Last updated: June 24, 2025
In Mountain Lake, United States during December, the average temperature hovers around -4°C (25°F). However, temperatures can drop to a chilling -25°C (-13°F) or rise to a moderate 17°C (63°F). Expect about 42 mm (1.7 in) of precipitation spread over 4 days, with an average humidity of 83%. Stay warm and prepared for variable weather conditions!
In December in Mountain Lake, the average temperature is -4°C (25°F). Maximum temperatures can reach 17°C (63°F), while minima can drop as low as -25°C (-13°F). Be prepared for a wide range of temperatures when traveling to Mountain Lake during this time.
In Mountain Lake in December, the precipitation amount is 42 mm (1.7 in) distributed over a span of 4 days.
In Mountain Lake in December, humidity is 83%. With an average temperature of -4°C (25°F), this humidity feels like a chilling fog enveloping you, making every breath feel heavy and damp, which can quickly dampen the spirit of travel as you navigate the frosty landscape.
In Mountain Lake 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 Mountain Lake, you can visit Hourly UV Index in Mountain Lake.
UV Risk Categories
Weather in Mountain Lake varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mountain Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 31 mm (1.2 inches) | 80% | moderate |
| February Weather | -9°C (17°F) | 30 mm (1.2 inches) | 84% | moderate |
| March Weather | 1°C (34°F) | 68 mm (2.7 inches) | 75% | high |
| April Weather | 6°C (44°F) | 90 mm (3.6 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 134 mm (5.3 inches) | 74% | very high |
| June Weather | 22°C (72°F) | 123 mm (4.8 inches) | 81% | very high |
| July Weather | 23°C (74°F) | 123 mm (4.9 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 121 mm (4.8 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 124 mm (4.9 inches) | 75% | very high |
| October Weather | 9°C (48°F) | 96 mm (3.8 inches) | 77% | moderate |
| November Weather | 1°C (34°F) | 33 mm (1.3 inches) | 85% | moderate |
| December Weather | -4°C (25°F) | 42 mm (1.7 inches) | 83% | low |