Chattanooga (TN) Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Chattanooga, Tennessee, United States of America. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Seasonal sunshine in Chattanooga varies. It peaks at 277 hours in May and drops to 142 hours in December. The total annual amount of sun is 2580 hours.

Daily hours of sunshine

For those who appreciate different seasons, Chattanooga serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 9.2 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.

Average percent of sunshine

On average the sun shines 63% of the time during the day in May, the highest percentage of any month. December has the lowest percentage at 45%.

Chattanooga enjoys an average of 2580 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

December, Chattanooga’s wettest month, receives 100 mm (3.9 in) of rainfall and has a maximum daytime temperature of 12°C (54°F). During the driest month June you can expect a temperature of 32°C (90°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Chattanooga Precipitation page.