Weather will likely play an important role when you plan your trip to Hernandarias, 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 26°C, while the coldest months are July and June, with an average of 18°C. The rainiest months in Hernandarias are October, May, December and January, with each month seeing an average of 205 mm of rainfall.