How much does a hot tub cost per month in Arizona?

About $32.04 a month, assuming 2,500 kWh a year at 15.38¢/kWh.

How many kilowatt-hours does a hot tub use?

Roughly 2,500 kWh a year under these assumptions.

Is that expensive compared with other states?

Arizona has the 19th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $458 a year.

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Cost to run a hot tub in Arizona (July 2026 rates)

At 15.38¢ per kilowatt-hour — Arizona's average residential price in July 2026 — running a hot tub costs $385 a year. That is 16% less than the national average of $458.

Per day: $1.05
Per month: $32.04
Per year: $385

Assumption: 2,500 kWh a year. A well-insulated 400-gallon tub held at 100 F year-round in a moderate climate. A poorly insulated tub in a cold climate can double this. Use the calculator to swap in the numbers from your own model.

How Arizona compares

Arizona pays 15.38¢/kWh, the 19th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $73.25 less a year than the typical U.S. household pays for the same use. Running the same hot tub costs $318 a year in Louisiana and $1,200 in Hawaii, so where you live changes this bill by $882 a year.

State	Rate	Per month	Per year
Kansas	15.27¢	$31.81	$382
South Dakota	15.37¢	$32.02	$384
Arizona	15.38¢	$32.04	$385
South Carolina	15.47¢	$32.23	$387
West Virginia	15.78¢	$32.88	$394

States ranked by average residential price, cheapest first. See all 51 states for a hot tub.

What else costs about the same in Arizona

Central air conditioner$362 a year in AZ Heat pump$332 a year in AZ Pool pump$266 a year in AZ

Cutting the number down

A good cover is the whole ballgame. Most of the energy replaces heat lost from the surface, not heat delivered to people.
Holding temperature usually beats cooling down and reheating, because reheating a large mass of water is expensive.
A waterlogged cover has lost its insulation value and quietly doubles the standing loss.

Questions

How much does a hot tub cost per month in Arizona?: About $32.04 a month, assuming 2,500 kWh a year at 15.38¢/kWh.
How many kilowatt-hours does a hot tub use?: Roughly 2,500 kWh a year under these assumptions.
Is that expensive compared with other states?: Arizona has the 19th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $458 a year.