San Fernando, Philippines experiences a warm and humid climate year-round. The summer months of March bring temperatures ranging from 25-30°C, with an average high of 28°C, while May is slightly cooler with highs averaging around 25°C. In contrast, the winter months like December are mild with temperatures fluctuating between 21-25°C, averaging a relatively cool 22°C. Overall, the temperature remains relatively consistent throughout the year, with minimal seasonal variation. The warmest period is during March and April, while the coolest period is in December and January.