The weather in Great Smoky Mountains National Park can vary throughout the year and depending on the elevation. Temperatures in upper elevations are normally ten to twenty degrees cooler than that of the valley. Rainfall averages 55 inches per year in the lowlands to 85 inches per year at Clingmans Dome. However, here is a general overview of the climate:
- Spring (March to May): Spring weather in the Great Smoky Mountains is characterized by mild temperatures and the blooming of wildflowers. Average temperatures range from the 50s°F to the 70s°F (10°C to 25°C). However, temperatures can still be cooler at higher elevations.
- Summer (June to August): Summers in the park can be warm and humid, with average temperatures ranging from the 70s°F to the 90s°F (20°C to 30°C). It is also the wettest season, with frequent afternoon showers and thunderstorms.
- Fall (September to November): Fall is a popular time to visit the Smokies due to the stunning foliage colors. Temperatures start to cool down, with daytime highs ranging from the 60s°F to the 80s°F (15°C to 25°C) in September and dropping to the 40s°F to the 60s°F (5°C to 20°C) in November.
- Winter (December to February): Winter in the Smoky Mountains can bring cold temperatures and occasional snowfall, especially at higher elevations. Daytime temperatures range from the 40s°F to the 50s°F (5°C to 15°C), but it can drop below freezing at night.
It’s important to note that The weather in Great Smoky Mountains National Park can change rapidly, so it’s advisable to check the forecast right before your visit and pack appropriate clothing layers and rain gear.