what is average summer temperature in blacksburg, VA
n/a. The highest average temperature in Blacksburg is August at 72.6 degrees. The coldest average temperature in Blacksburg is February at 35.8 degrees. The most monthly precipitation in Blacksburg occurs in January with 0 inches.The Blacksburg weather information is based on the average of the previous 3-7 years of data.he Blacksburg, VA air quality index is 39.1% less than the Virginia average and 29.6% less than the national average. The Blacksburg, VA pollution index is the sum of the most hazardous air pollutants displayed in pounds.