I guess I would argue that mountain is worst. Drakes seem to be much more interested in wrecking your base than even squitos. Maybe it just seems that way because they spread fire vs one hit here and there (?). Also wolf howls. And mtn almost never has shore access.

Best ... is that sweet location you love. Its got nothing to do with the biome. Meadow is certainly safer, but once the night spawns ramp up that seems unimportant.