Great Smoky Mountains in May: Crowds, Weather & What to Pack
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May is one of the best months of the year to visit Great Smoky Mountains National Park: crowds run 77% of the October peak (1,240,272 average visits), days average 66°F with 14 hours of daylight. Computed from NPS and NOAA data.
Crowds in May
Great Smoky Mountains averages 1,240,272 recreation visits in May — 77% of what October, the peak month, draws. Trailheads and parking fill accordingly — book early and start days at dawn.
Weather & daylight
Days are mild (highs average 66°F), and nights stay mild (lows average 47°F). This is one of the wetter months (6.2″ of precipitation on average). Mid-month daylight runs 14 hours.
NOAA 1991–2020 monthly normals, station NEWFOUND GAP, TN US (0 mi from park coordinates, 5,040 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of May.
What to pack for Great Smoky Mountains in May
Computed from the month's weather normals above — not a generic list.
- Rain shell + pack cover — 6.2″ of precipitation is normal this month
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
Common questions
Is Great Smoky Mountains crowded in May?
Yes — May runs 77% of Great Smoky Mountains's peak, averaging 1,240,272 recreation visits (NPS, 2021–2025).
What is the weather like in Great Smoky Mountains in May?
Average highs of 66°F, lows of 47°F, 6.2″ of precipitation (NOAA 1991–2020 normals, NEWFOUND GAP, TN US station).
What should I pack for Great Smoky Mountains in May?
Rain shell + pack cover; Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.
See also: the best national parks to visit in May · Last verified 2026-07-16