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October Weather in Belle Fourche, United States

Last updated: June 24, 2025

In October, the average temperature in Belle Fourche, United States hovers around 8°C (46°F), with fluctuations that can see lows of -23°C (-8°F) and highs of 33°C (91°F). Expect around 49 mm (1.9 in) of precipitation spread over 8 days, alongside an average humidity of 73%, creating a diverse and dynamic climate.

October Temperature in Belle Fourche

In October in Belle Fourche, the average temperature is 8°C (46°F), with maximums reaching 33°C (91°F) and minimums dropping as low as -23°C (-8°F). Be prepared for a wide range of temperatures when traveling to Belle Fourche during this time.

October Weather in Belle Fourche: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Belle Fourche, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belle Fourche, October typically has an average temperature of 8°C (46°F), with highs reaching up to 33°C (91°F) and lows dropping to around -23°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec262136435569757263463730
Data source: Temperature data for Belle Fourche generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Belle Fourche

In Belle Fourche in October, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

October Precipitation Trends in Belle Fourche

The chart displays monthly precipitation patterns in Belle Fourche, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Belle Fourche, October typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec142628596944603633491322
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Belle Fourche

In Belle Fourche in October humidity is 73%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that wraps around you, making outdoor activities less comfortable for traveling and often leaving you yearning for a warm shelter to escape the cool, moist air.

October Average Humidity in Belle Fourche

This chart illustrates the average monthly humidity levels in Belle Fourche, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Belle Fourche is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%70%70%76%84%85%85%77%73%74%79%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Belle Fourche

In Belle Fourche in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Belle Fourche.

Maximum UV Index Levels in Belle Fourche for October

The chart shows the monthly maximum UV Index (UVI) for Belle Fourche in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Belle Fourche typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245991010108532
Data source: Belle Fourche October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Belle Fourche Compares to Other Months

Weather in Belle Fourche varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Belle Fourche, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Belle Fourche, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)14 mm (0.6 inches)77%low
February Weather-6°C (22°F)25 mm (1.0 inches)80%moderate
March Weather2°C (36°F)28 mm (1.1 inches)70%moderate
April Weather6°C (43°F)59 mm (2.3 inches)70%very high
May Weather13°C (55°F)69 mm (2.7 inches)76%very high
June Weather21°C (69°F)44 mm (1.7 inches)84%very high
July Weather24°C (75°F)60 mm (2.4 inches)85%very high
August Weather22°C (72°F)36 mm (1.4 inches)84%very high
September Weather17°C (63°F)33 mm (1.3 inches)77%very high
October Weather8°C (46°F)49 mm (1.9 inches)73%moderate
November Weather3°C (38°F)13 mm (0.5 inches)74%moderate
December Weather-1°C (30°F)22 mm (0.8 inches)79%low

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