Sion Weather in June

Sion in June averages 17°C (63°F) during the day and 6°C (43°F) at night. This is the wettest month of the year, and part of the summer season.

Rainfall in Sion in June

The heaviest rainfall of the year happens this month, with frequent showers. A poncho is your best bet to stay dry. Typically, about 18 days will experience rainfall, with an average of 167 mm (6.6 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Sion in June

Daytime highs in Sion in June reach 17°C (63°F), with nights around 6°C (43°F). June is part of summer. Conditions are often most pleasant around the middle of the day. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Sion in June

Expect a lot of sunshine this month, with about 255 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Sion in June

Wind speeds average 2 m/s (4 knots) during June. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

For Sion itself, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.