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Great Smoky Mountains National Park weather in May (United States of America)

How does the weather in Great Smoky Mountains National Park usually fare in May? Use this page to get an overview of the month’s weather conditions.

Temperatures

In May, the weather in Great Smoky Mountains National Park generally includes pleasant temperatures and high rainfall. Expect daytime highs to reach approximately 20°C, with nighttime lows dipping to around 7°C.

Precipitation

Great Smoky Mountains National Park in May usually receives high rainfall, averaging around 147 mm for the month. Typically around 17 days days of rainfall are expected.

Average sunshine

The city usually sees around 289 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, May is a prime time to visit Great Smoky Mountains National Park. May, June, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Great Smoky Mountains National Park climate page with graphs.

 

Great Smoky Mountains National Park, monthly averages in May

Min TemperatureMin Temperature 7°C  
Max TemperatureMax Temperature 20°C  
Chance of RainChance of Rain 57%  
PrecipitationPrecipitation 147 mm  
Rainy daysRainy days 17 days  
HumidityHumidity 71% *  
SunshineSunshine 289 hours *  
Percentage SunshinePercentage Sunshine 66% *  
Data from: Knoxville, the United States of America (54 KM, 34 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Great Smoky Mountains National Park, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
9/10
Walking
9/10
Camping
3/10
Outdoor sports
9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Great Smoky Mountains National Park.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.