Climate of the prefecture is complex and varied for the complicated geography and landform. The northwestern tableland area has a continental plateau climate with long and chilly winter and cool humid summer. The annual average temperature is 0.8-4.3C (33 -40F). The Aba weather of the southeastern alpine valleys ranges from the temperate to the frigid climatic types with annual average temperature of 1-5C (34-41F).
Some people say that paradise is distributed everywhere in Aba. The fact is that different sceneries here show their best in different seasons although visitors can visit this wonderland at any time. For instance, the best time to Huanglong is from April to November, to Jiuzhaigou is from September to October and to the Four Maiden's Mountain is in July and August.