The changes of nine meteorological indicators on temperature,precipitation,evaporation and relative humidity from 1960 to 2014 in Hulun Lake basin were analyzed at the scales of year and season.The results show that:(1)annual temperature significantly increased but evaporation and relative humidity decreased significantly,the variation of annual precipitation was insignificant,these results indicated that the climate in this area became warmer and drier;(2)the variation of temperature,evaporation and relative humidity in spring,summer and autumn are similar to their interannual variations,the maximum rate of mean temperature rise occurred in spring with 0.43℃/decade,however,variations of the three meteorological elements were not significant in winter;(3)the mean precipitation and extreme precipitation increased significantly in both winter and spring,but in summer the precipitation decreased,especially the long-time extreme precipitation which decreased significantly;(4)summer climate in this area became much drier because of significant increase in temperature and decrease in relative humidity.The increasing extreme precipitation in winter would cause snow disaster in this area.