Cheap flights to Sion

Sion enjoys a pleasant climate from late spring to early autumn, making it ideal for a visit. The temperatures are mild and sunny, perfect for exploring the city's many attractions and enjoying outdoor activities. You'll find that the months from May to October are the most comfortable for travelling to Sion.

Low Season in Sion

During the low season, from November to April, you can experience Sion's charm at a calmer pace. One highlight is visiting the Tourbillon Castle ruins, with temperatures averaging between 16°F (-9°C) and 30°F (-1°C) during this season.

High Season in Sion

The high season in Sion, between July and August, offers warm and sunny weather, ideal for exploring the Valère Castle complex. During this season, temperatures range from 46°F (8°C) to 63°F (17°C), perfect for enjoying the city's beautiful outdoor spaces.

Sion, nestled in the Swiss canton of Valais, offers a captivating blend of history, culture, and stunning natural landscapes. The city boasts remarkable hilltop castles, ancient churches, and charming medieval streets. Prepare to immerse yourself in the rich heritage of this historic Swiss city.

The best attractions to see in Sion

Here are some of Sion's most captivating attractions:

• Valère Basilica: Explore this historic basilica with its impressive organ and stunning architecture.
• Tourbillon Castle: Discover the ruins of this medieval castle perched atop a hill, offering panoramic views of the city and its surrounding valley.
• Sion Cathedral: Admire the architecture and historical significance of the city's impressive cathedral.
• Witches' Tower: Visit this intriguing conical tower, a remnant of the city's fascinating past.
• Valais Art Museum: Explore the rich artistic heritage of the Valais region within this museum, housed in two medieval towers.