Sergio Perez is confident he can turn in a strong race day performance in the German Grand Prix, even if he believes the searing temperatures at the Hockenheimring will make qualifying relatively difficult.

With track temperatures rising to almost 60 degrees as Germany bathes in a heatwave spreading across Europe this weekend, Perez endured an indifferent day in the Sahara Force India, the Mexican ending FP2 with the 13th best lap time.

Indeed, though times were certainly close in the mid-field with just seven tenths covering sixth down to 15th, Perez admits the high temperatures are making it difficult to get the most from the supersoft tyres over an out-lap and a flying lap.

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With high temperatures predicted for Saturday too, Perez admits it could be a tough qualifying session for him. Despite this, he also believes the heat will play to his advantage in the race - where the Force India has often been stronger - as it may prompt strategy to come into play.

"I think we don't have too much more to come," he said. "We just need the perfect lap but to get it with these temperatures on the tyres, it is not easy to do the perfect lap. It will be a difficult day for us tomorrow but I am optimistic for Sunday

"I think we will have a very interesting race with the stops and strategy, so I hope it makes an exciting race for the fans."