Trelew, Argentina experiences a temperate climate with distinct seasonal patterns. Winters are mild and cool, with temperatures ranging from -6°C to 22°C in June and July, making it the coolest period of the year. Spring and autumn are pleasant, with moderate temperatures, while summers are warm to hot, often reaching highs above 30°C. The temperature fluctuations are quite significant throughout the year, with an average annual range of around 20°C, indicating a relatively moderate climate overall.