Cost to Run a Humidifier in Hawaii
Hawaii's average residential electricity rate is 46.6¢/kWh as of April 2026 — the 51st cheapest in the country, 148% above the U.S. average. At typical usage (10 hours/day), a humidifier here costs $5.67 per month.
Per hour
1.9¢
at 20–300 W
Per day
$0.19
10 hours/day
Per month
$5.67
12 kWh
Per year
$68.04
146 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 9.3¢ | $2.83 | $34.02 |
| Typical (10 hrs/day) | $0.19 | $5.67 | $68.04 |
| Heavy (20 hrs/day) | $0.37 | $11.33 | $136 |
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 46.6¢/kWh (April 2026), a humidifier with typical usage costs about $0.19 per day, $5.67 per month, or $68.04 per year.
Is running a humidifier in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 148% more than the U.S. average, so the same usage costs $5.67 per month here versus $2.29 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 46.6¢ per kWh as of April 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.