Verified climate-controlled

A1 U Store It

2770 State Hwy K, O'Fallon, MO 63368
654 Google reviews

A1 U Store It says on its own website, a1ustoreit.com, that it offers climate-controlled units. We last checked on Oct 25, 2026.

Call (636) 452-5660 Directions Reserve on their site

What their website says

"Our storage facility at A1 U Store It - O’Fallon is built to deter thieves and vandals while providing storage units with drive-up access and climate control. You can select a drive-up storage unit or a climate-controlled storage unit, both featuring various sizes and competitive rates."

Source: a1ustoreit.com

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Climate features

  • 24-hour access
  • Gated entry
  • Video cameras
  • Drive-up units
  • On-site manager

From a1ustoreit.com. Ask the facility which features apply to the unit you rent.

Local weather

  • Average July high near this facility: 88°F. January low: 21°F. (NOAA, 1991-2020 normals from a station 4.8 mi away)

How it compares

  • 1 of 2 verified climate-controlled facilities in ZIP 63368, ranked by number of Google reviews.
  • 1 of 5 verified climate-controlled facilities in O'Fallon, ranked the same way.
  • We read the websites of 7 storage facilities in O'Fallon. 5 of them (71%) say they offer climate-controlled units.
  • Rated 4.9 on Google, 0.1 above the O'Fallon median of 4.8 across 5 rated facilities.
  • Lists 24-hour access on its website. 3 of 5 O'Fallon facilities with amenity details do.

Based on the facilities we've verified. Comparisons need at least 3 facilities.

Office hours

As listed on Google. Gate access hours can be different, so confirm with the facility.

Hours by day
Monday9 AM to 5 PM
Tuesday9 AM to 5 PM
Wednesday9 AM to 5 PM
Thursday9 AM to 5 PM
Friday9 AM to 5 PM
Saturday9 AM to 3 PM
SundayClosed

What to ask this facility

  1. Do the climate-controlled units control humidity, or only temperature?

    a1ustoreit.com talks about climate control but doesn't mention humidity.

  2. What temperature range do the units stay in, summer and winter?

    a1ustoreit.com doesn't list one. Near here, July highs average 88°F and January lows 21°F.

  3. What sizes of climate-controlled units do you have, and what do they cost?

    We didn't find climate-controlled sizes or prices on a1ustoreit.com.

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