Tunuyan's climate is characterized by a distinct seasonal pattern. Winter, from May to July, is the coolest period with temperatures often below freezing, especially in June when they can drop as low as -7°C. Spring, from August to October, brings moderate temperatures, warming up to averages around 19°C by October. Summer, from November to March, is warm and sunny, with average highs consistently above 23°C, peaking at 39°C in January. Autumn, from April to May, sees a gradual cooling down of temperatures, but still retains some warmth before the winter chill sets in.