Reference annual cost
$311
$26 average per month · 1,045 kWh/year
ArcticSoak Score 70/100
Modeled planning range$161–$539
Peak monthAugust
Electricity input29.8¢/kWh
Vs. indexed-city median62% 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 | 542 kWh | $13/mo | $161/yr |
| Reference consumer setup | 1,045 kWh | $26/mo | $311/yr |
| Lightly insulated / exposed | 1,811 kWh | $45/mo | $539/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 | $286/year |
| 50°F | $311/year |
| 45°F | $340/year |
| 39°F | $378/year |
Data provenance
- Climate
- NOAA 1991–2020 U.S. Climate Normals
- Station
- SAN JOSE, CA US (USC00047821)
- 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 | 43–59°F | 72 kWh | $21 |
| February | 45–63°F | 68 kWh | $20 |
| March | 48–66°F | 80 kWh | $24 |
| April | 50–70°F | 82 kWh | $24 |
| May | 53–75°F | 92 kWh | $27 |
| June | 57–80°F | 98 kWh | $29 |
| July | 59–82°F | 106 kWh | $31 |
| August | 60–83°F | 107 kWh | $32 |
| September | 58–81°F | 101 kWh | $30 |
| October | 54–75°F | 92 kWh | $27 |
| November | 47–65°F | 76 kWh | $23 |
| December | 43–59°F | 72 kWh | $21 |
Cite this page
ArcticSoak. “Cold Plunge Cost in San Jose, CA.” Model 2.0.0, dataset 2026-10-26. Accessed [date]. https://arcticsoak.com/cities/san-jose-ca/
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