Capital City Bank (CCBG) 10-K 2015 FY Annual report

Exhibit 32.2

Certification of CFO Pursuant to 18 U.S.C. Section 1350,

as Adopted Pursuant to Section 906

of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned certifies that (1) this Annual Report of Capital City Bank Group, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2015, as filed with the Securities and Exchange Commission on the date hereof (this “Report”), fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934, as amended, and (2) the information contained in this Report fairly presents, in all material respects, the financial condition of the Company and its results of operations as of and for the periods covered therein.

/s/ J. Kimbrough Davis

J. Kimbrough Davis

Executive Vice President and

Chief Financial Officer

Date: March 8, 2016

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