Sion Weather in July

Sion in July sees pleasant temperatures, with highs around 19°C (66°F) and overnight lows of 8°C (46°F). Rainfall is fairly high at around 162 mm (6.4 in) on average, so pack waterproofs just in case.

Rainfall in Sion in July

Climate statistics over the past 30 years suggest around 16 days of rain, with 162 mm (6.4 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Sion in July

Daytime highs in Sion in July reach 19°C (66°F), with nights around 8°C (46°F). The month of July belongs to the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. On average, it is the month with the highest temperature of the year.

Sunshine in Sion in July

There are approximately 270 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Sion in July

July 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 your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Sion.

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

Sion Temperature in July

Min Temperature 8°C (46°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 54%  

Precipitation 162 mm (6.4 in)  

Rainy days 16 days  

Humidity 63%  

Windspeed 2 m/s (4 knots)  

Sunshine 270 hours  

Percentage Sunshine 65%  

What to Wear in Sion in July

Comfortable temperatures call for an easy wardrobe in July. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. 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 July

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

Swimming

7/10

Camping

3/10

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.