In order to study under the background of climate warming, 10℃ temperature variation characteristics, analyze Western Guanzhong in Shaanxi Province from 1961 to 2010, the average temperature stability by 10℃ at the beginning of the day, all day long, interval number and its change characteristics of accumulated temperature. The results showed that: Baoji Shaanxi, the average temperature of 10℃ or more significant early trend in the early days, all showed a trend of fluctuations delay. Early all day long interval between days increased significantly. During the acuity 10℃ accumulated temperature of 56.568℃.d/10 a significantly increased. Accumulated decadal fluctuations increased, frequently alternating cold and warm.