Cost to Run a Humidifier in Missouri
Missouri's average residential electricity rate is 16.1¢/kWh as of July 2026 — the 25th cheapest in the country, 12% below the U.S. average. At typical usage (10 hours/day), a humidifier here costs $1.96 per month.
Per hour
0.6¢
at 20–300 W
Per day
6.4¢
10 hours/day
Per month
$1.96
12 kWh
Per year
$23.51
146 kWh
By usage level in Missouri
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 3.2¢ | $0.98 | $11.75 |
| Typical (10 hrs/day) | 6.4¢ | $1.96 | $23.51 |
| Heavy (20 hrs/day) | $0.13 | $3.92 | $47.01 |
Missouri vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in Missouri?
At Missouri's current average residential rate of 16.1¢/kWh (July 2026), a humidifier with typical usage costs about 6.4¢ per day, $1.96 per month, or $23.51 per year.
Is running a humidifier in Missouri more expensive than average?
No — it's cheaper. Missouri's rate is about 12% below the U.S. average: $1.96 per month here versus $2.23 nationally.
What does electricity cost in Missouri right now?
Missouri residents pay an average of 16.1¢ per kWh as of July 2026 — the 25th cheapest rate of the 51 U.S. jurisdictions we track.