CD rates in December 2024 can have interest rates up to 5.37%.The average rate on a 3-month CD is currently at 1.31%, while that on a 6-month CD is 1.85% for an investment of up to 5.25%.For a 1-year CD investment, the highest percentage rate is 5.37%, offering a good deal for depositors.The percentage rates are predicted to fall due to interest rate lowering by the Federal Reserve.It is considered wise to shop around for the highest percentage rates on a 3-year CD that can be as high as 4.65%.Jumbo CD rates for the 6-month term are currently at 5.37% with an average APY of 1.90%.Traditional, brick-and-mortar banks tend to offer lower CD rates in comparison to online banks.The Federal Deposit Insurance Corp. provides coverage up to $250,000 in case of a financial institution failure.CDs are known to offer relatively higher interest than other savings vehicles, and they are considered safe investments.Early withdrawal penalties can be strict, with the potential for a loss of principal if not adhered to.