Reference annual cost
$198
$16 average per month · 1,243 kWh/year
ArcticSoak Score 59/100
Modeled planning range$100–$360
Peak monthAugust
Electricity input15.9¢/kWh
Vs. indexed-city median3% 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 | 631 kWh | $8/mo | $100/yr |
| Reference consumer setup | 1,243 kWh | $16/mo | $198/yr |
| Lightly insulated / exposed | 2,264 kWh | $30/mo | $360/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 | $182/year |
| 50°F | $198/year |
| 45°F | $214/year |
| 39°F | $235/year |
Data provenance
- Climate
- NOAA 1991–2020 U.S. Climate Normals
- Station
- SAN ANTONIO INCARNATE WORD, TX US (USC00417947)
- 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 | 40–63°F | 75 kWh | $12 |
| February | 44–68°F | 72 kWh | $11 |
| March | 51–74°F | 89 kWh | $14 |
| April | 57–80°F | 98 kWh | $16 |
| May | 66–86°F | 117 kWh | $19 |
| June | 72–92°F | 128 kWh | $20 |
| July | 74–94°F | 139 kWh | $22 |
| August | 74–95°F | 141 kWh | $22 |
| September | 69–90°F | 122 kWh | $19 |
| October | 59–82°F | 105 kWh | $17 |
| November | 49–71°F | 82 kWh | $13 |
| December | 41–64°F | 76 kWh | $12 |
Cite this page
ArcticSoak. “Cold Plunge Cost in San Antonio, TX.” Model 2.0.0, dataset 2026-10-26. Accessed [date]. https://arcticsoak.com/cities/san-antonio-tx/
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