Kerala has entered a spell of elevated summer temperatures, with authorities issuing a statewide heat warning as daytime readings climb across multiple districts. The advisory comes as the India Meteorological Department projects maximum temperatures between 34°C and 37°C across the peninsular region, intensifying heat stress in urban and semi-urban centres.
Data from monitoring stations on Tuesday showed Palakkad registering the state’s highest daytime temperature at 36°C. Vellanikkara and Kozhikode followed closely at 35.8°C, while Punalur, Kannur Airport, Kochi airport and Kottayam hovered around the 35°C mark. Punalur reported the lowest minimum temperature at 21.5°C, though night-time relief remains limited in coastal belts.The Kerala State Disaster Management Authority has advised residents to avoid prolonged outdoor exposure during peak afternoon hours and urged local administrations to prepare response measures. Officials say rising humidity levels are compounding discomfort and health risks. Thiruvananthapuram recorded relative humidity of 84%, while Punalur and Kannur reported 72%, significantly raising the heat index — a measure of how hot conditions feel when humidity is factored in.
Urban planners warn that high humidity combined with dense built environments can intensify the urban heat island effect. Cities with limited tree cover and high concrete concentration often experience slower night-time cooling, placing stress on vulnerable populations including elderly residents, outdoor workers and children.Public health experts note that heat advisories are becoming more frequent across southern India. They emphasise the importance of hydration, shaded public spaces and staggered work hours to reduce exposure. For rapidly growing cities such as Kochi and Thiruvananthapuram, climate-resilient planning — including cool roofing, increased canopy cover and water-sensitive urban design — is increasingly central to infrastructure discussions.
Electricity demand typically rises during such periods as households and commercial establishments increase cooling use. Energy analysts suggest that sustained temperature spikes could test grid resilience if peak loads coincide with high humidity days.While the current forecast does not indicate extreme heatwave thresholds, authorities are monitoring conditions closely. With summer patterns shifting and coastal humidity amplifying discomfort levels, Kerala’s heat management strategies are becoming as crucial to urban resilience as flood preparedness once was during the monsoon months.
Kerala Heat Warning As Temperatures Rise

