✔ 最佳答案
London:
Daily Minimum = 13.7 (highest over a whole year)
Daily Maximum 22.3 (highest over a whole year)
As a result, July should be the hottest month in London.
http://worldweather.wmo.int/010/c00032.htm
Paris:
Daily Minimum = 15.5 (highest over a whole year)
Daily Maximum = 24.4 (second highest over a whole year)
As a result, July should also be a very hot month in Paris
http://worldweather.wmo.int/062/c00194.htm
參考: World Meteorological Organisation