Sion Weather in January

With daytime temperatures of -3°C (27°F) and nighttime lows of -13°C (9°F), January in Sion brings very low temperatures during the day. Do keep in mind that quite a bit of snowfall is typical. Around 128 mm (5 in) falls on average.

Rainfall in Sion in January

Historically, January sees about 15 days of snow, with a monthly average of 128 mm (5 in). 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 January

January in Sion brings very low temperatures, with highs of -3°C (27°F) and nights around -13°C (9°F). This month falls in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. Nights drop below freezing to -13°C (9°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. It is the coldest month of the year, so be sure to pack proper winter clothing for the conditions.Pack accordingly with warm clothes.

Sunshine in Sion in January

The month is characterized by fewer sunny days, with roughly 95 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Wind Speed in Sion in January

Wind speeds average 1 m/s (2 knots) during January. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.

January in Sion has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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 January

Min Temperature -13°C (9°F)  

Max Temperature -3°C (27°F)  

Chance of Rain 51%  

Precipitation 128 mm (5 in)  

Rainy days 15 days  

Humidity 78%  

Windspeed 1 m/s (2 knots)  

Sunshine 95 hours  

Percentage Sunshine 53%  

What to Wear in Sion in January

Winter clothing is essential for visiting Sion in January. If you have a heavy coat, waterproof boots with good traction, and plenty of warm layers it's smart to bring them. Pack cloths like thermal underwear, wool socks, and insulated gloves. Prepare for significant rainfall with proper waterproof clothing and shoes. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Sion in January

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

Swimming

1/10

Cycling

1/10

Walking

1/10

Camping

1/10

Outdoor sports

1/10

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.