text: **Climate**
  
  Lyon has a humid subtropical climate (Köppen:*Cfa*), bordering an oceanic climate 
  (*Köppen*:*Cfb*, Trewartha:*Do*).[38] The mean temperature in Lyon in the coldest month 
  is 4.1 °C (39.4 °F) in January and in the warmest month in July is 22.6 °C (72.7 °F). 
  Precipitation is adequate year-round, at an average of 820 mm (32.3 in), the winter 
  months are the driest. The highest recorded temperature was 40.5 °C (104.9 °F) on 13 
  August 2003 while the lowest recorded temperature was −24.6 °C (−12.3 °F) on 22 
  December 1938.[39] 