Last updated: June 24, 2025
In February, the average temperature in Belle Fourche, United States hovers around -6°C (22°F), showcasing a chilly winter atmosphere. Temperatures can plunge to a brisk -29°C (-20°F) at times, while the warmer days can reach up to 20°C (69°F). Expect some precipitation totaling 25 mm (1.0 in) over about 7 days, contributing to an average humidity of 80%, giving the air a crisp, refreshing feel.
In February in Belle Fourche, the average temperature is -6°C (22°F). Maximums can reach 20°C (69°F) and minimums can be as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures during this time.
In Belle Fourche in February, the precipitation amount is 25 mm (1.0 in) over the course of 7 days.
In Belle Fourche in February humidity is 80%. With an average temperature of -6°C (22°F), this humidity feels like an icy blanket wrapping around you, making every breath feel heavier and every step more challenging. Traveling in these conditions requires warm, layered clothing and a determination to embrace the chill, as the cold dampness seeps through your gear, reminding you of the harshness of winter.
In Belle Fourche in February, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Belle Fourche for better planning.
UV Risk Categories
Weather in Belle Fourche varies notably across the year, with each month offering distinct climate conditions. This page compares February’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 |