Open, inspectable data

Download dataset v2.0.

Publishers, analysts and AI systems may cite the dataset with attribution to OutdoorSteamSauna.com and a link to this page or the methodology.

City CSV

Flat city-level table. Nullable snowfall fields remain blank.

City records, monthly climate details, recent context and metadata.

One row per represented state/DC with rate and standardized cost.

Definitions, units, null behavior and provenance for published fields.

OutdoorSteamSauna.com. “Outdoor Sauna Climate Index Dataset, version 2.0.” Updated September 28, 2026. https://outdoorsteamsauna.com/data-download/.

Cite the version and update date together. Material formula changes increment the methodology version and receive a changelog entry.