How long to BBQ pork loin roast? Cook for 2.5-3.5 hours at 120°C (250°F) at 150-175°C (300-350°F). Complete temperature guide in °C and °F with step-by-step instructions.
By Bill Ohaire | Published: April 2026 | Last Updated: April 2026
Photo by Alberta Studios on Pexels
BBQ Pork Loin Roast at 150-175°C (300-350°F) for 2.5-3.5 hours at 120°C (250°F). Internal temp: 63°C (145°F). Rest for 15-20 min (tented).
Here is everything you need to know about cooking pork loin roast on the BBQ. We cover direct grilling, indirect heat, and smoking times with temperatures in Celsius (and Fahrenheit) so you get perfect results every time.
| Method | Temperature | Time |
|---|---|---|
| Indirect Heat | 150-175°C (300-350°F) | 1-1.5 hours at 160°C (325°F) |
| Smoking | 107-121°C (225-250°F) | 2.5-3.5 hours at 120°C (250°F) |
Thickness: 1-2kg whole loin | Rest time: 15-20 min (tented)
Use a calibrated digital meat thermometer for accuracy. Insert the probe into the thickest part of the meat, away from bone or fat pockets, which can give false readings.
| Doneness | Internal Temperature |
|---|---|
| Medium | 63°C (145°F) |
| Medium-Well | 68°C (155°F) |
| Well Done | 71°C+ (160°F+) |
Whole muscle cuts of pork are safe at 63°C (145°F) with a 3-minute rest, according to food safety authorities. Use a calibrated meat thermometer in the thickest part, away from bone.
Lean cut that benefits from brining. Score the fat cap. Use a drip pan underneath to catch juices for gravy.
Temperature accuracy matters more than timing. Factors like wind, ambient temperature, grill type, and meat thickness all affect cook times. Always verify doneness with a thermometer rather than relying solely on the clock. — AmazingRibs.com
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Open CalculatorHow long do you BBQ pork loin roast?
Cook pork loin roast for 2.5-3.5 hours at 120°C (250°F) at 150-175°C (300-350°F). Always use a meat thermometer to check the internal temperature reaches 63°C (145°F).
What temperature should pork loin roast be when cooked?
The safe internal temperature for pork loin roast is 63°C (145°F). Use a digital meat thermometer inserted into the thickest part of the meat, away from any bone.
How long should pork loin roast rest after BBQ?
Rest pork loin roast for 15-20 min (tented) after removing from the BBQ. This allows the juices to redistribute throughout the meat, resulting in a juicier, more flavourful result. The internal temperature will continue to rise 2-3°C during this time.
Should I cook pork loin roast on high or low heat?
Cook pork loin roast low and slow at 150-175°C (300-350°F) for tender, pull-apart results.