Calapan's climate is characterized by relatively stable temperatures year-round, with minimal variations between seasons. Temperatures range from 24°C to 29°C throughout the year, with an average of around 26-27°C in most months. The warmest month is March, while June and September are slightly cooler, with averages dipping to 25-26°C. December temperatures also peak at around 28°C on average, similar to other months. Overall, Calapan's climate is tropical, with little seasonal fluctuation in temperature.