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.
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.
In Belle Fourche in January, the total precipitation amount is 14 mm (0.6 in) spread over a duration of 4 days.
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.
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.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
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 Weather | 2°C (36°F) | 28 mm (1.1 inches) | 70% | moderate |
April Weather | 6°C (43°F) | 59 mm (2.3 inches) | 70% | very high |
May Weather | 13°C (55°F) | 69 mm (2.7 inches) | 76% | very high |
June Weather | 21°C (69°F) | 44 mm (1.7 inches) | 84% | very high |
July Weather | 24°C (75°F) | 60 mm (2.4 inches) | 85% | very high |
August Weather | 22°C (72°F) | 36 mm (1.4 inches) | 84% | very high |
September Weather | 17°C (63°F) | 33 mm (1.3 inches) | 77% | very high |
October Weather | 8°C (46°F) | 49 mm (1.9 inches) | 73% | moderate |
November Weather | 3°C (38°F) | 13 mm (0.5 inches) | 74% | moderate |
December Weather | -1°C (30°F) | 22 mm (0.8 inches) | 79% | low |