Knoxville Weather in December

During December, Knoxville experiences low daytime temperatures of 11°C (52°F) and cooler nights around 1°C (34°F). As the wettest month of the year, and part of the winter season, expect frequent rainfall.

Rainfall in Knoxville in December

With this being the wettest month, keeping an umbrella on hand might save you from getting wet from a sudden shower. Typically, you can expect about 13 days of rain this month, with 147 mm (5.8 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Knoxville in December

Daytime highs in Knoxville in December reach 11°C (52°F), with nights around 1°C (34°F). December is part of winter. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Knoxville in December

The city usually sees around 125 hours of sunlight, indicating a moderately sunny period.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Knoxville. Our weather planner can help you explore destinations with more pleasant weather conditions.