Great question! It really depends on the materials and design of the bench. In my experience, many modern street benches are actually designed with textured surfaces—like a subtle wood grain, raised dots, or grooved patterns—to provide grip even when wet. These textures help channel water away and increase friction, so you’re less likely to slide off after a rain shower.
On the flip side, if a bench is made of smooth, polished metal (like some modern stainless steel or aluminum ones) or a glossy painted wood that’s been worn smooth over time, it can get quite slippery when wet. I’ve sat down on a few of those and instantly regretted it—especially if there’s a slight slope.
Another common material is coated steel with a powder finish, which often has a subtle texture built in. Concrete benches with a rough finish or wood with a brushed surface also tend to offer decent grip, even with moisture. Some parks even use perforated or slatted designs that let rainwater drain through, preventing puddles from forming on the seat.
Bottom line: if you’re concerned about slipping, look for benches with obvious texture—like visible grain, grooves, or a matte finish. Avoid shiny, smooth surfaces. And if you’re ever unsure, just brush your hand over the seat first; you’ll usually feel the difference right away.