> very hot - about 35.5C or so, when you cannot dissipate heat with sweating. 30C is just uncomfortable but totally fine. That's not only subjective but also

> very hot - about 35.5C or so, when you cannot dissipate heat with sweating. 30C is just uncomfortable but totally fine. That's not only subjective but also depends on humidity. 34º with high humidity can feel far hotter than 38º in dry weather.