Sion Weather in March

March in Sion typically sees daytime highs of 4°C (39°F) and nighttime lows of -7°C (19°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Sion in March

Historically, the month has about 16 days of snow/rain, averaging 113 mm (4.4 in) in total. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Sion in March

March in Sion sees highs of 4°C (39°F) and lows of -7°C (19°F) overnight. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. Nights are well below freezing at -7°C (19°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. The month is chilly, so ensure you're equipped and dress warmly. Preparation becomes key in these temperatures.

Sunshine in Sion in March

With approximately 190 hours of sunshine, the days are filled with clear skies. Despite it being a cool month, it makes for pleasant days outside.

Wind Speed in Sion in March

Wind speeds average 2 m/s (4 knots) during March. 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.

If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Sion. Our weather planner can help you explore destinations with more pleasant weather conditions.