That's an excellent and practical question! From my experience observing and using them in various city settings, dome-lid public waste bins generally offer pretty good wind resistance, but it's not absolute. Their performance hinges on a few key factors.
The dome-shaped lid itself is the first line of defense. Unlike a flat lid, the curved, aerodynamic design helps wind flow over it rather than catching it like a sail, which significantly reduces the chance of the lid being ripped open or off. This keeps litter contained during gusts.
However, the bin's overall stability depends heavily on its base and installation. A bin that is properly anchored or bolted to a concrete foundation will fare much better than a freestanding unit. The weight of the bin, especially when full, also adds crucial ballast. In very strong, storm-force winds, any unsecured outdoor furniture—including bins—can potentially be toppled or displaced.
Manufacturers often test these products for wind resistance. Many standard models are rated to withstand winds of a certain speed, say up to 80-100 km/h, when installed correctly and not overfilled. For consistently windy coastal or high-rise areas, specifying heavy-duty, anchored models is advisable.
So, while their smart design makes them more resilient than open or flat-lid bins, their ultimate wind resistance is a combination of that dome shape, secure installation, and responsible use—making sure the lid can close properly. They're a reliable choice for most urban weather, but not indestructible in extreme conditions.