what temperature propane blowtorch
Rating Newest Oldest. Best Answer: The maximum adiabatic flame temperature a propane torch can achieve with air is 2268 kelvins (1995 Â°C / 3623 Â°F). The maximum adiabatic flame temperature a butane torch can achieve with air is 2243 kelvin (1970 Â°C / 3578 Â°F). There is more to it than simply the temperature of the flame.