Hello.
Can you mention how long have you been having this pain ? And when you leg, do you mean the area between the knee and the ankle (medical definition).
There could be a number of causes like neuropathic pain or problems with blood supply in the cold weather. Do you get discoloration of the toes ?
Regards
Ok, so I have a stinging and itching pain on my back, not my legs. And this happens to me when it's VERY hot, or stressed out. I get it lots of times everyday! Many people says it's because of your nerves. But I never heard of stinging pain when it's cold. Maybe it's the nerves just like my problem! Hope this helps.