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 Patnongon: The hottest months are usually April and March, with an average temperature of 28°C, while the coldest months are February and January, with an average of 27°C. The rainiest months in Patnongon are July, August, September and June, with each month seeing an average of 529 mm of rainfall.