When to Take Your RMD: January, December or Monthly?

The IRS tells you how much you must withdraw each year, but not when. Any time between January 1 and December 31 works, and that freedom is worth using. The right timing can cover your taxes without quarterly payments, keep your charitable giving tax-free and give your money a few more months to grow. Here are the deadlines first, then the trade-offs.

RMD Deadline: December 31, and the April 1 Exception

Every RMD is due by December 31 of the year it's for, with one exception: your very first RMD — for the year you reach your RMD age, 73 or 75 — can wait until April 1 of the following year (IRS: RMD FAQs).

That exception comes with a catch. If you take the first RMD in the spring of the next year, you still owe that year's RMD by December 31. Two RMDs in one tax year can push you into a higher bracket, make more of your Social Security taxable and lift your Medicare premiums two years later. Check your own first year on the RMD age calculator.

Other deadline rules worth knowing:

• Still working? Your current employer's 401(k) can usually wait until April 1 after the year you retire, unless you own 5% or more of the company. IRAs never get this delay.
• Inherited IRAs have their own schedule, often annual RMDs plus a 10-year deadline.
• Missed one? The excise tax is 25%, cut to 10% if fixed promptly and often waived — see the missed RMD penalty calculator.

How big is the RMD, and how fast does it grow?

Your RMD is last year's December 31 balance divided by a factor from the IRS Uniform Lifetime Table. The factor shrinks every year, so the share you must take out rises even if the balance doesn't (IRS Publication 590-B).

A $500,000 IRA at 73 means an RMD of roughly $18,900. If your spouse is more than 10 years younger and your sole beneficiary, a different table gives a smaller RMD. Timing doesn't change the amount — the balance date is fixed — but it changes how long the money stays invested and when the tax is paid.

January, December or monthly?

Each timing choice has a real advantage. Which one wins depends on whether you live on the money, how you pay your taxes and whether you give to charity.

For people who live on their RMD, monthly payments are the natural choice. For people who don't need the money, late in the year is usually better: the account stays invested longer, and you know your full-year income before deciding how much tax to withhold.

The withholding trick that replaces estimated payments

Here's the most useful RMD timing fact most retirees never hear: tax withheld from an RMD is treated as if it were paid evenly throughout the year, even if it's withheld in December (IRS Publication 505). Estimated tax payments don't work that way — they count only from the date you make them.

So instead of sending four quarterly payments, you can take your RMD in December and have enough withheld to cover the year's entire federal tax on all your income. The IRS counts it as on time for every quarter. You can choose any withholding percentage on Form W-4R, from zero up to the whole distribution.

This also fixes mistakes. If you discover in November that you've underpaid, raising withholding on a December RMD can erase an underpayment penalty that an estimated payment would only reduce.

It works for state tax too in most states that tax IRA withdrawals: ask the custodian to withhold state tax as well, and check your state's rules on how withholding is credited.

Give first: the QCD ordering rule

If you're 70½ or older and give to charity, make your qualified charitable distribution before any other IRA withdrawal in the year. The first dollars that come out of an IRA each year count toward your RMD, so a QCD made early satisfies the RMD tax-free; one made after you've already taken the full RMD as income does nothing for the RMD (IRS: QCDs). Size the gift on the QCD calculator.

A sensible order for the year:

1. Make any QCD early in the year.
2. Take monthly withdrawals if you need the income.
3. In November, take the remaining RMD with withholding set to cover the year's tax.

What to do with an RMD you don't need

An RMD has to leave the IRA, but it doesn't have to be spent. Many retirees who don't need the income simply move it, invested, into a regular brokerage account at the same firm.

Other good homes for it: paying the year's taxes, funding a 529 plan for grandchildren, or — if you or your spouse still have earned income — a Roth IRA contribution of up to the annual limit. If you give to charity, the better move is to send that part as a QCD before it's ever withdrawn. What you can't do is roll it back into an IRA or convert it to a Roth.

Practical December tips

Custodians get busy in December, and many set their own cutoff dates a week or two before year-end. Request a year-end RMD by early December, confirm the amount against the prior December 31 balance and your factor from the IRS Uniform Lifetime Table (24.6 at age 75, for example), and keep the confirmation. Some custodians will set up an automatic December RMD with withholding so you never have to remember.

Our take

For most retirees who don't need the money right away, a late-year RMD with generous withholding is the cleanest setup: the money grows longer, you know your full-year income, and one withdrawal covers the year's taxes on time. Take it monthly if you live on it, and always put a QCD first if you give. Start with the exact amount on the RMD calculator.

Wondering what that RMD does to your Medicare premiums? See how to avoid IRMAA.