Typical Weather in Chattanooga, TN in January

45° F Avg High

29° F Avg Low

8 Rainy Days

☀️ Temperature Summary

Highs in January are typically around 45°F, which is cooler than usual in Chattanooga. Overnight lows can reach 29°F. This is the coldest month of the year in Chattanooga.

Despite it being the coolest month of the year, January is still a great time to visit Chattanooga, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

In January you can expect close to a 25% chance of rain for any given day. It rains more than usual in January, with total rainfall for the month typically near 6 inches.