I can't wait for the 60 degree weather - I'd be casting about 3 weeks a year! However, it is so nice to just jump out and drop a few boolits for fun times sake.
I like casting in the summer, but I sweat my ass off doing it. I gotta keep a towel with me to dry the sweat. I worry about dripping in the pot. Fall and early spring gets more activity than summer mostly because it is more comfortable.