Great Falls Weather in October

Great Falls in October sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 2°C (36°F). Moderate rainfall is typical, with around 31 mm (1.2 in) for the month.

Rainfall in Great Falls in October

Looking at the last 30 years, the data shows about 7 days with rain, averaging 31 mm (1.2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Great Falls in October

Daytime highs in Great Falls in October reach 15°C (59°F), with nights around 2°C (36°F). Conditions are often most pleasant around the middle of the day. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Great Falls in October

The month enjoys around 202 hours of sunshine, creating mostly sunny days despite the cool temperatures.

Wind Speed in Great Falls in October

Average wind conditions reach 5 m/s (10 knots) in October. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

If your ideal day consists of dry skies and pleasant temperatures, June, August and September typically offer the best circumstances for Great Falls.