A boat in Idaho is laid up for about 5 months a year at Pocatello, and the median first 32°F night arrives September 18 at Pocatello (NOAA 1991-2020). 37 boat storage facilities are listed in Idaho, 35 with indoor or climate-controlled space.
| Month | Boise high / low | boat | Pocatello snow | Pocatello high / low | boat |
|---|---|---|---|---|---|
| Jan | 39° / 26° | laid up | 8.5 in | 34° / 17° | laid up |
| Feb | 46° / 29° | laid up | 7.6 in | 39° / 20° | laid up |
| Mar | 56° / 35° | launch or haul-out | 4.1 in | 51° / 28° | laid up |
| Apr | 62° / 40° | launch or haul-out | 2.6 in | 59° / 33° | launch or haul-out |
| May | 72° / 48° | in the water | 0.4 in | 69° / 40° | launch or haul-out |
| Jun | 81° / 54° | in the water | 0.0 in | 79° / 46° | in the water |
| Jul | 93° / 62° | in the water | 0.0 in | 89° / 52° | in the water |
| Aug | 91° / 61° | in the water | 0.0 in | 88° / 51° | in the water |
| Sep | 80° / 53° | in the water | 0.0 in | 77° / 42° | launch or haul-out |
| Oct | 65° / 42° | launch or haul-out | 1.2 in | 62° / 33° | launch or haul-out |
| Nov | 49° / 32° | laid up | 4.0 in | 46° / 24° | laid up |
| Dec | 39° / 25° | laid up | 10.1 in | 34° / 17° | 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 Boise has 5 months in the water (May to September), 3 of launch or haul-out and 4 laid up. By that rule a boat at Pocatello has 3 months in the water (June to August), 4 of launch or haul-out and 5 laid up.
Idaho is hard-freeze country: Pocatello logs about 167.4 nights at or below 32°F and 35.8 days that never thaw, enough to freeze any water left in the engine block, raw-water passages, outdrive and plumbing.
37 live listings in 8 cities; by listed type: 35 indoor, 14 covered and 37 outdoor (types overlap). No Idaho boat storage listing publishes a rate on StowHelp.
| Facility | City | Listed storage | Listed amenities | Also listed for |
|---|---|---|---|---|
| LockAway Storage | Boise | indoor, outdoor | ||
| Storage Place Inc | Meridian | indoor, outdoor | ||
| STOR-N-LOCK Self Storage | Boise | indoor, outdoor | ||
| Cherry Lane Outdoor Storage | Nampa | indoor, outdoor | ||
| Acorn Storage | Meridian | indoor, outdoor | ||
| Post Falls Boat Storage | Post Falls | indoor, outdoor, covered | Jet Ski | |
| Advanced Storage Center | Coeur D'Alene | indoor, outdoor, covered | security cameras, gated entry | Jet Ski |
| Allan's Handy Storage | Garden City | indoor, outdoor | ||
| Stancraft Marine Center | Coeur D'Alene | indoor, outdoor, covered | Jet Ski | |
| Boat Storage Sandpoint Idaho | Sagle | outdoor | ||
| Paradigm Storage McCall | McCall | indoor, outdoor, covered | Jet Ski | |
| Undercover Boat and RV Storage | Post Falls | indoor, outdoor, covered | Jet Ski | |
| Mile High Marina | McCall | indoor, outdoor, covered | Jet Ski | |
| Storelocal Storage | Boise | indoor, outdoor | ||
| Rocky Mountain Storage | Meridian | indoor, outdoor | ||
| Access Storage | Boise | indoor, outdoor | ||
| Rocket Storage | Boise | indoor, outdoor, covered | Jet Ski | |
| Idaho Self Storage | Boise | indoor, outdoor | ||
| 5 Mile Storage | Boise | indoor, outdoor | ||
| Storage Plus Inc | Boise | indoor, outdoor |
| City | Boat Storage listings | Indoor | Climate-controlled | Outdoor |
|---|---|---|---|---|
| Boise | 18 | 17 | 0 | 18 |
| Meridian | 6 | 6 | 0 | 6 |
| Coeur D'Alene | 5 | 5 | 0 | 5 |
| Post Falls | 3 | 3 | 0 | 3 |
| McCall | 2 | 2 | 0 | 2 |
| Garden City | 1 | 1 | 0 | 1 |
| Nampa | 1 | 1 | 0 | 1 |
| Sagle | 1 | 0 | 0 | 1 |
NOAA's 1991-2020 median first 32°F night is October 21 at Boise and September 18 at Pocatello; winterize by September 4, two weeks ahead of the earlier date. By our boat rule Boise stays in the water through September and Pocatello through August, then 3 months of launch or haul-out follow at Boise. 35 Idaho listings offer indoor or climate-controlled space.
4 at Boise (October to April) and 5 at Pocatello (September to May), plus 3 and 4 months of launch or haul-out. Those laid up months hold 34.3 of the 38.5 inches of snow Pocatello averages a year (89%), which is the load on a cover or carport roof. At Boise a boat is in the water from May to September (5 months), against 3 at Pocatello.
Of 37 live Idaho listings, 35 list indoor space and 0 climate-controlled units, against 37 outdoor and 14 covered. By city: Boise (18 listed, 17 indoor), Meridian (6 listed, 6 indoor), Coeur D'Alene (5 listed, 5 indoor) and Post Falls (3 listed, 3 indoor). Most indoor listings: Boise (17), Meridian (6) and Coeur D'Alene (5). Ask whether indoor means heated; listings span 8 cities in all.
At Pocatello, 5 months average a low at or below 32°F, all of them laid up months by our boat rule. Pocatello logs 167.4 nights at or below 32°F and 8.1 at or below 0°F a year; January, the coldest month, averages 17.1°F and is laid up for a boat.
After the last frost. The median last 32°F night is April 24 at Boise and May 23 at Pocatello; the last 28°F hard freeze comes around April 2 and May 6. Our rule makes May the first month in the water at Boise and June at Pocatello. That month Boise averages a 47.5°F low and a 72.3°F high. Reverse each winterization step first.
Idaho boat storage listings span 8 cities, led by Boise (18 listed), Meridian (6 listed), Coeur D'Alene (5 listed), Post Falls (3 listed) and McCall (2 listed). For outdoor winter parking, Boise (18 outdoor) and Meridian (6 outdoor) lead. Statewide, 37 list outdoor, 14 covered and 35 indoor or climate-controlled spaces. Compare the cities nearest you before September 18.
NOAA NCEI Climate Normals 1991-2020 (USW00024131, USW00024156); NOAA AOML hurricane impacts 1851-2025; StowHelp listings 2026-10-07 (methodology).