I've been a big fan of the Ninja Ice gloves. Pretty good dexterity, and water resistant coating. Cheap too, a pair will normally last me the winter.
http://www.amazon.com/gp/aw/d/B00487656E/ref=mp_s_a_1_2?qid=1420377976&sr=8-2&dpPl=1&dpID=414B339ndfL&ref=plSrch&pi=AC_SY200_QL40