I ski on PEI and Newfoundland mostly, and sometimes Maine, believe me, it gets cold here. It gets down t0 -35 celsius with windchill. You pretty much have to have every millimetre of your skin covered. I layer my gloves, with close fitting fleece ones underneath and my regular ones on top, however, this somewhat compromises freedom of movement. I still recommend a good pair of mittens for east Coast chill.