Winters in Saint-Cloud are chilly and unpredictable, with temperatures often dropping below freezing but occasionally rising into the mid-teens. The coldest months, January and February, average around 4 and 6 degrees Celsius respectively, while December is similarly mild. Spring arrives slowly, with March and April temperatures gradually warming up to average highs of 7 and 8 degrees Celsius. Summer is a pleasant time, with June, July, and August averaging around 18-19 degrees Celsius, although the mercury can occasionally soar into the high twenties or thirties. Autumn brings a return to cooler conditions, with October and November temperatures dropping back down to average highs of 11 and 6 degrees Celsius respectively.