I'd MUCH rather have the snow than black flies. This morning was quite nice out. Mid-20's and absolutely no wind. Our snow mostly melted away on 12/26 ... just a few drift hold-outs.
Around here - maybe because we have the horses - we get way too many deer flies, generic deer fly-like biting flies (they are as big as deer flies, but no spotted wing), smaller house-fly-sized biting flies (they follow the horses mostly) and an accasional monsterous horse fly. We'll rarely get bit, except for the smaller flies - they love to bite at exposed legs when near the barn, but when those bigger ones bite ... OUCH!!
Luckily I've never been bitten by a horse fly. I would think that would hurt like the devil. Poor horses.
Ken