Weather will likely play an important role when you plan your trip to Hualtaco, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and June, with an average temperature of 23°C, while the coldest months are October and November, with an average of 22°C. The rainiest months in Hualtaco are March, February, April and January, with each month seeing an average of 190 mm of rainfall.