It's very cold. How is it that urine always leaks out?

According to your description, you should have a urinary tract infection. The typical symptoms of urinary tract infection are frequent urination, dysuria and urgency. There is also a relaxation of urethral sphincter, which can't hold back if there is urine, and it is easy to overflow urine.

Guiding opinions:

It is suggested to go to a regular hospital for routine urine examination, make clear the cause and carry out treatment.