The Wallabies will face opponents as unpredictable as themselves when they tackle France in this weekend's tour-ending Test in Paris.

Fresh from a grinding 15-9 win over Argentina in Montpellier, the French could turn on a completely different style of rugby at Stade de France, a factor the Australians are aware of.

"With them you never know exactly what you're going to get," Wallabies skipper Rocky Elsom said.

"You've got to prepare on your own for your own game.

"The most important thing when you play the French team is that you're doing what you need to do really well because they could throw anything at you.

"A lot of sides have come undone trying to predict what's going to come at you."

Renowned for their flamboyant backs and take-no-prisoners scrummaging, Les Bleus are the current Six Nations champions, although they are ranked No.5 in the world behind England.

Australia have won their last four Tests against the French, including an 18-13 victory in Paris in 2008.

But that win was Australia's first in France (excluding 2007 World Cup games) since 2000 and conditions could be close to freezing at 8.45pm local time on Saturday night (0645 Sunday AEDT) when the game kicks off.

Some forecasts predict snow for the capital this week, while top temperatures do not look like getting beyond six degrees Celsius.

"Both sides are capable of playing positive rugby and both sides will want to have a fair crack at that I imagine," Wallabies coach Robbie Deans said.

"They're notorious for their potential to play in a way that no other side can."

French rugby has struck a chord with Wallabies playmaker Quade Cooper, whose own off-the-cuff style is defining Australia's new approach.

The 22-year-old has little experience playing against it, though, with one brief appearance against France off the bench in Paris in 2008.

"They can do things that most teams can't because they try things and that's their biggest attribute, they're not afraid to try things," he said.

"They run it from anywhere, they do all sorts of passes and offloads and they're so hard to contain.

"You sit there going, 'Why's he doing that or what's he going to do that for?' And then they just pop something out of the bag and you just go, 'Oh well, obviously it paid off'.

"It's a weird style that they play, it's very unorthodox but at the same time it's exciting.

"It will be a lot different being out on the paddock with them."

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