How Long to Smoke a Pork Butt at 225°F

At 225°F, plan on roughly 1.5 to 2 hours per pound of pork butt. A typical 8-pound (3.6 kg) bone-in pork butt takes about 12 to 16 hours to reach the 200–205°F internal temperature where the meat turns pull-apart tender. Time is a guide — the internal temperature and probe tenderness tell you when it's actually done.

How long does a pork butt take at 225°F?

Use weight as your starting estimate, but expect wide swings depending on your cooker, the weather, and how big the stall gets. Here's a realistic planning table for 225°F:

• 4 lb (1.8 kg): 6–8 hours
• 6 lb (2.7 kg): 9–12 hours
• 8 lb (3.6 kg): 12–16 hours
• 10 lb (4.5 kg): 15–20 hours

Notice how loose those windows are. That's not sloppy math — it's honest. Two identical butts on the same smoker can finish 2 hours apart. Always start early and build in a buffer. Which brings us to the single most important habit for low-and-slow pork.

Cook to temperature, not to the clock. Finish early? Wrap the butt in foil and towels, drop it in a cooler, and it will hold hot and safe for 2 to 4 hours.

What internal temperature means a pork butt is done?

Pork is technically safe to eat at 145°F, but a pork butt (also called Boston butt or pork shoulder) is packed with collagen and connective tissue. That fat and collagen only break down into rich, juicy, shreddable meat when you push the internal temperature to 200–205°F and hold it there for a while.

Don't rely on temperature alone at the finish. When you slide a probe or skewer into the thickest part, it should glide in "like room-temperature butter" with almost no resistance. If it still feels tight, give it another 30–45 minutes even if the thermometer already reads 200°F.

What is the stall, and why does my pork butt stop climbing?

Somewhere around 150–170°F internal, your pork butt's temperature will seem to freeze for hours. This is the stall, and it's normal. As moisture evaporates off the surface, it cools the meat — a kind of natural sweating that fights your heat input. It can last anywhere from 1 to 4 hours.

You have two choices:

• Ride it out for maximum bark (the dark, crusty exterior). Just be patient — this is where most people panic and crank the heat, which dries the meat out.
• Wrap it (the "Texas crutch") in foil or butcher paper once you hit the stall. Wrapping traps moisture, blows through the stall, and can shave 1 to 3 hours off your cook. The tradeoff is slightly softer bark.

How do I hold a charcoal grill at 225°F for that long?

This is the real challenge. A 12-plus-hour cook means your fire has to stay steady while you sleep, eat, and enjoy the day. Master the manual craft first:

• Control airflow, not fuel. On a charcoal grill, your vents are your throttle. Set the top vent about a quarter open and make small adjustments with the bottom intake vent. More air = hotter fire.
• Use the Minion or snake method. Instead of lighting all your charcoal at once, arrange unlit coals and drop a small amount of lit coals at one end. The fire spreads slowly, giving you hours of steady burn.
• Add a water pan. A pan of water acts as a thermal buffer, smoothing out temperature swings and keeping the cooking environment humid.
• Make small moves and wait. Vent changes take 10–15 minutes to show up on the thermometer. Nudge, then be patient.

Even done well, a charcoal cooker drifts. Wind, ambient temperature, and fuel burn-down all pull your pit off target — which is why overnight briskets and pork butts traditionally mean setting a 3 a.m. alarm to check the fire.

Can I smoke a pork butt overnight without babysitting the fire?

Yes — this is exactly where an automatic temperature controller changes the game. A device like the BBQube TempMaster Pro uses a variable-speed fan and a pit probe to feed your charcoal fire precisely the air it needs to hold your target temperature. You set 225°F, and it adjusts airflow automatically for hours, so you can sleep through the night instead of getting up to fiddle with vents.

The TempMaster Pro fits close-lid charcoal grills and smokers — Weber Kettle, Weber Smokey Mountain, Big Green Egg, Kamado Joe, and Akorn Kamado — via grill-specific adapters, and monitors your pit and meat temps from your phone. Learn the vent-control basics above so you understand what's happening, then let the controller handle the tedious part. It's the difference between a stressful all-nighter and waking up to a butt that's cruising through the stall right on target.

What temperature is best — 225°F or higher?

225°F is the classic low-and-slow number: it gives collagen the most time to break down and builds a deep smoke ring and bark. If you're short on time, you can run a pork butt at 250–275°F and still get excellent results in fewer hours — the higher heat just moves faster with slightly less margin for error. For your first few cooks, 225°F is the most forgiving.

For a deeper dive on smoking science and doneness, ThermoWorks and AmazingRibs.com (amazingribs.com) are both solid, well-regarded references, and USDA food-safety guidance covers safe minimum temps.

Frequently asked questions