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 Ceningan Island: The hottest months are usually November and October, with an average temperature of 27°C, while the coldest months are August and September, with an average of 25°C. The rainiest months in Ceningan Island are December, January, February and March, with each month seeing an average of 384 mm of rainfall.