Culiacan's climate is characterized by mild winters and hot, humid summers. From January to March, temperatures gradually warm up, with average highs in the mid-20s Celsius, while April to June brings increasingly hotter days, often reaching above 35 degrees Celsius. July to September is the hottest period, with little variation in temperature, averaging around 31 degrees Celsius. Autumn months of October and November see a slight decrease in temperatures, before dropping again into the cooler winter months from December to February. Overall, Culiacan's climate is marked by moderate winters and sweltering summers.