Bolivar, Missouri, gets 46 inches of rain per year. The US average is 39. Snowfall is 13 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 72. On average, there are 214 sunny days per year in Bolivar, Missouri. The July high is around 89 degrees. The January low is 22. Sperling's comfort index for Bolivar is a 46 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.