Montana Weather in October

Montana in October averages 10°C (50°F) during the day and -1°C (30°F) at night. This is the driest month of the year.

Rainfall in Montana in October

Dry conditions dominate this month. A good time for outdoor fun and exploration, even if the temperatures are on the cool side. You can expect snow/rain on roughly 13 days based on historical data, averaging 112 mm (4.4 in) for the month. 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 October

Expect highs of 10°C (50°F) in Montana in October, with nights dropping to around -1°C (30°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Montana in October

The area enjoys a moderate level of sunlight, with around 162 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Montana in October

Average wind conditions reach 1 m/s (2 knots) in October. 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, October 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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Check the conditions for any month of the year.

• January
• February
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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 Montana's climate page.

Montana Temperature in October

Min Temperature -1°C (30°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 44%  

Precipitation 112 mm (4.4 in)  

Rainy days 13 days  

Humidity 76% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 162 hours *  

Percentage Sunshine 58% *  

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

What to Wear in Montana in October

Cold weather calls for smart layering in October. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Montana in October

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

1/10

Outdoor sports

5/10

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.