Great Smoky Mountains National Park 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 Great Smoky Mountains National Park, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Great Smoky Mountains National Park. Expect long, bright days with 290 hours in June and darker periods with just 125 hours in December. The total annual amount of sun is 2618 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Great Smoky Mountains National Park. While June receives considerable daily sunshine with up to 9.7 hours, December marks the darkest time of the year, where sunshine is scarce 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%.

Great Smoky Mountains National Park 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, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

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

July, Great Smoky Mountains National Park’s wettest month, receives 124 mm (4.9 in) of rainfall and has a maximum daytime temperature of 25°C (77°F). During the driest month February you can expect a temperature of 6°C (43°F).

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