Cajabamba is a town in Northern Peru and is the capital of the province of Cajabamba, in the region of Cajamarca. Cajabamba has a subtropica…Cajabamba is a town in Northern Peru and is the capital of the province of Cajabamba, in the region of Cajamarca. Cajabamba has a subtropical highland climate with consistently mild temperatures. Cajabamba has a dry season from June to August.