Understanding how hot it really feels outside
What is a Heat Index Calculator?
Ever walked outside on a summer day and thought, "This feels way hotter than the thermometer says"? You're not imagining it. That's where the heat index comes in. A heat index calculator measures how hot it actually feels when humidity mixes with air temperature. Your body cools itself by sweating - when sweat evaporates from your skin, you feel cooler. But here's the catch: high humidity slows down evaporation. When the air already holds a lot of moisture, your sweat just sits there, making you feel hotter than the actual temperature. Our heat index calculator takes your local temperature and humidity levels and gives you the "feels like" temperature. This number tells you what your body actually experiences. For example, if it's 32°C (90°F) with 70% humidity, your body feels like it's 41°C (106°F). That's a big difference, and it matters for your health and safety.
High Heat Index Conditions
When temperature and humidity combine, outdoor activities require extra precaution. The heat index tells you what your body actually experiences, not just what the thermometer reads.
