myhandleistrain said "I'm sure you already know this but if not, it seems you need way more briquets than you do in the summer. Also, cooking times are longer. This is in a regular type briquets grill. I'd be curious to know how those green "Eggs" cook in the cold. "
charcoal smokers work well in the cold, not as well if it is windy also. Take a bit longer to get up to temp.