Last updated: June 24, 2025
In Anaconda, United States, the average temperature in December hovers around -6°C (21°F), with extremes ranging from a chilling -25°C (-14°F) to a milder 14°C (57°F). Expect precipitation of 44 mm (1.7 in) spread across about 10 days, and prepare for a notably high average humidity of 95%.
In December in Anaconda, the average temperature is -6°C (21°F). Maximum temperatures can reach 14°C (57°F), while minimums can drop as low as -25°C (-14°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Anaconda in December, the total precipitation amount is 44 mm (1.7 in) over the course of 10 days.
In Anaconda in December, humidity is 95%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making the cold air bite even harder as you venture outside, turning each breath into a visible mist and creating a challenging environment for travelers.
In Anaconda 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 Anaconda, you can visit Hourly UV Index in Anaconda.
UV Risk Categories
Weather in Anaconda varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Anaconda, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 31 mm (1.2 inches) | 93% | moderate |
| February Weather | -7°C (19°F) | 75 mm (2.9 inches) | 92% | moderate |
| March Weather | -2°C (29°F) | 53 mm (2.1 inches) | 89% | high |
| April Weather | 1°C (34°F) | 72 mm (2.8 inches) | 85% | very high |
| May Weather | 7°C (44°F) | 90 mm (3.5 inches) | 80% | very high |
| June Weather | 13°C (55°F) | 107 mm (4.2 inches) | 78% | extreme |
| July Weather | 17°C (64°F) | 30 mm (1.2 inches) | 77% | very high |
| August Weather | 16°C (62°F) | 35 mm (1.4 inches) | 66% | very high |
| September Weather | 11°C (52°F) | 42 mm (1.6 inches) | 67% | very high |
| October Weather | 3°C (37°F) | 53 mm (2.1 inches) | 77% | moderate |
| November Weather | -2°C (28°F) | 46 mm (1.8 inches) | 89% | moderate |
| December Weather | -6°C (21°F) | 44 mm (1.7 inches) | 95% | low |