Originally Posted by Unabomber
Yes, that temperature is unsafe. Anything under 60 degrees turns summer tires into shopping cart wheels.
I'm surprised to hear this. Just the last few mornings it has been 40 degrees and I noticed no significant difference in the car's handling. Granted, I'm not racing, but I really felt the tires were as grippy as usual...certainly seemed to do a great job on the streets and highways.