If you're hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Pom Pom Island: The hottest months are usually April and May, with an average temperature of 28°C, while the coldest months are February and January, with an average of 27°C. The snowiest months in Pom Pom Island are May, April, January and February, with each month seeing an average of 64 cm of snowfall.