Humidity, a measure of the amount of water vapour in the air, plays a crucial role in shaping our weather, influencing rainfall, and affecting how we feel day to day. While often overshadowed by ...

Some hot days feel even worse thanks to high humidity, trapped heat and dew points. Cities are especially vulnerable. By Nazaneen Ghaffar Nazaneen Ghaffar is a reporter on The Times’s weather team. It ...