The best time to visit Chattanooga
Month-by-month climate averages for Chattanooga, TN, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Chattanooga is usually March, April, May and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest December rain is behind you.
Chattanooga is warmest in July (highs near 88°F) and coldest in January (lows around 31°F), with roughly 52 inches of precipitation across the year and December the wettest month. The sweet spot for most visitors is March, April, May and October. Expect overnight frost in January.
These are long-run averages. For the actual days you are travelling, check the live Chattanooga forecast - and note how much the models agree, because that tells you how much to trust it.
Chattanooga weather by month
what to expect in Chattanooga through the year, 1991-2020 averagesHere is Chattanooga's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Chattanooga by season.