Nova Odessa's climate is characterized by mild winters and hot, humid summers. The winter months of June and July are the coolest, with temperatures ranging from just above freezing to a high of around 30 degrees Celsius. As the seasons shift into autumn, temperatures gradually rise, peaking in September with highs often reaching over 37 degrees Celsius. Spring is also warm, with temperatures fluctuating between 13 and 33 degrees Celsius throughout March to May. During the summer months of December to February, temperatures remain relatively stable around 25-26 degrees Celsius on average.