Have you tried the Wet bulb layer with provides heat / humidity data with direct effect on health ?
When the wet-bulb temp is close to the body, the weather conditions may be hard and dangerous.
https://www.weather.gov/tsa/wbgt
https://www.theguardian.com/science/2022/jul/31/why-you-need-to-worry-about-the-wet-bulb-temperature