How Long to Smoke Leg of Lamb

Smoked leg of lamb is an underrated BBQ showstopper — earthy, herbaceous, and deeply flavorful. Plan for about 30–40 minutes per pound at 225–250°F, pulling at 130°F internal for a 135°F finish (medium-rare) after rest. Score the fat cap to let the rub penetrate and render properly. Fresh herbs like rosemary and garlic are traditional for a reason — they work beautifully with smoke.

Leg of Lamb Smoking Times and Temperatures

Method	Smoker Temp	Time
Low & Slow	225–250°F	~30–40 min/lb to 135°F internal
Standard	275°F	~33 min/lb
Hot & Fast	300–325°F	~24 min/lb

Pull leg of lamb off the smoker at an internal temperature of 135°F (medium-rare), then rest for 30 min.

Leg of Lamb Smoke Time by Weight

Weight	Estimated Smoke Time
5 lbs	6.5–7.5 hrs
6 lbs	7.5–9 hrs
8 lbs	10–12 hrs
9 lbs	11.5–13.5 hrs

Estimates use the recommended Low & Slow Pulled Lamb at 225°F method. Every smoker and every cut runs a little different — treat these as planning numbers and always cook to internal temperature, not the clock.

When to Wrap Leg of Lamb

Wrapping is the biggest timing lever on a leg of lamb cook. The recommended Low & Slow Pulled Lamb method uses foil at 165°F internal, but each method below takes a different approach:

Reverse-Sear (237°F): No wrap. Naked the entire cook — maximum bark and the deepest smoke flavor. Expect a slightly longer cook than wrapped methods.
Low & Slow Pulled Lamb (225°F): Foil at 165°F internal. Foil pushes through the stall fastest and locks in the most moisture. Bark softens slightly.
Greek-Style Whole Roast 325°F (325°F): No wrap. Naked the entire cook — maximum bark and the deepest smoke flavor. Expect a slightly longer cook than wrapped methods.

Pitmaster Tips for Leg of Lamb

Score the fat cap in a crosshatch pattern before seasoning — helps the rub penetrate and the fat render.
Stud the meat with garlic cloves pushed into small incisions before rubbing with herbs.
Use rosemary, garlic, lemon zest, salt, and olive oil as a wet rub — classic combination.
Smoke at 225–250°F, targeting 135°F for medium-rare. Lamb dries out fast if overcooked.
A bone-in leg cooks slower than boneless — account for extra 30–60 minutes.

Leg of Lamb FAQ

How long does it take to smoke leg of lamb?

At 225–250°F, plan on ~30–40 min/lb to 135°F internal — most cooks land around 4–6 hrs. Always cook to internal temperature (135°F (medium-rare)), not to time alone.

What temperature should I smoke leg of lamb at?

225–250°F is the recommended low-and-slow range for leg of lamb. Pull it off the smoker when the internal temperature reaches 135°F (medium-rare). In a hurry, 300–325°F also works — expect ~24 min/lb.

Should I wrap leg of lamb, and how long should it rest?

Yes — wrap in foil once the internal temperature hits 165°F to push through the stall and lock in moisture. After the cook, rest for about 30 min before slicing.

Plan your cook with the free meat smoking time calculator