Cost to Run a Humidifier in Hawaii
Hawaii's average residential electricity rate is 52¢/kWh as of May 2026 — the 51st cheapest in the country, 183% above the U.S. average. At typical usage (10 hours/day), a humidifier here costs $6.32 per month.
Per hour
2.1¢
at 20–300 W
Per day
$0.21
10 hours/day
Per month
$6.32
12 kWh
Per year
$75.92
146 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.10 | $3.16 | $37.96 |
| Typical (10 hrs/day) | $0.21 | $6.32 | $75.92 |
| Heavy (20 hrs/day) | $0.42 | $12.65 | $152 |
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 52¢/kWh (May 2026), a humidifier with typical usage costs about $0.21 per day, $6.32 per month, or $75.92 per year.
Is running a humidifier in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 183% more than the U.S. average, so the same usage costs $6.32 per month here versus $2.24 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 52¢ per kWh as of May 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.