February in Isulan is the windiest and the sunniest month of the year. In February, the weather in Isulan is typically hot. Average daily high temperature in February is about 29 degrees above zero. On average, Isulan has 23 rainy, 4 cloudy, and 2 sunny days in February. The rains are usually heavy. February as well as January, March, April, and May is considered the most uncomfortable time to visit Isulan.