Reference annual cost
$292
$24 average per month · 959 kWh/year
ArcticSoak Score 77/100
Modeled planning range$153–$494
Peak monthJuly
Electricity input30.5¢/kWh
Vs. indexed-city median53% 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 | 501 kWh | $13/mo | $153/yr |
| Reference consumer setup | 959 kWh | $24/mo | $292/yr |
| Lightly insulated / exposed | 1,622 kWh | $41/mo | $494/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 | $277/year |
| 50°F | $292/year |
| 45°F | $311/year |
| 39°F | $337/year |
Data provenance
- Climate
- NOAA 1991–2020 U.S. Climate Normals
- Station
- BOSTON LOGAN INTL AP, MA US (USW00014739)
- 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 | 23–37°F | 67 kWh | $20 |
| February | 25–39°F | 60 kWh | $18 |
| March | 31–46°F | 67 kWh | $20 |
| April | 41–56°F | 68 kWh | $21 |
| May | 50–66°F | 82 kWh | $25 |
| June | 60–76°F | 96 kWh | $29 |
| July | 66–82°F | 112 kWh | $34 |
| August | 65–80°F | 109 kWh | $33 |
| September | 58–73°F | 92 kWh | $28 |
| October | 48–62°F | 76 kWh | $23 |
| November | 38–52°F | 65 kWh | $20 |
| December | 29–42°F | 67 kWh | $20 |
Cite this page
ArcticSoak. “Cold Plunge Cost in Boston, MA.” Model 2.0.0, dataset 2026-10-26. Accessed [date]. https://arcticsoak.com/cities/boston-ma/
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