Weather is probably a major factor when you plan your trip to Los Planes, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and February with an average temp of 80°F, while the coldest months are January and February with an average of 78°F. The rainiest months in Los Planes are October, November, August, and July, with each month seeing an average of 29 inches of rainfall.