Hello Lab, Went to see the Polar Bears this October- fab holiday ! Saw bears 3 times, although those people who went on the helicopter saw some from the air. The Tundra Buggy drivers know roughly where the bears will be so you should see some.The Tundra is a vast area so they dont guarantee a viewing. The November holiday trip was cancelled through lack of numbers so I think October would be your best bet for this year. It snowed every day that we were in Churchill, and it did become quite cold, but this type of weather means that the bears congregate by the shores of Hudson Bay,waiting for the sea to freeze. Book it soon and enjoy the experience. Barbara.