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.