Cost to Run a Dehumidifier in California
California's average residential electricity rate is 35.3¢/kWh as of April 2026 — the 50th cheapest in the country, 88% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $53.66 per month.
Per hour
$0.18
at 300–700 W
Per day
$1.76
10 hours/day
Per month
$53.66
152 kWh
Per year
$644
1,825 kWh
By usage level in California
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.88 | $26.83 | $322 |
| Typical (10 hrs/day) | $1.76 | $53.66 | $644 |
| Heavy (20 hrs/day) | $3.53 | $107 | $1,288 |
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 35.3¢/kWh (April 2026), a dehumidifier with typical usage costs about $1.76 per day, $53.66 per month, or $644 per year.
Is running a dehumidifier in California more expensive than average?
Yes. California's electricity costs about 88% more than the U.S. average, so the same usage costs $53.66 per month here versus $28.58 nationally.
What does electricity cost in California right now?
California residents pay an average of 35.3¢ per kWh as of April 2026 — the 50th cheapest rate of the 51 U.S. jurisdictions we track.