Average Monthly Sunshine in Chattanooga (TN)

The graphs on this page shows the average number of hours per month and per day that Chattanooga receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Sunshine in Chattanooga varies greatly throughout the year. The sunniest month, May, reaches an impressive 277 hours, while December, the darkest month, offers only 142 hours. The total annual amount of sun is 2575 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Chattanooga. While May receives considerable daily sunshine with up to 9.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.

Chattanooga’s total hours of sunshine compared to other major cities

Chattanooga enjoys an average of 2575 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 Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

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

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.