TL; DR: Multiple possible reasons, from nonfunctional other receptors to increased rigidity of body parts. Even words hurt more when they are cold. read more
That’s a good question. Although I can’t explain why, us humans tend to associate feelings with temperatures. The warmth of summer can compare to a warm embrace of a friend. read more
You may feel more tired during winter than other seasons because of longer nights. The body naturally wants to sleep more when it is dark out, so with You may feel more tired during winter than other seasons because of longer nights. read more