How Long to Smoke Beef Jerky
Smoke thin-sliced beef jerky at 160–180°F (71–82°C) for 4–6 hours, until the meat is dry, dark, and bends without snapping cleanly in half. Before drying begins, heat the sliced meat to 160°F (71°C) internally — either in the smoker itself or with a separate steaming or roasting step — since low smoker temperatures alone cannot reliably kill bacteria the way a proper cooking step does.
Time shifts with slice thickness, how lean the cut is, humidity inside the smoker, airflow, and whether the meat was marinated (wet marinades add moisture that must evaporate before drying can finish). Thicker slices and higher humidity both extend the total time meaningfully.
For food safety, the USDA Food Safety and Inspection Service's jerky guidance is explicit: heat meat to 160°F (71°C) and poultry to 165°F (74°C), measured with a food thermometer, before drying — because most home dehydrators and smokers run too cool to reliably destroy bacteria through drying heat alone. Maintain a drying temperature of at least 130–140°F (54–60°C) throughout the process once that initial heating step is complete.
Timing by Thickness
| Slice Thickness | Smoker Temp | Estimated Time | Timer |
|---|---|---|---|
| ⅛ inch (3 mm) | 160–170°F (71–77°C) | 4–5 hours | |
| ¼ inch (6 mm) | 160–170°F (71–77°C) | 5–6 hours | |
| ⅛ inch (3 mm), higher heat | 175–180°F (79–82°C) | 3–4 hours |
These ranges assume the meat was pre-heated to 160°F before the drying phase began, as USDA guidance recommends. Times can extend well beyond these estimates in humid conditions or with underpowered smokers that struggle to hold a steady low temperature.
Ground Meat Jerky Versus Sliced Whole-Muscle Jerky
| Type | Pre-Heat Requirement | Dry Time |
|---|---|---|
| Sliced whole-muscle beef | Heat to 160°F (71°C) before drying | 4–6 hours |
| Ground and formed (jerky gun style) | Heat to 160°F (71°C) before drying | 4–5 hours (thinner, dries faster) |
Ground meat jerky carries extra risk compared with sliced whole-muscle cuts, since grinding distributes any surface bacteria throughout the meat rather than leaving it on the exterior alone. The 160°F pre-heating step matters just as much, if not more, for ground jerky.
What Changes the Time
Fat content
Lean cuts like eye of round or top round dry faster and more evenly than fattier cuts, since fat does not dehydrate the way lean muscle does and can turn rancid during long-term storage. Trim visible fat thoroughly before slicing for the most predictable drying time and the longest shelf life, since even small pockets of fat left behind can shorten how long the finished jerky stays good.
Marinade and moisture
A wet marinade adds moisture that must evaporate before the meat can properly dry, extending total time by an hour or more compared with a dry rub. Pat marinated slices dry with paper towels before loading the smoker to shave some of that extra time back off, and avoid marinating so long that the surface stays visibly wet going into the smoker.
Smoker airflow and humidity
Good airflow through the smoker carries away moisture as it leaves the meat; a tightly sealed chamber traps humidity and slows drying considerably. Cracking a vent or door slightly, where your smoker allows it, often speeds the process without sacrificing smoke flavor.
Rack spacing and rotation
Slices crowded together or overlapping on the rack dry unevenly, since air cannot reach every surface equally. Leave visible gaps between pieces, and rotate racks from top to bottom partway through if your smoker runs noticeably hotter near the heat source than at the top, so no single batch finishes drastically ahead of the rest.
Comparing to Brisket and Other Long Smokes
Jerky's drying process is a fundamentally different goal from smoking a full beef brisket, which cooks low and slow to break down connective tissue rather than to remove moisture. If time is short and you want a faster smoked beef option instead of a multi-hour dry, grilling a steak takes minutes rather than hours, though it serves a completely different purpose than shelf-stable jerky.
Oven-Dried Jerky as a Comparison
| Method | Temperature | Time |
|---|---|---|
| Smoker | 160–180°F (71–82°C) | 4–6 hours |
| Oven, door propped slightly ajar | 170–180°F (77–82°C) | 3–5 hours |
An oven set low with the door cracked to let moisture escape can dry jerky in a similar timeframe to a smoker, though without the smoke flavor a dedicated smoker provides. Whichever appliance you use, the same USDA pre-heating step to 160°F applies before drying begins — the equipment changes the flavor and airflow, not the underlying food-safety requirement. A standalone dehydrator with an adjustable thermostat falls somewhere in between, typically taking 4–8 hours once the meat has been properly pre-heated.
How to Tell It Is Done
Properly dried jerky bends and cracks slightly at the fold without snapping cleanly in half, and it should not feel moist, tacky, or spongy anywhere along its length. Slices that still feel soft or leathery-wet in the thickest spots need more time; test several pieces from different parts of the smoker, since heat and airflow rarely reach every rack evenly.
Storage and Shelf Life
Properly dried jerky, cooled completely before packaging, keeps for 1–2 months at room temperature in an airtight container, though refrigeration or freezing extends that considerably — up to 6 months refrigerated or about a year frozen. Check periodically for any signs of mold, off odors, or moisture inside the packaging, and discard immediately if any appear, since these signal the drying was incomplete or storage let moisture back in. Vacuum-sealing before freezing further extends shelf life and helps prevent freezer burn on such a low-moisture food.
Common Mistakes
- Skipping the 160°F pre-heating step and relying only on the smoker's low drying temperature to eventually kill bacteria over many hours does not reliably work — most smokers simply never get hot enough during the drying phase itself.
- Slicing meat unevenly in thickness means thinner pieces finish drying well before thicker ones, forcing an uncomfortable choice between pulling some pieces too early or leaving others in far too long.
- Leaving visible fat on the slices shortens shelf life significantly, since fat turns rancid faster than lean muscle does even inside a properly sealed, airtight storage container.
- Packaging jerky before it has fully cooled traps residual warmth and moisture inside the container, creating the exact humid conditions that encourage mold growth during storage.
- Judging doneness by total time alone rather than by bend-and-crack texture ignores real variation between smokers, slice thickness, and humidity that no single fixed number can fully account for.
Quick Answers
Do you need to cook meat before making jerky?
Yes. USDA guidance recommends heating meat to 160°F (71°C) before the drying phase, since most smokers and dehydrators do not reach a high enough temperature during drying alone to reliably destroy bacteria.
What temperature should a smoker be for jerky?
After the initial 160°F heating step, maintain 130–140°F (54–60°C) at minimum throughout drying, or run the whole process at 160–180°F (71–82°C) for a faster total time of 4–6 hours depending on slice thickness.
How do you know when jerky is fully dried?
It should bend and crack slightly at a fold without snapping cleanly, and feel dry rather than moist or tacky throughout. Test multiple pieces from different spots in the smoker, since drying rarely finishes evenly everywhere at once.