Working int he snow does warm you up -- I shovelled loads today and wad down to Tshirt & jeans
This is brilliant especially if you can encourage everyone else in the household to join in. Once everyone is thoroughly warm rush indoors and turn the heating down!! You'll all feel baking hot!
Think of the reduced heating costs and the reduction in CO2 emissions.
How hot / cold we feel is all realtive as humans are lousy at judging the real temperature.