Great Smoky Mountains National Park Weather in June
Great Smoky Mountains National Park in June sees high temperatures, with highs around 24°C (75°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 159 mm (6.3 in) on average, so pack waterproofs just in case.
Rainfall in Great Smoky Mountains National Park in June
This month experiences about 17 days of rain according to historical data, averaging 159 mm (6.3 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Great Smoky Mountains National Park in June
June in Great Smoky Mountains National Park sees highs of 24°C (75°F) and lows of 12°C (54°F) overnight. The summer season is characteristic of June. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Great Smoky Mountains National Park in June
The city usually sees around 290 hours of sunlight, indicating many sunny days — a great month for sightseeing.If your ideal day consists of dry skies and pleasant temperatures, May, June, August and September typically offer the best circumstances for Great Smoky Mountains National Park.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Great Smoky Mountains National Park's climate page.
Great Smoky Mountains National Park Temperature in June
Min Temperature
12°C (54°F)
Max Temperature
24°C (75°F)
Chance of Rain
57%
Precipitation
159 mm (6.3 in)
Rainy days
17 days
Humidity
74% *
Sunshine
290 hours *
Percentage Sunshine
67% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Great Smoky Mountains National Park typically stay consistent throughout June, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for Great Smoky Mountains National Park in June
Browse day-by-day weather records for Great Smoky Mountains National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Great Smoky Mountains National Park historical weather extremes in June
According to our 50 years of weather records for Great Smoky Mountains National Park, the following extremes were recorded between 1976 and 2026.
- The hottest June day on record in Great Smoky Mountains National Park reached 39°C (102°F) (June 24, 1988).
- The coldest June day was on June 7, 1997, with a maximum of 18°C (64°F).
- The lowest overnight temperature recorded in June was 7°C (45°F) (June 1, 1984).
- The heaviest June precipitation occurred on June 1, 1998, when 73 mm (2.9 in) of precipitation fell.
Best Places in the United States of America in June
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in June →
perfect weather
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What to Wear in Great Smoky Mountains National Park in June
Pleasant temperatures in June mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Great Smoky Mountains National Park in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Great Smoky Mountains National Park's climate page.
