San Luis, Philippines experiences a hot and dry climate year-round. The hottest months are March to May, with temperatures often reaching 40°C in the peak month of April, averaging around 29°C. During these months, the temperature gradually increases from March's average high of 28°C, reaching its highest point in April before slowly declining. June is a transitional month, cooling down to an average temperature of 28°C, but still experiencing extreme heat with temperatures reaching up to 38°C. The rest of the year, from July to November and December, sees relatively stable temperatures, ranging from 22-34°C, with slight fluctuations throughout the months.