In October, the weather in San Martin De Los Andes is typically cold. Average daily high temperature in October is about 8 degrees above zero. On average, San Martin De Los Andes has 12 rainy, 8 partly cloudy, 7 sunny, and 4 cloudy days in October. The rains are usually moderate. October as well as May, June, July, and August is considered the most uncomfortable time to visit San Martin De Los Andes.