The average temperature in Moline, IL the average temperature is 33.61 degrees in summer, with precipitation around 12.0 mm , Batman's temperatures reach 41.9 during the hot season, with 0.5 average of rain rate . In winter, however, weather indicators show around -7.03 degrees in Batman, compared to the -20.34 average degrees reported in Moline, IL. During the winter period, Moline, IL can register 3.0 mm precipitation, while Batman have an average of 3.0 mm rain level.