Totonicapan's climate is characterized by mild winters and warm summers, with temperatures gradually increasing as the year progresses. The coolest months are November and December, where temperatures rarely drop below freezing, averaging around 18°C. Spring arrives in March, with temperatures slowly rising to average highs of 20°C. Summer months from June to September see relatively stable temperatures, ranging from 7-34°C, with July being the coolest summer month. Autumn brings a slight decrease in temperature, but still averages around 19°C throughout October and November.