San Juan Opico, El Salvador experiences a dry and warm climate year-round, with temperatures consistently above average. The hottest months are April and May, with temperatures often reaching 39°C, while the coolest months are January and December, with lows around 14°C. Summer months (June to August) see stable temperatures ranging from 17-35°C, with minimal variation. Autumn and spring seasons have slightly cooler mornings, but still warm afternoons, with slight dips in temperature during winter months. Overall, San Juan Opico's climate is characterized by little seasonal fluctuation, with temperatures remaining relatively consistent throughout the year.