Senamhi warns Lima heat index to hit 38°C in summer 2027 due to El Niño

Peru's meteorological agency Senamhi projects that Lima will experience a heat index of 38°C during the summer of 2027, driven by El Niño conditions. The forecast also includes increased rainfall and river flow, with elevated precipitation risk in Chaclacayo and Chosica during Q1 2027. This is a long-range climate outlook, with uncertainty inherent in seasonal predictions.