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Heat Index Calculator

Calculate the apparent (feels-like) temperature considering heat and humidity. Essential for Australian summer safety planning.

Enter Conditions
Air Temperature
°C
Relative Humidity
%
Result
Feels Like (Heat Index)
MetricValue

Heat Safety in Australia

Australia regularly experiences extreme heat events. The record Australian air temperature is 50.7°C (Oodnadatta, SA, 1960). Heatwaves cause more deaths in Australia than any other natural disaster.

Heat Stress Levels

Feels like (°C)Risk level
27–32°CCaution — fatigue possible with prolonged exposure
32–41°CExtreme caution — heat cramps and exhaustion possible
41–54°CDanger — heat cramps/exhaustion likely, heat stroke possible
>54°CExtreme danger — heat stroke highly likely