Last updated: June 24, 2025
In December, the average temperature in Sand Lake, United States hovers around -2°C (29°F), with extremes ranging from a chilly -24°C (-11°F) to a balmy 15°C (59°F). Expect a moderate precipitation amount of 57 mm (2.3 in) over approximately 10 days, while the air remains quite damp, with an average humidity level of 89%.
In December in Sand Lake, the average temperature is -2°C (29°F). The maximum can reach 15°C (59°F) and the minimum can be as low as -24°C (-11°F). Be sure to pack warm clothing to stay comfortable during your travels.
In Sand Lake in December, the precipitation amount is 57 mm (2.3 in) over the course of 10 days.
In Sand Lake in December humidity is 89%. With an average temperature of -2°C (29°F), this humidity feels like a suffocating fog that clings to your skin, making outdoor adventures less enjoyable and giving travel a heavy and oppressive feel.
In Sand 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 Sand Lake, you can visit Hourly UV Index in Sand Lake.
UV Risk Categories
Weather in Sand Lake varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sand Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 49 mm (1.9 inches) | 92% | low |
| February Weather | -5°C (23°F) | 49 mm (1.9 inches) | 91% | moderate |
| March Weather | 0°C (32°F) | 52 mm (2.1 inches) | 87% | moderate |
| April Weather | 6°C (43°F) | 85 mm (3.4 inches) | 85% | very high |
| May Weather | 13°C (55°F) | 92 mm (3.6 inches) | 79% | very high |
| June Weather | 19°C (66°F) | 97 mm (3.8 inches) | 75% | very high |
| July Weather | 22°C (72°F) | 83 mm (3.3 inches) | 75% | very high |
| August Weather | 21°C (70°F) | 87 mm (3.4 inches) | 75% | very high |
| September Weather | 17°C (63°F) | 70 mm (2.7 inches) | 79% | high |
| October Weather | 11°C (51°F) | 111 mm (4.4 inches) | 85% | moderate |
| November Weather | 3°C (37°F) | 57 mm (2.2 inches) | 88% | moderate |
| December Weather | -2°C (29°F) | 57 mm (2.3 inches) | 89% | low |