Montana Weather in December

With daytime temperatures of -3°C (27°F) and nighttime lows of -12°C (10°F), December in Montana brings very low temperatures during the day. Do keep in mind that quite a bit of snowfall is typical. Around 139 mm (5.5 in) falls on average.

Rainfall in Montana in December

Historically, approximately 14 days this month are expected to have snow, averaging 139 mm (5.5 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Montana in December

In December, Montana gets very low temperatures, with highs of -3°C (27°F). Nights cool to around -12°C (10°F). Winter occurs in December. Expect a distinctly cold feel throughout the day, not just overnight. Nights are well below freezing at -12°C (10°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. With the arrival of this cold month, make sure you're dressed in warm clothing. It's important to be ready for the chill.

Sunshine in Montana in December

The area sees fewer sunny days, with a projection of about 70 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

Wind Speed in Montana in December

Average wind conditions reach 1 m/s (2 knots) in December. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Montana. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Montana Temperature in December

Min Temperature -12°C (10°F)  

Max Temperature -3°C (27°F)  

Chance of Rain 47%  

Precipitation 139 mm (5.5 in)  

Rainy days 14 days  

Humidity 83% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 70 hours *  

Percentage Sunshine 50% *  

* Data from: Sion, Switzerland (14 KM, 9 Miles).

What to Wear in Montana in December

Winter clothing is essential for visiting Montana in December. 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. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Montana in December

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 Montana's climate page.

More climate data for Montana

Temperature Rainfall Sunshine Humidity Wind Speed

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