Oak Ridge (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 Oak Ridge, Tennessee, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Sunshine in Oak Ridge varies greatly throughout the year. The sunniest month, June, reaches an impressive 290 hours, while December, the darkest month, offers only 125 hours. The total annual amount of sun is 2618 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 9.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.2 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 67% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 40%.

Oak Ridge enjoys an average of 2618 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

December, Oak Ridge’s wettest month, receives 97 mm (3.8 in) of rainfall and has a maximum daytime temperature of 11°C (52°F). During the driest month October you can expect a temperature of 21°C (70°F).

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