Last updated: June 24, 2025
In December, the average temperature in Waynesville, United States is a brisk 3°C (38°F). Expect chilly nights with a minimum dropping to -18°C (-1°F), while daytime highs can reach a comfortable 18°C (65°F). Be prepared for some moisture as well; you'll likely encounter 107 mm (4.2 in) of precipitation over about 10 days. With an average humidity of 87%, it’s a month where layering becomes essential for staying cozy!
In December in Waynesville, the average temperature is 3°C (38°F), with maximums reaching up to 18°C (65°F) and minimums dropping as low as -18°C (-1°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both chilly and milder days.
In Waynesville in December, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.
In Waynesville in December humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.
In Waynesville 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 Waynesville, you can check the information here.
UV Risk Categories
Weather in Waynesville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Waynesville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 80 mm (3.2 inches) | 88% | moderate |
| February Weather | 2°C (36°F) | 106 mm (4.2 inches) | 88% | moderate |
| March Weather | 6°C (44°F) | 125 mm (4.9 inches) | 87% | high |
| April Weather | 12°C (53°F) | 115 mm (4.5 inches) | 85% | very high |
| May Weather | 18°C (65°F) | 122 mm (4.8 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 126 mm (5.0 inches) | 82% | very high |
| July Weather | 25°C (77°F) | 119 mm (4.7 inches) | 81% | very high |
| August Weather | 23°C (74°F) | 80 mm (3.1 inches) | 73% | very high |
| September Weather | 21°C (70°F) | 78 mm (3.1 inches) | 73% | very high |
| October Weather | 15°C (59°F) | 94 mm (3.7 inches) | 78% | high |
| November Weather | 6°C (43°F) | 99 mm (3.9 inches) | 89% | moderate |
| December Weather | 3°C (38°F) | 107 mm (4.2 inches) | 87% | moderate |