Cost to Run a Dehumidifier in Washington
Washington's average residential electricity rate is 14.4¢/kWh as of April 2026 — the 12th cheapest in the country, 23% below the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $21.89 per month.
Per hour
7.2¢
at 300–700 W
Per day
$0.72
10 hours/day
Per month
$21.89
152 kWh
Per year
$263
1,825 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.36 | $10.94 | $131 |
| Typical (10 hrs/day) | $0.72 | $21.89 | $263 |
| Heavy (20 hrs/day) | $1.44 | $43.78 | $526 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in Washington?
At Washington's current average residential rate of 14.4¢/kWh (April 2026), a dehumidifier with typical usage costs about $0.72 per day, $21.89 per month, or $263 per year.
Is running a dehumidifier in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 23% below the U.S. average: $21.89 per month here versus $28.58 nationally.
What does electricity cost in Washington right now?
Washington residents pay an average of 14.4¢ per kWh as of April 2026 — the 12th cheapest rate of the 51 U.S. jurisdictions we track.