The best time to visit Dijon is May to June or September to October, when the weather is pleasant, the vineyards are either in flower or turning gold, and visitor numbers are lower than midsummer.
Spring (April–June): Temperatures rise to 15–20 °C by May and the Côte d'Or vineyards are vivid green. Crowds are modest, accommodation prices are reasonable, and outdoor café terraces open from April. The Foire Internationale de Dijon (international food and wine fair) takes place in early November, but spring markets are also excellent.
Summer (July–August): Warm to hot (25–30 °C), busy with French domestic tourists, and accommodation books up fast. The city is lively, restaurants are at their best, and cycling the vineyards is spectacular — but book well ahead.
Harvest Season (mid-September to mid-October): Arguably the most dramatic time to visit. The Côte d'Or turns amber and red, and the grape harvest (vendange) is underway. Many domaines open their cellars, and the Les Trois Glorieuses wine auction weekend in Beaune (third weekend of November) is a major regional event worth timing a trip around.
Winter (November–February): Dijon is quiet and cold (2–6 °C), but the Christmas market on Place François-Rude is charming and the restaurants are uncrowded. Fewer wine estates accept visitors without appointments.