14 listings with more than 251 climate-controlled storage units in and around Saint Charles, MO
Not sure what size you need? See our size guide!
Not sure what size you need? See our size guide!
Extra Space Storage - 3939 Mexico Road, Saint Peters, MO 63376
- Climate-Controlled
- Indoor
- 24 hour access
$41Small 5x5$113Medium 10x10$184Large 10x20
StorageMart - 6494 Highway N, Cottleville, MO 63304
- Climate-Controlled
- Indoor
- Drive-Up Access
Ultra Self Storage - 400 Fountain Lakes Blvd, St. Charles, MO 63301
- Climate-Controlled
- Indoor
- Drive-Up Access
$27Small 5x5$77Medium 10x10$72Large 11x20
Storage Masters - 1025 Hemsath Road, St. Charles, MO 63303
- Climate-Controlled
- Indoor
- Drive-Up Access
$23Small 5x5$59Medium 10x10$127Large 10x25
Extra Space Storage - 1610 Woodstone Drive, St Peters, MO 63304
- Climate-Controlled
- Indoor
- Drive-Up Access
$51Small 5x5$169Medium 10x10$316Large 10x20
LocalStorage - 2960 Elm Point Industrial Drive, St Charles, MO 63301
- Climate-Controlled
- Indoor
- Drive-Up Access
$52Small 5x10$69Medium 10x10$104Large 12x40
Public Storage - 3777 Veterans Memorial Pkwy, St Charles, MO 63303
- Climate-Controlled
- Indoor
- Drive-Up Access
$24Small 5x8$97Medium 10x15$130Large 10x20
Extra Space Storage - 2311 1st Capitol Drive, Saint Charles, MO 63301
- Climate-Controlled
- Indoor
- Retail Available
$34Small 5x5$93Medium 10x10$233Large 10x20
Extra Space Storage - 1500 South 1st Capitol Drive, St Charles, MO 63303
- Climate-Controlled
- Indoor
- 24 hour access
$53Small 5x5$161Medium 10x10$292Large 10x20
Public Storage - 257 Spencer Road, St Peters, MO 63376
- Climate-Controlled
- Indoor
- 24 hour access
$34Small 5x5$97Medium 10x10$106Large 10x20
Extra Space Storage - 10130 Mid Rivers Mall Drive, St Peters, MO 63376
- Climate-Controlled
- Indoor
- Drive-Up Access
$27Small 5x5$71Medium 10x15$97Large 10x30
Love's Storage Solutions - 13945 Missouri Bottom Road, Bridgeton, MO 63044
- Climate-Controlled
- Indoor
- 24 hour access
$30Small 5x10$99Medium 10x10$99Large 12x45- No Photo Available
StorCo Self Storage - 500 North Service Road, Saint Peters, MO 63376
- Climate-Controlled
- Indoor
- Drive-Up Access
$20Small 5x5$55Medium 10x10$80Large 10x20
Public Storage - 3760 Pennridge Drive, Bridgeton, MO 63044
- Climate-Controlled
- Indoor
- Drive-Up Access
$24Small 5x5$124Medium 10x10$74Large 10x20
Trending storage types in Saint Charles:
Check out climate-controlled storage units in nearby cities:
- Bridgeton, MO 7 mi away from $40/mo
- Hazelwood, MO 8 mi away from $21/mo
- Creve Coeur, MO 10 mi away from $45/mo
- Saint Ann, MO 10 mi away from $7/mo
- Overland, MO 12 mi away from $12/mo
- Ferguson, MO 14 mi away from $118/mo
- Ellisville, MO 16 mi away from $13/mo
- Manchester, MO 16 mi away from $44/mo
- Jennings, MO 16 mi away from $68/mo
- Rock Hill, MO 17 mi away from $108/mo
- Brentwood, MO 17 mi away from $92/mo
- Maplewood, MO 18 mi away from $48/mo
- Valley Park, MO 18 mi away from $11/mo
- Shrewsbury, MO 19 mi away from $37/mo
- Crestwood, MO 19 mi away from $40/mo
- Godfrey, IL 20 mi away from $75/mo
- Sunset Hills, MO 21 mi away from $22/mo
Need more options? Browse storage units in other Missouri cities!
- Kansas City, MO from $19/mo
- Saint Louis, MO from $14/mo
- Springfield, MO from $39/mo
- Independence, MO from $22/mo
- O'Fallon, MO from $22/mo
- Lee's Summit, MO from $61/mo
- Saint Peters, MO from $37/mo
- Blue Springs, MO from $19/mo
- Florissant, MO from $19/mo
- Chesterfield, MO from $24/mo
- Wentzville, MO from $36/mo
- Oakville, MO
- Ballwin, MO from $13/mo
- Liberty, MO from $38/mo
- Mehlville, MO from $71/mo
- Lake Saint Louis, MO from $22/mo
- Raytown, MO from $58/mo
- Kirkwood, MO from $52/mo
- Maryland Heights, MO
- Gladstone, MO
Average storage prices in Saint Charles (updated April 2026)
With prices starting at $14, you’ll find everything from compact locker-sized units to large spaces for cars, RVs or household goods. The average monthly rate for a storage unit in Saint Charles is $92.
Prices typically vary depending on the unit size and whether it’s climate controlled.
| Unit Size | Non-Climate-Controlled Units | Climate-Controlled Units |
|---|---|---|
| 5x5 | $27 | $33 |
| 5x10 | $51 | $58 |
| 10x10 | $110 | $113 |
| 10x15 | $138 | $150 |
| 10x20 | $188 | $217 |
| 10x30 | $254 | $304 |
| Average (all sizes) | $128 | $146 |
Note: Street rate data provided by Yardi Matrix.
Check out climate-controlled storage prices in Saint Charles, MO
Finding the right climate-controlled storage in Saint Charles, MO is crucial for protecting your valuable items. Renting a climate-controlled storage unit in Saint Charles hovers around $146 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $33.
A large, 10x30 climate-controlled unit, on the other hand, can cost around $304.
There are 9 facilities in Saint Charles, MO offering climate-controlled storage options, ensuring you can find a unit that meets your needs.
Why you should use climate-controlled self storage?
Climate-controlled storage units maintain a consistent temperature throughout the year, regardless of the outside weather. This type of storage will protect your belongings from the damaging effects of extreme heat and cold.

Climate-controlled storage also manages humidity levels, preventing moisture-related damage like mold and mildew.
Whether you’re storing electronics, antiques, documents, or artwork, climate-controlled units offer the best environment to keep these sensitive items safe.
Looking for more options? Browse climate-controlled storage units in nearby cities to find the perfect solution for your storage needs.
Frequently asked questions
How safe is self storage?
Most self storage facilities have some level of security, often including surveillance cameras and gated access. Popular security features include video surveillance and secure entry systems. Know that the facility comes with a strong security setup can give you confidence that your belongings are safe until you need them again.
What is climate-controlled storage?
Climate-controlled storage refers to a type of storage where temperature and humidity. The primary goal of climate control is to protect your belongings from environmental damage. Items that are sensitive or fragile, like furniture, appliances or antiques, aren't built to endure fluctuations in temperature and humidity. Without climate control, a standard self storage unit can expose these types of possessions to common damage like mold, mildew, rust, and corrosion.
What items cannot be put in storage?
Generally, avoid storing plants, food, live animals, hazardous and wet items among other. However, ask the facility you plan on renting from to find out the specific list of items that can't be put in storage.
Can I go to my storage unit anytime?
Access to your unit can vary depending on the facility. Some self storage locations offer 24/7 access, while others limit entry to specific operating hours that can vary. It's also a good idea to ask what their access schedule prior renting a unit to see if it matches your needs.
Methodology Note: Self storage data - including pricing and unit information - is analyzed and curated by RentCafe Self Storage. Statements reflect local market coverage and storage availability trends within the area.
Data sources: RentCafe Self Storage Research, Yardi Matrix, U.S. Census.