, 12 indoor), Denver (26 listed, 11 indoor) and Englewood (8 listed, 8 indoor). Most indoor listings: Colorado Springs (13), Aurora (12) and Denver (11). Ask whether indoor means heated; listings span 22 cities in all.
At Grand Junction, 5 months average a low at or below 32°F: 4 laid up and 1 launch or haul-out or in the water by our boat rule. Grand Junction logs 137.2 nights at or below 32°F and 3.5 at or below 0°F a year; January, the coldest month, averages 17.3°F and is laid up for a boat. Drain or re-protect the boat after any outing in those 1 month.
After the last frost. The median last 32°F night is May 5 at Denver and April 28 at Grand Junction; the last 28°F hard freeze comes around April 25 and April 13. Our rule makes June the first month in the water at Denver and May at Grand Junction. That month Denver averages a 53.0°F low and a 83.4°F high. Reverse each winterization step first.
Colorado boat storage listings span 22 cities, led by Colorado Springs (29 listed), Aurora (27 listed), Denver (26 listed), Englewood (8 listed) and Fort Collins (7 listed). For outdoor winter parking, Colorado Springs (22 outdoor) and Aurora (19 outdoor) lead. Statewide, 103 list outdoor, 16 covered and 58 indoor or climate-controlled spaces. Compare the cities nearest you before October 9.
NOAA NCEI Climate Normals 1991-2020 (USW00003017, USW00023066); NOAA AOML hurricane impacts 1851-2025; StowHelp listings 2026-10-07 (methodology).