Trader consensus clusters around 31–32°C for Guangzhou’s July 6 maximum, reflecting ensemble model guidance and monsoon-driven conditions that favor modest afternoon heating. Persistent East Asian summer monsoon flow is delivering high boundary-layer moisture and scattered thunderstorms, which increase cloud cover and trigger evaporative cooling that caps daytime peaks near or slightly below the early-July climatological average of 32–33°C. Urban heat-island effects in the Pearl River Delta provide a slight upward bias, while model spread on convective timing and coverage explains the tight distribution across 30–33°C bins. Short-range updates from the China Meteorological Administration and ECMWF are expected before resolution and will likely narrow uncertainty if steering patterns or rainfall timing shift.