Belle Fourche Weather in October

What's the weather like in Belle Fourche (South Dakota) in October 2025?

The climate in Belle Fourche during October can be summarized as cool and dry.

October is in the fall / autumn in Belle Fourche and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 2°C (35°F) is normal.

Belle Fourche weather averages (imperial / metric)
Daytime temperature 16.7°C 62°F
Nightly temperature 1.8°C 35.2°F
Average temperature 9.2°C 48.6°F
Daily sunshine 7.7 hrs
Avg rainfall 25 mm 1 ins
Rainy days 6 days
Sea temperature 13°C 55.4°F
Humidity 57%
Windspeed 17.6kph 11 mph

On average October is the 6th driest month of the year in Belle Fourche with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

October temperatures in Belle Fourche

Belle Fourche average temperature in October

October rainfall

Belle Fourche average rain in October

October hourly sunshine

Belle Fourche average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Belle Fourche in October 2025.

Other monthly averages

Best places to visit in October

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Belle Fourche weather stats

Belle Fourche weather statistics
Hottest month: July 30.7°C 87.3°F
Driest month: January 8mm 0.3ins
Sunniest month: August 11.3hrs
Coldest month: January -0.4°C 31.3°F
Wettest month: June 70mm 2.8ins
Map showing location of Belle Fourche (44.67137, -103.85215) Belle Fourche map pin © Google

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