San Pablo, Costa Rica has a mild climate year-round with temperatures varying slightly across the seasons. Daytime temperatures in winter months (December to February) reach up to 30°C, while nighttime lows dip around 17°C. As spring arrives in March and April, temperatures gradually increase, but remain relatively consistent throughout the rest of the year. Summer-like conditions occur during May and June, with temperatures peaking at 31°C. Autumn brings a slight drop in temperature, with highs ranging from 29-30°C, while winter temperatures return to their cooler range by December.