Last updated: June 24, 2025
The average temperature in Trempealeau, United States during December hovers around -3°C (26°F). Expect chilly conditions, with minimum temperatures plummeting to -27°C (-17°F) and occasional highs reaching 18°C (64°F). Precipitation is moderate, with an average of 43 mm (1.7 in) spread over about 6 days, while the air carries an average humidity of 82%, making it feel even cooler. Stay warm!
In December in Trempealeau, the average temperature is -3°C (26°F), with maximums reaching up to 18°C (64°F) and minimums plummeting as low as -27°C (-17°F). This combination of temperatures makes it essential for travelers to be well-prepared for both cold and milder conditions.
In Trempealeau in December, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.
In Trempealeau in December, humidity is 82%. With an average temperature of -3°C (26°F), this humidity feels like an uncomfortable chill that makes traveling outside feel more biting and penetrating, as the cold damp air clings to your skin, intensifying the cold sensation and making even short excursions feel more daunting.
In Trempealeau 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 Trempealeau, you can visit Hourly UV Index in Trempealeau.
UV Risk Categories
Weather in Trempealeau varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Trempealeau, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (19°F) | 35 mm (1.4 inches) | 84% | low |
| February Weather | -7°C (20°F) | 49 mm (1.9 inches) | 85% | moderate |
| March Weather | 2°C (35°F) | 57 mm (2.3 inches) | 84% | moderate |
| April Weather | 7°C (45°F) | 87 mm (3.4 inches) | 83% | very high |
| May Weather | 15°C (59°F) | 149 mm (5.9 inches) | 75% | very high |
| June Weather | 21°C (71°F) | 156 mm (6.2 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 106 mm (4.2 inches) | 75% | very high |
| August Weather | 21°C (70°F) | 131 mm (5.2 inches) | 69% | very high |
| September Weather | 18°C (64°F) | 116 mm (4.5 inches) | 74% | very high |
| October Weather | 10°C (49°F) | 120 mm (4.7 inches) | 79% | moderate |
| November Weather | 1°C (35°F) | 55 mm (2.2 inches) | 88% | moderate |
| December Weather | -3°C (26°F) | 43 mm (1.7 inches) | 82% | low |