Macon has a humid subtropical climate (Köppen climate classification Cfa). The normal monthly mean temperature ranges from 46.3 °F (7.9 °C) in January to 81.8 °F (27.7 °C) in July. On average, there are 4.8 days with 100 °F (38 °C Winter's are mild. Temps ranging from 30 degrees to 50 degrees. Spring is mild but wet. Temps ranging from 50 degrees to low 70 degrees. Summers are hot and very humid. Temp ranging from upper 80 degrees to 100 degrees. Fall is pleasant. Temps ranging from 60 to 80 degrees.
Ocmulgee National Monument Fees - $0.00
Admission is FREE. Except for special events sponsored by the Ocmulgee National Monument Association no fees are charged to enter and visit Ocmulgee National Monument.During the special events of the Ocmulgee Indian Celebration (third weekend in September) event fee is $6.00 for 13 &up, 6-12 $3.00, 5 &under are free and active military with I.D. $3.00. The spring Lantern light Tours (March) an event fee of $5.00 is charged for anyone 13 years and older.