Winters in Venissieux are cold, with January and February temperatures averaging around 3-8°C, often dipping below freezing. Spring arrives slowly, with March and April temperatures gradually warming up to average highs of 10-13°C. Summer is warm, with June to August temperatures frequently reaching above 25°C, although July can be slightly cooler than August. Autumn is mild, with September and October temperatures averaging around 12-19°C, before cooling down again in November and December.