By using the hourly and daily average temperature, daily maximum temperature, and the daily minimum temperature in 64 regional automatic meteorological stations in Ji′nan City from 2012 to 2014, we analyzed the diurnal variation and spatial distribution characteristics of urban heat island intensity in Ji′nan City.Results showed that the diurnal variation of the urban heat island intensity was weaker in the day and stronger in the night.Spatial distribution of urban heat island center showed little differences in different seasons in Ji′nan City, which was mainly distributed in Quancheng square and its surrounding downtown zones.%利用2012—2014年济南市64个区域自动气象站的逐日逐时平均气温、逐日最高气温和最低气温资料，分析了济南市城市热岛强度的日变化和空间分布特征。结果表明，济南市城市热岛强度日变化表现为白天弱、夜间强的特点。不同季节济南市城市热岛中心空间分布上差别不大，主要是位于泉城广场等中心城区。
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