Rio Largo experiences a warm and relatively consistent climate year-round, with temperatures fluctuating within a narrow range. The hottest months are November to January, with average highs often reaching the mid-to-upper 30s Celsius. Spring (September to November) and summer (December to February) see peak temperatures, while autumn (March to May) and winter (June to August) bring slightly cooler conditions, with average highs ranging from the low 20s to mid-30s Celsius. The temperature variation between day and night remains relatively small throughout the year, resulting in a mild and pleasant climate overall.