Last updated: June 24, 2025
In December, the average temperature in Augusta, United States hovers around -4°C (24°F). Expect minimums plunging to a chilly -31°C (-23°F), while maximums can reach a mild 16°C (61°F). With an average precipitation of 51 mm (2.0 in) over 8 days, and humidity levels soaring at 85%, it's a month where the cold meets the wet, creating a uniquely brisk atmosphere.
In December in Augusta, the average temperature is -4°C (24°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -31°C (-23°F). Travelers should be prepared for a wide temperature range and pack accordingly for both chilly and mild conditions.
In Augusta in December, the total precipitation amount is 51 mm (2.0 in), spread over a duration of 8 days.
In Augusta in December, humidity is 85%. With an average temperature of -4°C (24°F), this humidity feels like a biting chill that penetrates your layers, making outdoor exploration uncomfortable and urging you to seek warm shelter frequently.
In Augusta 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 Augusta, you can visit Hourly UV Index in Augusta.
UV Risk Categories
Weather in Augusta varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Augusta, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 33 mm (1.3 inches) | 88% | low |
| February Weather | -8°C (18°F) | 52 mm (2.0 inches) | 89% | moderate |
| March Weather | 1°C (33°F) | 55 mm (2.2 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 97 mm (3.8 inches) | 85% | very high |
| May Weather | 15°C (58°F) | 130 mm (5.1 inches) | 79% | very high |
| June Weather | 21°C (69°F) | 133 mm (5.3 inches) | 80% | very high |
| July Weather | 22°C (73°F) | 124 mm (4.9 inches) | 80% | very high |
| August Weather | 20°C (69°F) | 132 mm (5.2 inches) | 78% | very high |
| September Weather | 17°C (63°F) | 93 mm (3.6 inches) | 80% | high |
| October Weather | 9°C (48°F) | 120 mm (4.7 inches) | 84% | moderate |
| November Weather | 1°C (33°F) | 52 mm (2.0 inches) | 89% | moderate |
| December Weather | -4°C (24°F) | 51 mm (2.0 inches) | 85% | low |