The average temperature in Sidney the average temperature is 32.72 degrees in summer, with precipitation around 12.0 mm , Cologne's temperatures reach 33.16 during the hot season, with 12.0 average of rain rate . In winter, however, weather indicators show around -4.42 degrees in Cologne, compared to the -17.67 average degrees reported in Sidney. During the winter period, Sidney can register 12.0 mm precipitation, while Cologne have an average of 3.0 mm rain level.