Edit in JSFiddle

<div id="container" class="highcharts-container" style="height:375px; margin: 0 2em; clear:both; width: 450px"></div>

jQuery.noConflict();

var chart;

chart = new Highcharts.Chart({
   chart: {
      renderTo: 'container',
      defaultSeriesType: 'line',
      marginRight: 130,
      marginBottom: 25
   },
   title: {
      text: 'Monthly Average Temperature',
      x: -20 //center
   },
   subtitle: {
      text: 'Source: WorldClimate.com',
      x: -20
   },
   xAxis: {
      categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 
         'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
   },
   yAxis: {
      title: {
         text: 'Temperature (°C)'
      },
      plotLines: [{
         value: 0,
         width: 1,
         color: '#808080'
      }]
   },
   tooltip: {
      formatter: function() {
                return '<b>'+ this.series.name +'</b><br/>'+
            this.x +': '+ this.y +'°C';
      }
   },
   legend: {
      layout: 'vertical',
      align: 'right',
      verticalAlign: 'top',
      x: -10,
      y: 100,
      borderWidth: 0
   },
   series: [{
      name: 'Tokyo',
      data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
   }, {
      name: 'New York',
      data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5]
   }, {
      name: 'Berlin',
      data: [-0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0]
   }, {
      name: 'London',
      data: [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
   }]
});