Outdoor seating areas, such as those in cafes, parks, and public squares, can subtly influence local dew formation patterns by altering surface temperatures, airflow, and humidity levels. When artificial structures like benches, tables, or pavements are introduced, they absorb and release heat differently than natural vegetation, creating microclimatic variations.

Dew forms when surfaces cool overnight, causing moisture in the air to condense. Outdoor seating materials—concrete, metal, or wood—often retain heat longer than grass or soil, delaying cooling and reducing dew accumulation. Conversely, shaded seating areas may cool faster, promoting earlier dew formation. Additionally, human activity around seating disrupts airflow, potentially dispersing moisture unevenly.

Urban environments with dense outdoor seating may experience reduced overall dew due to the "heat island" effect, where built-up areas stay warmer. However, isolated seating near vegetation can create localized dew hotspots. Understanding these dynamics helps urban planners design spaces that balance comfort with natural moisture cycles.