Last updated: June 24, 2025
In Lake Crystal, United States, the average temperature for December hovers around -4°C (25°F). However, be prepared for extremes, as temperatures can plummet to a minimum of -24°C (-12°F) and reach a maximum of 18°C (65°F). During this month, you can expect approximately 43 mm (1.7 in) of precipitation over 5 days, alongside an average humidity level of 83%. Stay warm and dry!
In December in Lake Crystal, the average temperature is -4°C (25°F), with maximums reaching up to 18°C (65°F) and minimums plummeting as low as -24°C (-12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Lake Crystal in December, the precipitation amount is 43 mm (1.7 in) over the course of 5 days.
In Lake Crystal 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 Lake Crystal 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 Lake Crystal, you can visit Hourly UV Index in Lake Crystal.
UV Risk Categories
Weather in Lake Crystal varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lake Crystal, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 34 mm (1.3 inches) | 82% | moderate |
| February Weather | -9°C (17°F) | 36 mm (1.4 inches) | 84% | moderate |
| March Weather | 1°C (34°F) | 69 mm (2.7 inches) | 80% | moderate |
| April Weather | 7°C (45°F) | 92 mm (3.6 inches) | 81% | very high |
| May Weather | 16°C (60°F) | 136 mm (5.4 inches) | 74% | very high |
| June Weather | 22°C (73°F) | 114 mm (4.5 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 121 mm (4.8 inches) | 80% | very high |
| August Weather | 22°C (71°F) | 114 mm (4.5 inches) | 77% | very high |
| September Weather | 18°C (65°F) | 136 mm (5.4 inches) | 75% | very high |
| October Weather | 9°C (49°F) | 94 mm (3.7 inches) | 80% | moderate |
| November Weather | 1°C (35°F) | 33 mm (1.3 inches) | 87% | moderate |
| December Weather | -4°C (25°F) | 43 mm (1.7 inches) | 83% | low |