Cost to Run a Humidifier in South Dakota
South Dakota's average residential electricity rate is 15.4¢/kWh as of July 2026 — the 19th cheapest in the country, 16% below the U.S. average. At typical usage (10 hours/day), a humidifier here costs $1.87 per month.
Per hour
0.6¢
at 20–300 W
Per day
6.2¢
10 hours/day
Per month
$1.87
12 kWh
Per year
$22.48
146 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 3.1¢ | $0.94 | $11.24 |
| Typical (10 hrs/day) | 6.2¢ | $1.87 | $22.48 |
| Heavy (20 hrs/day) | $0.12 | $3.75 | $44.97 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in South Dakota?
At South Dakota's current average residential rate of 15.4¢/kWh (July 2026), a humidifier with typical usage costs about 6.2¢ per day, $1.87 per month, or $22.48 per year.
Is running a humidifier in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 16% below the U.S. average: $1.87 per month here versus $2.23 nationally.
What does electricity cost in South Dakota right now?
South Dakota residents pay an average of 15.4¢ per kWh as of July 2026 — the 19th cheapest rate of the 51 U.S. jurisdictions we track.