Lake–Urban Breezes Circulations (LUBCs) are crucial for local climate regulation. To understand the characteristics of LUBCs under the 2035 planning scenario of Xiong’an New Area, China, planning land use were input into the WRF–UCM model to simulate some typical LUBCs processes between the urban and Baiyangdian Lake. Then, the occurrence time, influence range, vertical height, etc., of LUBCs were studied by means of different height layers, key point and profile line analysis methods. The results show that the near–surface temperature difference between urban and lake can reach 5.0 °C in the summer afternoon, and can extend to a height of 500 m. The lake breezes in the Baiyangdian Lake generally occurs from 12:00 to 18:00, and shifts to the urban breezes from 02:00 to 06:00 in the early morning. The urban breezes in the urban appears earlier than that in the lake. When the lake breezes occurs, air flows from Baiyangdian to and through the northern urban area (39.02 °N) at low–level, and the air flow rises to 800–1500 m in the urban area, then flows back from north to south to the lake area to supplement the low–level air, forming a three–dimensional circulation. Based on the research results, strategies for building climate–resilient cities by utilizing LUBCs were proposed, including restoring Baiyangdian Lake, forming a ventilation corridors system, rationally arranging urban functional zones, optimizing the spatial form of blocks, and strengthening the ventilation design of buildings.