Cost to Run a Humidifier in Washington, D.C.
Washington, D.C.'s average residential electricity rate is 25.4¢/kWh as of April 2026 — the 42nd cheapest in the country, 35% above the U.S. average. At typical usage (10 hours/day), a humidifier here costs $3.09 per month.
Per hour
1.0¢
at 20–300 W
Per day
$0.10
10 hours/day
Per month
$3.09
12 kWh
Per year
$37.08
146 kWh
By usage level in Washington, D.C.
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 5.1¢ | $1.54 | $18.54 |
| Typical (10 hrs/day) | $0.10 | $3.09 | $37.08 |
| Heavy (20 hrs/day) | $0.20 | $6.18 | $74.17 |
Washington, D.C. vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in Washington, D.C.?
At Washington, D.C.'s current average residential rate of 25.4¢/kWh (April 2026), a humidifier with typical usage costs about $0.10 per day, $3.09 per month, or $37.08 per year.
Is running a humidifier in Washington, D.C. more expensive than average?
Yes. Washington, D.C.'s electricity costs about 35% more than the U.S. average, so the same usage costs $3.09 per month here versus $2.29 nationally.
What does electricity cost in Washington, D.C. right now?
Washington, D.C. residents pay an average of 25.4¢ per kWh as of April 2026 — the 42nd cheapest rate of the 51 U.S. jurisdictions we track.