It really depends on the piece and what it’s made of. In a typical urban setting—sidewalks, plazas, campuses, transit stops—outdoor furniture is a mix of lightweight movable items and heavy, semi-permanent pieces. A standard outdoor café chair is often around 5–15 kg (11–33 lb), and a small café table might be 10–25 kg (22–55 lb). Those are usually manageable for one person to lift or drag a short distance, especially if the chair has a handle-friendly back or the table has a weighted base that can be tilted and rolled. Picnic-style tables and lighter metal benches often land around 25–50 kg (55–110 lb), which is where one-person movement starts to get awkward: a strong person can shift one across a patio, but it’s not something I’d call easy or safe for repeated lifting.
For more typical municipal park benches, I’d expect roughly 40–90 kg (88–198 lb) for wood-and-steel or aluminum designs. Some benches are designed to be movable and may have lifting points or wheels; those can be repositioned by one person for short distances if the ground is flat. But many urban benches are deliberately heavy, anchored, or bolted down. Concrete, stone, and heavy steel benches can easily be 100–300 kg (220–660 lb), and large planters can be even heavier once filled with soil. Those are definitely not one-person jobs—you need two people, a cart, or lifting equipment, and you should never drag them across delicate paving.
So the short answer is: yes, one person can move some urban outdoor furniture easily—small chairs, side tables, and lightweight movable benches—but typical benches, large tables, concrete seats, and planters are usually too heavy or too awkward for one person to move safely. If you’re planning to rearrange a public space, check first whether the piece is fixed or anchored, and use proper lifting technique or ask for help.