January Weather in Belle Fourche, United States

Last updated: June 24, 2025

In January, the average temperature in Belle Fourche, United States hovers around -4°C (26°F), creating a crisp and chilly atmosphere. Expect temperature extremes with minimums dropping to a frigid -31°C (-23°F) and maximums reaching a surprisingly mild 15°C (59°F). Precipitation levels are relatively low, averaging 14 mm (0.6 in) over just 4 days, while humidity remains high at 77%, adding to the wintry ambiance.

January Temperature in Belle Fourche

In January in Belle Fourche, the average temperature is -4°C (26°F). Maximum temperatures can reach 15°C (59°F), while the minimum can drop as low as -31°C (-23°F). Be prepared for a wide range of temperatures when traveling to Belle Fourche during this month.

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

The chart illustrates January 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, January typically has an average temperature of -4°C (26°F), with highs reaching up to 15°C (59°F) and lows dropping to around -31°C (-23°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.

January Precipitation in Belle Fourche

In Belle Fourche in January, the total precipitation amount is 14 mm (0.6 in) spread over a duration of 4 days.

January Precipitation Trends in Belle Fourche

The chart displays monthly precipitation patterns in Belle Fourche, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Belle Fourche, January typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec142628596944603633491322
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Belle Fourche

In Belle Fourche in January humidity is 77%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm.

January Average Humidity in Belle Fourche

This chart illustrates the average monthly humidity levels in Belle Fourche, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Belle Fourche is approximately 77%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Belle Fourche

In Belle Fourche in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Belle Fourche, you can visit Hourly UV Index in Belle Fourche.

Maximum UV Index Levels in Belle Fourche for January

The chart shows the monthly maximum UV Index (UVI) for Belle Fourche in January, 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 January, the maximum UV index in Belle Fourche typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245991010108532
Data source: Belle Fourche January 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 January 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 January’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 January’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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