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Thispaper focuses on climate comfort degreeevaluated fromrelationshipsbetweenspatial characteristicsand behaviorsof awinter city.It is demonstrated that the influences ofclimatic factorsonhumancomfortare remarkably differentfor different spatial characteristicsand functions of the sites.An evaluationmethodof climatic comfortis propsed, inwhich attaining comfort is an adaptation process,andthe dynamic changesin the processareaccording to the user’s subjective tendency to the variations of the spatial characteristicsandfunctionsof the space.The evaluation criteria are based onbothphysical and psychologicalhierarchy needs ofa person, whichincludethe spatial form for microclimatic conditions as well as the spatial social-economic characteristics ofasite.To improve the local environment ofawintercity by planning measurements,theHarbin Central Pedestrian Streetis takenas an examplein the application ofthe evaluation method,and different planning optimizing strategies are proposed accordingly.The resultsshow thatthe pattern ofclimatecomfort is characterized byreflecting the social-economic value and individual behavior characteristics.