Guiuan, Philippines experiences a relatively consistent temperature throughout the year, with average temperatures ranging from 24°C to 29°C. The warmest months are March and June, with temperatures averaging around 29°C, while April is slightly cooler at an average of 24°C. During the remaining months, temperatures hover between 25°C and 28°C, indicating a mild climate year-round. There isn't a distinct winter season in Guiuan, as temperatures remain relatively high even in December, the coolest month on record. Overall, the temperature variation is minimal, with an average annual temperature of around 26-27°C.