Ceara-Mirim's climate is characterized by mild winters and hot, humid summers. The coolest months are May and July, with average temperatures ranging from 14°C to 31°C, while the warmest months are February and November, with averages between 27°C and 32°C. Spring (September to October) and autumn (March to April) are relatively pleasant, with temperatures hovering around 25-28°C. The summer months of December, January, and February are hot and humid, with little variation in temperature throughout the day. Summer gradually transitions into autumn in March, bringing a slight decrease in humidity and temperature.