Rafael Calzada's climate is characterized by mild winters and hot summers. The coldest months are May, June, and July, with temperatures ranging from just below freezing to a high of around 25°C in July. Spring, from September to November, brings moderate temperatures, often between 15-20°C, while autumn sees a slight drop in temperature before the warm summer returns. Summers are sweltering, especially in December and January, when highs can reach over 40°C, while winters are relatively mild with temperatures above freezing throughout. Overall, the region experiences a subtropical climate with moderate seasonal variation.