Weather is probably a major factor when you plan your trip to Santa Rosa del Aguaray, 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 19°C. The rainiest months in Santa Rosa del Aguaray are October, November, December and January, with each month seeing an average of 193 mm of rainfall.