San Carlos, Uruguay's climate is mild and temperate. Winters are cool but not cold, with temperatures rarely dipping below 0°C, while springs and autumns are characterized by moderate temperatures ranging from 5-30°C. Summers are warm to hot, with temperatures sometimes reaching up to 35°C in November and December. The coolest months are June and July, averaging around 12°C, while the warmest periods occur in January and February, averaging around 22°C. Overall, the temperature range is relatively narrow throughout the year, with minimal extremes.