Chattanooga Weather in December

December in Chattanooga brings moderate temperatures, with highs of 12°C (54°F) and nights dropping to 2°C (36°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in Chattanooga in December

It records the year's peak rainfall, often coming down quite heavily. We recommend bringing a poncho, which will keep you dry. This month experiences about 13 days of rain according to historical data, averaging 155 mm (6.1 in). 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 Chattanooga in December

Expect highs of 12°C (54°F) in Chattanooga in December, with nights dropping to around 2°C (36°F). December is typically considered a winter month. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 2°C (36°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Chattanooga in December

The area enjoys a moderate level of sunlight, with around 142 hours. It's a good balance between sunny and cloudy days.

December in Chattanooga has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.