San Rafael, Philippines has a relatively consistent warm climate year-round. Temperatures remain high during the summer months of January to May, with averages ranging from 28-31°C. The hottest month is usually March and April, with temperatures often reaching up to 40°C. In contrast, June is the coolest month, but still quite warm, with temperatures ranging from 16-38°C. The rest of the year sees relatively stable temperatures, ranging from 23-36°C, with no distinct cooler period.