Last updated: June 24, 2025
In Fredericksburg, United States, the average temperature in December hovers around -2°C (28°F). Expect chilly lows reaching -22°C (-8°F), with occasional highs soaring to 21°C (70°F). During this month, you'll likely experience 37 mm (1.5 in) of precipitation over approximately 6 days, all while managing an average humidity of 82%.
In December in Fredericksburg, the average temperature is -2°C (28°F), with maximums reaching 21°C (70°F) and minimums dropping to as low as -22°C (-8°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during outdoor activities.
In Fredericksburg in December, the precipitation amount is 37 mm (1.5 in) over the course of 6 days.
In Fredericksburg in December, humidity is 82%. With an average temperature of -2°C (28°F), this humidity feels like an icy shroud enveloping you, making every breath feel crisp and biting as you navigate through a winter wonderland, each step a reminder of the contrast between the cold air and the heavy moisture lingering in the atmosphere.
In Fredericksburg in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Fredericksburg, you can check the information here.
UV Risk Categories
Weather in Fredericksburg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fredericksburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 38 mm (1.5 inches) | 84% | moderate |
| February Weather | -7°C (19°F) | 52 mm (2.0 inches) | 85% | moderate |
| March Weather | 2°C (35°F) | 70 mm (2.8 inches) | 84% | moderate |
| April Weather | 8°C (46°F) | 72 mm (2.8 inches) | 83% | very high |
| May Weather | 15°C (60°F) | 169 mm (6.7 inches) | 75% | very high |
| June Weather | 22°C (72°F) | 131 mm (5.2 inches) | 79% | extreme |
| July Weather | 23°C (74°F) | 94 mm (3.7 inches) | 75% | very high |
| August Weather | 21°C (71°F) | 119 mm (4.7 inches) | 69% | very high |
| September Weather | 18°C (65°F) | 126 mm (4.9 inches) | 74% | very high |
| October Weather | 10°C (50°F) | 135 mm (5.3 inches) | 79% | moderate |
| November Weather | 2°C (35°F) | 51 mm (2.0 inches) | 88% | moderate |
| December Weather | -2°C (28°F) | 37 mm (1.5 inches) | 82% | moderate |