What unit is Skin Temperature measured in?

Skin Temperature is measured in °C delta.

HC Webhook

Health Metric

What is Skin Temperature?

Measured in: °C delta

Skin temperature changes relative to your baseline, usually recorded overnight by a compatible wearable.

Definition

What it measures

Skin temperature changes relative to your baseline, usually recorded overnight by a compatible wearable.

Unit: °C delta

Why Track It

Why it matters

Skin temperature deltas can reflect recovery, illness, or cycle-related changes. Forward them to your own dashboards and automations.

Automations

What you can do with Skin Temperature data.

HC Webhook sends skin temperature readings to any webhook — here are ideas to get you started.

Overnight Trend Log

Append nightly skin temperature deltas to a spreadsheet to spot gradual changes over weeks.

Wellness Dashboard

Chart skin temperature alongside sleep, HRV, and resting heart rate in Grafana.

Cycle Tracking Input

Feed skin temperature deltas into a personal cycle-tracking workflow or database you control.

Recovery Monitoring

Compare skin temperature deltas with training load and sleep to watch for early signs of illness or overtraining.

Data Format

What the JSON looks like.

HC Webhook posts a JSON object containing a skin_temperature array to your endpoint on every sync.

{
  "timestamp": "2026-04-15T07:00:00Z",
  "skin_temperature": [
    {
      "time": "2026-04-15T06:30:00Z",
      "delta_celsius": -0.3,
      "baseline_celsius": 33.5,
      "measurement_location": 3
    }
  ]
}

How to Export

Get Skin Temperature out of Health Connect

Google Health Connect stores your skin temperature data from compatible apps (Samsung Health, Fitbit, Garmin, and more). HC Webhook reads that data on a schedule you set and forwards it as JSON to any URL you add — n8n, Home Assistant, Zapier, or your own API.

01
Install HC Webhook and grant Health Connect permission for Skin Temperature.
02
Paste your webhook URL — Home Assistant, n8n, Zapier, or any endpoint.
03
Set your sync schedule. Skin Temperature readings arrive automatically, every time.