The average temperature in Siem Reap the average temperature is 37.79 degrees in summer, with precipitation around 6.0 mm , Guilin's temperatures reach 36.67 during the hot season, with 6.0 average of rain rate . In winter, however, weather indicators show around -0.67 degrees in Guilin, compared to the 18.35 average degrees reported in Siem Reap. During the winter period, Siem Reap can register 3.0 mm precipitation, while Guilin have an average of 6.0 mm rain level.