The average temperature in Fayetteville, AR the average temperature is 35.42 degrees in summer, with precipitation around 12.0 mm , Glasgow's temperatures reach 23.23 during the hot season, with 3.0 average of rain rate . In winter, however, weather indicators show around -4.14 degrees in Glasgow, compared to the -6.72 average degrees reported in Fayetteville, AR. During the winter period, Fayetteville, AR can register 3.0 mm precipitation, while Glasgow have an average of 3.0 mm rain level.