An RV in South Dakota is winterized for about 5 months a year at Sioux Falls, and the median first 32°F night arrives October 1 at Rapid City (NOAA 1991-2020). 13 RV & motorhome storage facilities are listed in South Dakota, 2 with indoor or climate-controlled space.
| Month | Sioux Falls high / low | RV | Rapid City snow | Rapid City high / low | RV |
|---|---|---|---|---|---|
| Jan | 27° / 9° | winterized | 5.3 in | 36° / 13° | winterized |
| Feb | 32° / 13° | winterized | 7.7 in | 38° / 14° | winterized |
| Mar | 45° / 24° | winterized | 8.4 in | 48° / 23° | winterized |
| Apr | 59° / 36° | shoulder trips | 10.1 in | 57° / 31° | shoulder trips |
| May | 71° / 48° | camping | 1.5 in | 67° / 42° | camping |
| Jun | 81° / 59° | camping | 0.0 in | 78° / 52° | camping |
| Jul | 85° / 63° | camping | 0.0 in | 86° / 59° | camping |
| Aug | 83° / 61° | camping | 0.0 in | 85° / 56° | camping |
| Sep | 76° / 52° | camping | 0.1 in | 76° / 46° | camping |
| Oct | 61° / 38° | shoulder trips | 3.0 in | 60° / 34° | shoulder trips |
| Nov | 45° / 25° | winterized | 5.7 in | 47° / 22° | winterized |
| Dec | 32° / 13° | winterized | 6.7 in | 37° / 14° | winterized |
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 Sioux Falls has 5 months camping (May to September), 2 of shoulder trips and 5 winterized. By that rule an RV at Rapid City has 5 months camping (May to September), 2 of shoulder trips and 5 winterized.
South Dakota is severe-freeze country for an RV: Sioux Falls averages 8.5°F on January nights and about 24.9 nights a year at or below 0°F, so full winterization is mandatory and heated space is worth pricing.
13 live listings in 9 cities; by listed type: 2 indoor, 2 covered and 13 outdoor (types overlap). No South Dakota RV & motorhome storage listing publishes a rate on StowHelp.
| Facility | City | Listed storage | Listed amenities | Also listed for |
|---|---|---|---|---|
| LockBox Storage - Sioux Falls | Sioux Falls | indoor, outdoor, covered | Trailer | |
| Lee Park Storage | Aberdeen | indoor, outdoor, covered | Trailer | |
| 24 Express Camp Ground | Wasta | outdoor | ||
| American Creek Campground | Chamberlain | outdoor | ||
| Groton City Park | Groton | outdoor | ||
| Hay Creek Ranch | Nemo | outdoor | ||
| Badlands/White River KOA Holiday | Interior | outdoor | ||
| Black Hills RV Park | Rapid City | outdoor | ||
| FOX DEN STORE-IT, LLC | Rapid City | outdoor | Car, Boat, Motorcycle | |
| Belvidere East / Exit 170 KOA | Midland | outdoor | ||
| Sioux Falls KOA Journey | Sioux Falls | outdoor | ||
| Rapid City South RV Park | Rapid City | outdoor | ||
| Rapid City RV Park & Campground | Rapid City | outdoor |
| City | RV & Motorhome Storage listings | Indoor | Climate-controlled | Outdoor |
|---|---|---|---|---|
| Rapid City | 4 | 0 | 0 | 4 |
| Sioux Falls | 2 | 1 | 0 | 2 |
| Aberdeen | 1 | 1 | 0 | 1 |
| Chamberlain | 1 | 0 | 0 | 1 |
| Groton | 1 | 0 | 0 | 1 |
| Interior | 1 | 0 | 0 | 1 |
| Midland | 1 | 0 | 0 | 1 |
| Nemo | 1 | 0 | 0 | 1 |
| Wasta | 1 | 0 | 0 | 1 |
NOAA's 1991-2020 median first 32°F night is October 6 at Sioux Falls and October 1 at Rapid City; winterize by September 17, two weeks ahead of the earlier date. By our RV rule Sioux Falls stays camping through September and Rapid City through September, then 2 months of shoulder trips follow at Sioux Falls. 2 South Dakota listings offer indoor or climate-controlled space.
5 at Sioux Falls (October to April) and 5 at Rapid City (October to April), plus 2 and 2 months of shoulder trips. Those winterized months hold 33.8 of the 48.5 inches of snow Rapid City averages a year (70%), which is the load on a cover or carport roof. At Sioux Falls an RV is camping from May to September (5 months), against 5 at Rapid City.
Of 13 live South Dakota listings, 2 list indoor space and 0 climate-controlled units, against 13 outdoor and 2 covered. By city: Rapid City (4 listed, 0 indoor), Sioux Falls (2 listed, 1 indoor), Aberdeen (1 listed, 1 indoor) and Chamberlain (1 listed, 0 indoor). Most indoor listings: Sioux Falls (1) and Aberdeen (1). Ask whether indoor means heated; listings span 9 cities in all.
At Sioux Falls, 5 months average a low at or below 32°F, all of them winterized months by our RV rule. Sioux Falls logs 162.0 nights at or below 32°F and 24.9 at or below 0°F a year; January, the coldest month, averages 8.5°F and is winterized for an RV.
After the last frost. The median last 32°F night is May 1 at Sioux Falls and May 12 at Rapid City; the last 28°F hard freeze comes around April 22 and May 2. Our rule makes May the first month camping at Sioux Falls and May at Rapid City. That month Sioux Falls averages a 47.5°F low and a 70.8°F high. Reverse each winterization step first.
South Dakota RV & motorhome storage listings span 9 cities, led by Rapid City (4 listed), Sioux Falls (2 listed), Aberdeen (1 listed), Chamberlain (1 listed) and Groton (1 listed). For outdoor winter parking, Rapid City (4 outdoor) and Sioux Falls (2 outdoor) lead. Statewide, 13 list outdoor, 2 covered and 2 indoor or climate-controlled spaces. Compare the cities nearest you before October 1.
NOAA NCEI Climate Normals 1991-2020 (USW00014944, USW00024090); NOAA AOML hurricane impacts 1851-2025; StowHelp listings 2026-10-07 (methodology).