In Cachoeira do Sul, Brazil, the winter months of May and June are cool, with average temperatures around 14°C, while July is even chillier, averaging a low of 1°C. Spring arrives in September, bringing mild temperatures, but it's still quite chilly, especially at night, with averages ranging from 9-17°C. Autumn in the region is warm, with October and November experiencing pleasant temperatures, reaching highs around 33°C. Summer months of January to March and December are hot, with temperature fluctuations between 15-39°C, while April brings a slight drop in temperature before the onset of winter.