Geneva experiences temperate climate. This is due to the location of the city at a high altitude and the lake on which it is situated. The summers in Geneva are pleasantly warm with often hot weather in the city. The months of July and August in summers are the hottest months in the city. The average maximum temperature in summers remains around 21 °C (71 °F).
Winters in Geneva are mild with chilly winds. The temperature remains almost very near to the freezing point. Ice storms occur in winters very often. The months of December and January observe chilliest climate. Autumn in the months of September and October are supposed to be the best time to visit Geneva.