Great Smoky Mountains National Park Weather in July
July in Great Smoky Mountains National Park brings high temperatures around 25°C (77°F) during the day, dropping to 13°C (55°F) at night, with the most rainfall of the year.
Rainfall in Great Smoky Mountains National Park in July
Known for its peak rainfall, this month often has intense showers. It's wise to carry a poncho to protect yourself from the rain. You can expect rain on around 19 days based on historical patterns, with 211 mm (8.3 in) average for the month. 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 July
In July, Great Smoky Mountains National Park sees high temperatures, with highs of 25°C (77°F). Nights drop to around 13°C (55°F). The summer season is characteristic of July. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Great Smoky Mountains National Park in July
With approximately 288 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you prefer dry days with pleasant temperatures, May, June, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 July
Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
64%
Precipitation
211 mm (8.3 in)
Rainy days
19 days
Humidity
76% *
Sunshine
288 hours *
Percentage Sunshine
65% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Great Smoky Mountains National Park typically stay consistent throughout July, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 19°C (66°F) to 21°C (70°F).
Average temperatures in July
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 July
Historical weather for Great Smoky Mountains National Park in July
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 July
Based on weather observations in Great Smoky Mountains National Park between 1976 and 2025, these are the recorded extremes during July.
- Great Smoky Mountains National Park recorded its highest July temperature of 38°C (100°F) on July 8, 1988.
- On July 18, 2014, Great Smoky Mountains National Park saw its coldest July day with temperatures maxing out at 20°C (68°F).
- Nighttime temperatures dropped to 10°C (50°F) on July 30, 2014, marking the coldest July night on record.
- The wettest July day on record brought 87 mm (3.4 in) of precipitation to Great Smoky Mountains National Park (July 28, 1984).
Best Places in the United States of America in July
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 July →
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What to Wear in Great Smoky Mountains National Park in July
For Great Smoky Mountains National Park in July, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. 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 July
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.
