Cost to Run a Dehumidifier in California
California's average residential electricity rate is 33.6¢/kWh as of July 2026 — the 50th cheapest in the country, 84% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $51.07 per month.
Per hour
$0.17
at 300–700 W
Per day
$1.68
10 hours/day
Per month
$51.07
152 kWh
Per year
$613
1,825 kWh
By usage level in California
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.84 | $25.54 | $307 |
| Typical (10 hrs/day) | $1.68 | $51.07 | $613 |
| Heavy (20 hrs/day) | $3.36 | $102 | $1,226 |
California vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in California?
At California's current average residential rate of 33.6¢/kWh (July 2026), a dehumidifier with typical usage costs about $1.68 per day, $51.07 per month, or $613 per year.
Is running a dehumidifier in California more expensive than average?
Yes. California's electricity costs about 84% more than the U.S. average, so the same usage costs $51.07 per month here versus $27.82 nationally.
What does electricity cost in California right now?
California residents pay an average of 33.6¢ per kWh as of July 2026 — the 50th cheapest rate of the 51 U.S. jurisdictions we track.