Average January temperatures in Bridgeport are a maximum of and a minimum of . Average July temperatures are a maximum of and a minimum of . There are an average of 5.6 days with highs of or higher and 13.1 days where the high does not top freezing. With the high altitude, nights are extremely cold, with an average of 255.7 mornings with lows of or lower and 19.2 mornings with lows under . The record high temperature of was on July 28, 1944. The record low temperature of occurred on January 31, 1916.