Reference annual cost
$217
$18 average per month · 1,443 kWh/year
ArcticSoak Score 47/100
Modeled planning range$108–$414
Peak monthJuly
Electricity input15.0¢/kWh
Vs. indexed-city median13% above
Scenario range
One city, three plausible setups
These are sensitivity scenarios—not a confidence interval. The reference setup is the ranking standard.
| Setup | Annual energy | Monthly average | Annual cost |
|---|---|---|---|
| Efficient insulated | 719 kWh | $9/mo | $108/yr |
| Reference consumer setup | 1,443 kWh | $18/mo | $217/yr |
| Lightly insulated / exposed | 2,749 kWh | $34/mo | $414/yr |
What colder targets change
Lower settings increase positive temperature degree-hours and chiller runtime. The same reference configuration is held constant.
| Target | Reference cost |
|---|---|
| 55°F | $201/year |
| 50°F | $217/year |
| 45°F | $235/year |
| 39°F | $256/year |
Data provenance
- Climate
- NOAA 1991–2020 U.S. Climate Normals
- Station
- PHOENIX SKY HARBOR INTL AP, AZ US (USW00023183)
- Electricity
- U.S. EIA residential average retail price, 2026-08; state-level input
- Model
- ArcticSoak 2.0.0; generated 2026-10-26T18:40:35+00:00
Reference scenario
Monthly climate and cost profile
Daily low/high normals become positive cooling degree-hours; provisional pages use approximate profiles until NOAA retrieval succeeds.
| Month | Normal low–high | Energy | Cost |
|---|---|---|---|
| January | 46–68°F | 80 kWh | $12 |
| February | 49–71°F | 76 kWh | $11 |
| March | 54–78°F | 96 kWh | $15 |
| April | 61–86°F | 108 kWh | $16 |
| May | 70–94°F | 135 kWh | $20 |
| June | 79–104°F | 158 kWh | $24 |
| July | 84–106°F | 176 kWh | $26 |
| August | 84–105°F | 172 kWh | $26 |
| September | 78–100°F | 150 kWh | $23 |
| October | 66–89°F | 122 kWh | $18 |
| November | 54–76°F | 91 kWh | $14 |
| December | 45–66°F | 79 kWh | $12 |
Cite this page
ArcticSoak. “Cold Plunge Cost in Phoenix, AZ.” Model 2.0.0, dataset 2026-10-26. Accessed [date]. https://arcticsoak.com/cities/phoenix-az/
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