Why Humid Nights Feel Hotter Than Summer Nights
Why Humid Nights Feel Hotter Than Summer Nights
IN · Published Sep 18, 2025
Humid nights feel hotter because high humidity reduces sweat evaporation, hindering the body's natural cooling process.
The heat index combines air temperature and humidity, often resulting in a higher 'feels like' temperature on humid nights.
High humidity traps heat, preventing significant temperature drops at night and increasing the risk of heat-related illnesses.
Understanding the impact of humidity on perceived temperature
During the summer, many of us anticipate warm days and balmy evenings. However, there's a distinct difference between a regular summer night and a humid one, and the latter often feels significantly hotter. But why is this the case?
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