Sion Weather in April

Sion in April averages 7°C (45°F) during the day and -3°C (27°F) at night. Keep in mind that quite a bit of snow/rainfall is expected this month.

Rainfall in Sion in April

Historically, the month has about 18 days of snow/rain, averaging 121 mm (4.8 in) in total. 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 April

April in Sion sees highs of 7°C (45°F) and lows of -3°C (27°F) overnight. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With overnight lows of -3°C (27°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

Sunshine in Sion in April

The month enjoys around 211 hours of sunshine, creating mostly sunny days despite the cool temperatures.

Wind Speed in Sion in April

April sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Sion's climate page.

Sion Temperature in April

Min Temperature -3°C (27°F)  

Max Temperature 7°C (45°F)  

Chance of Rain 59%  

Precipitation 121 mm (4.8 in)  

Rainy days 18 days  

Humidity 59%  

Windspeed 2 m/s (4 knots)  

Sunshine 211 hours  

Percentage Sunshine 59%  

What to Wear in Sion in April

We recommend to layer up for chilly conditions in Sion in April. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Sion in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Sion's climate page.

More climate data for Sion

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Sion climate overview or explore weather in Switzerland.