Last updated: June 24, 2025
In December, the average temperature in Eagle Butte, United States hovers around -4°C (26°F). Be prepared for a chilly experience, with minimum temperatures dropping to -25°C (-13°F) and occasionally soaring to a maximum of 20°C (69°F). Expect 24 mm (1.0 in) of precipitation spread over 4 days, contributing to an average humidity of 76%.
In December in Eagle Butte, the average temperature is -4°C (26°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -25°C (-13°F). Travelers should be prepared for a wide temperature range and dress accordingly.
In Eagle Butte in December, the precipitation amount is 24 mm (1.0 in) over the course of 4 days.
In Eagle Butte in December humidity is 76%. With an average temperature of -4°C (26°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions feel much colder than the thermometer suggests and prompting travelers to bundle up for comfort while navigating the frosty conditions.
In Eagle Butte in December, 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 Eagle Butte, you can visit Hourly UV Index in Eagle Butte.
UV Risk Categories
Weather in Eagle Butte varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Eagle Butte, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 13 mm (0.5 inches) | 78% | low |
| February Weather | -9°C (17°F) | 20 mm (0.8 inches) | 81% | moderate |
| March Weather | 0°C (33°F) | 35 mm (1.4 inches) | 71% | moderate |
| April Weather | 6°C (43°F) | 50 mm (2.0 inches) | 73% | high |
| May Weather | 14°C (57°F) | 76 mm (3.0 inches) | 75% | very high |
| June Weather | 22°C (71°F) | 61 mm (2.4 inches) | 82% | very high |
| July Weather | 25°C (76°F) | 83 mm (3.3 inches) | 83% | very high |
| August Weather | 22°C (72°F) | 53 mm (2.1 inches) | 82% | very high |
| September Weather | 18°C (64°F) | 41 mm (1.6 inches) | 73% | very high |
| October Weather | 7°C (46°F) | 52 mm (2.0 inches) | 71% | moderate |
| November Weather | 1°C (35°F) | 11 mm (0.4 inches) | 78% | moderate |
| December Weather | -4°C (26°F) | 24 mm (1.0 inches) | 76% | low |