Cost to Run a Humidifier in Idaho
Idaho's average residential electricity rate is 12.4¢/kWh as of May 2026 — the 1st cheapest in the country, 33% below the U.S. average. At typical usage (10 hours/day), a humidifier here costs $1.51 per month.
Per hour
0.5¢
at 20–300 W
Per day
5.0¢
10 hours/day
Per month
$1.51
12 kWh
Per year
$18.10
146 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 2.5¢ | $0.75 | $9.05 |
| Typical (10 hrs/day) | 5.0¢ | $1.51 | $18.10 |
| Heavy (20 hrs/day) | $0.10 | $3.02 | $36.21 |
Idaho vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in Idaho?
At Idaho's current average residential rate of 12.4¢/kWh (May 2026), a humidifier with typical usage costs about 5.0¢ per day, $1.51 per month, or $18.10 per year.
Is running a humidifier in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 33% below the U.S. average: $1.51 per month here versus $2.24 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.4¢ per kWh as of May 2026 — the 1st cheapest rate of the 51 U.S. jurisdictions we track.