Juliaca, Peru's climate is characterized by mild winters and cool summers. The coldest months are June, July, and August, with temperatures ranging from -7°C to 18°C on average, while the warmest months are October, November, and December, with temperatures averaging around 12°C. Spring (March to May) is quite chilly, with temperatures often below freezing, while autumn (September to November) is mild, with temperatures gradually warming up. Winters (June to August) can be quite cold, especially in July, with temperatures dropping as low as -9°C. The summer months of October and November are pleasant, with temperatures averaging around 12°C.