Weather will likely play an important role when you plan your trip to La Mana, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually November and October with an average temp of 75°F, while the coldest months are August and July with an average of 74°F. The rainiest months in La Mana are March, January, February, and April, with each month seeing an average of 37 inches of rainfall.