The most pleasant months of the year for Blanco are May, September and October. In Blanco, there are 2 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Blanco with an average high temperature of 91.4°, which ranks it as warmer than most places in New Mexico. January is the snowiest month in Blanco with 3.9 inches of snow, and 5 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.