Zacatecas experiences mild winters, with average temperatures ranging from 13-16°C in January and December. Spring brings gradual warming, with temperatures increasing to an average of 19°C by March and April. Summer months are relatively cool, with July and August averaging around 19°C, while daytime highs can reach up to 26-29°C. Autumn is similar to spring, with temperatures gradually cooling down to averages around 17°C in September and October. Winters tend to be the coolest period, with average lows occasionally dropping below 0°C.