Cost to Run a Humidifier in Hawaii
Hawaii's average residential electricity rate is 48¢/kWh as of July 2026 — the 51st cheapest in the country, 162% above the U.S. average. At typical usage (10 hours/day), a humidifier here costs $5.84 per month.
Per hour
1.9¢
at 20–300 W
Per day
$0.19
10 hours/day
Per month
$5.84
12 kWh
Per year
$70.08
146 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.10 | $2.92 | $35.04 |
| Typical (10 hrs/day) | $0.19 | $5.84 | $70.08 |
| Heavy (20 hrs/day) | $0.38 | $11.67 | $140 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in Hawaii?
At Hawaii's current average residential rate of 48¢/kWh (July 2026), a humidifier with typical usage costs about $0.19 per day, $5.84 per month, or $70.08 per year.
Is running a humidifier in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 162% more than the U.S. average, so the same usage costs $5.84 per month here versus $2.23 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 48¢ per kWh as of July 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.