The average annual rainfall is 47.31 inches with the yearly percentage of sunshine hours being 62%.

The elevation of Orangeburg is 245 ft. above mean sea level. The average date of the first killing frost is mid-November while the average date of the last killing spring frost is mid-March.

Agronomic crops may be planted as early as March 1 and harvested as late as the end of November. Spring crops are usually planted in mid-November and harvested from mid-April to May 1.