Weather will likely play an important role when you plan your trip to Catamarca, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and December, with an average temperature of 22°C, while the coldest months are July and June, with an average of 12°C. The rainiest months in Catamarca are January, February, December and November, with each month seeing an average of 185 mm of rainfall.