The RBS Six Nations champions open their autumn campaign with a clash against the Pumas as they attempt to try and secure a top-four world ranking before December's 2015 World Cup draw.
While Wales have not played since June, Argentina will arrive in Cardiff on the back of home and away meetings with New Zealand, Australia and South Africa.
"Argentina are fresh from a baptism of fire in the Rugby Championship," Jones said.
"They will be battle-hardened and coming to Wales looking for victory, so we will have to be ready for them.
"We will definitely need to be on our guard. When you come up against these teams you have to front-up and show where you are at as a player.
"Argentina are only going to benefit from being in the Rugby Championship and playing against the best sides in the world.
"They've had a bit of a dent in their pack of late with the retirement of some key forwards, but they showed in patches in the Rugby Championship what they can achieve, and obviously playing consistently in that competition is only going to benefit them as a team."
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