We know the question on your mind, Chattanooga— when is it going to get hot? Thanks to the National Oceanic and Atmospheric Administration’s , we know what temperatures and precipitation trends to expect in our city for June, July, and August. While exact weather conditions typically can’t be predicted more than a week in advance, here’s a seasonal outlook to help you prepare for what summer will bring. The first day of summer is on Thursday, June 20.
get ready for the heat This summer, Chattanooga has a 40-50% chance of temperatures being higher than normal. and expect slightly more precipitation. Chattanooga also has a 40-50% chance of seeing higher than average rainfall amounts this summer.
June highlights the transitions into Chattanooga’s summer with warmer weather and sunny conditions. Temperatures tend to increase to 85.6° — compared to May’s 78.
1°. The sun is out for an average of 14.5 hours this month, meaning you’ll have more time during the day to enjoy outdoor activities.
July Historically, sees the highest temperatures, averaging around 88° — marking the peak of summer in Chattanooga. You can also expect the average relative humidity rate to increase to 75% on most days during this month. July’s heat index is computed to be 102.
2°, so you’ll want to make sure you stay hydrated and take precautions while outdoors. August Temperatures in tend to decrease slightly to an average of 87.3°, so you can still expect plenty of warm and sunny day.