Cost to Run a Dehumidifier in California
California's average residential electricity rate is 33.3¢/kWh as of May 2026 — the 50th cheapest in the country, 81% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $50.62 per month.
Per hour
$0.17
at 300–700 W
Per day
$1.66
10 hours/day
Per month
$50.62
152 kWh
Per year
$608
1,825 kWh
By usage level in California
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.83 | $25.31 | $304 |
| Typical (10 hrs/day) | $1.66 | $50.62 | $608 |
| Heavy (20 hrs/day) | $3.33 | $101 | $1,215 |
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 33.3¢/kWh (May 2026), a dehumidifier with typical usage costs about $1.66 per day, $50.62 per month, or $608 per year.
Is running a dehumidifier in California more expensive than average?
Yes. California's electricity costs about 81% more than the U.S. average, so the same usage costs $50.62 per month here versus $27.97 nationally.
What does electricity cost in California right now?
California residents pay an average of 33.3¢ per kWh as of May 2026 — the 50th cheapest rate of the 51 U.S. jurisdictions we track.