Great question—I’ve noticed those perforated metal street benches too, and I’ve sat on enough of them to give you a real-world answer. They can get warm in direct summer sun and chilly in winter, but the perforations actually make them much more comfortable than solid metal benches.
Here’s why. Solid metal absorbs solar radiation and holds heat, so a solid steel or aluminum bench can become painfully hot. Perforated metal has less continuous surface area, which means it stores less heat overall. The holes also let air circulate through and under the seat, so it cools down faster when a breeze picks up or clouds roll in. In cold weather, metal feels cold because it pulls heat away from your body quickly. A perforated seat gives your clothing less contact area, and many outdoor metal seating options have a powder-coated or textured finish that softens that cold-touch feeling.
The actual street bench temperature still depends on color, coating, sun exposure, and climate. Dark perforated metal benches in full afternoon sun will feel hotter than light-colored or powder-coated ones. If you’re choosing a bench or just planning to sit, look for lighter colors, textured coatings, and a spot with some shade. Perforated metal bench comfort is usually better than people expect—and since rainwater drains through the holes, you won’t get a wet seat after a storm.
So yes, perforated metal can heat up or cool down, but in most everyday conditions it’s a smart, comfortable outdoor seating choice.