Sao Bento do Una's climate is characterized by mild temperatures year-round, with warm summers and mild winters. The summer months of September to November are the hottest, with average highs ranging from 32°C to 36°C, while the winter months of June and July are slightly cooler, with average highs around 24°C. Spring (March to May) and autumn (August to October) see temperatures moderate, with averages in the mid-20s to low 30s Celsius. The temperature range is relatively narrow throughout the year, indicating a stable climate.