Hunting into the wind carries your scent away from your line of travel, and gusty wind can help conceal both noise and movement. But the bottom line is still-hunting is worth trying anytime other tactics aren't working. I also like the fact that I now get to see what's on the other side of the ridge. The right clothing is essential for successful still-hunting. Garments must be quiet, soft, and flexible, and should not reflect light.
Full camouflage can also help, where legal and where hunter densities are low.
Wool is the traditional choice of still-hunters. The sole must also be soft, flexible, and as thin as conditions allow, which makes it easier to feel noisy debris underfoot. Uninsulated rubber pac boots with cleated or chain tread soles are ideal. Felt-lined versions can be used in cold climates. Do not overdress, and make sure your clothing is loose fitting.