Cold is cold 55* . I will say 55* and damp you'll feel it, got to keep moving.
I run into the same thing in the winter - no motivation. Summer, sunlight, warmth? I'm out ALL the time when I'm not working. Yardwork. Mountain biking. Motorcycles. Cars. Projects. You name it, I go nonstop 16 hours a day, every day. Winter? Ahhhh, nope. I'll meet deadlines that include other people, but for myself? More often than not, I'll cave in to the chair and TV.I don't know if it ever comes across or if anyone notices but I am not a happy guy in the winter. When I am out of work, it is even worse. I have zero motivation to get up and do anything. The ugly skies and cold temperatures conspire to keep me indoors. Having a job, some type of obligation to meet really kick starts my mojo and gets me going.
I also need to order front end parts for the Charger - debating "do I get just bushings?" or "do I get adjustable control arms and the whole nine.