Cost to Run a Dehumidifier in Missouri
Missouri's average residential electricity rate is 13.7¢/kWh as of May 2026 — the 7th cheapest in the country, 26% below the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $20.82 per month.
Per hour
6.8¢
at 300–700 W
Per day
$0.68
10 hours/day
Per month
$20.82
152 kWh
Per year
$250
1,825 kWh
By usage level in Missouri
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.34 | $10.41 | $125 |
| Typical (10 hrs/day) | $0.68 | $20.82 | $250 |
| Heavy (20 hrs/day) | $1.37 | $41.65 | $500 |
Missouri vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in Missouri?
At Missouri's current average residential rate of 13.7¢/kWh (May 2026), a dehumidifier with typical usage costs about $0.68 per day, $20.82 per month, or $250 per year.
Is running a dehumidifier in Missouri more expensive than average?
No — it's cheaper. Missouri's rate is about 26% below the U.S. average: $20.82 per month here versus $27.97 nationally.
What does electricity cost in Missouri right now?
Missouri residents pay an average of 13.7¢ per kWh as of May 2026 — the 7th cheapest rate of the 51 U.S. jurisdictions we track.