Great Smoky Mountains National Park weather in July
July in Great Smoky Mountains National Park: warm, soaked, with clean air — a great time to visit.
#9 of 12 months in Great Smoky Mountains National Park · #345 of 604 destinations to visit in July · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Great Smoky Mountains National Park climate normals — July
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 173 mm / 6.8 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 11.4 h/day | |
| Daylight | 14.3 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Great Smoky Mountains National Park?
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Great Smoky Mountains National Park in July — FAQ
- Is July a good time to visit Great Smoky Mountains National Park?
- July in Great Smoky Mountains National Park: warm, soaked, with clean air — a great time to visit. It ranks #9 of 12 months for Great Smoky Mountains National Park on SeasonMap's comfort score (75/100).
- What is the weather like in Great Smoky Mountains National Park in July?
- In July, Great Smoky Mountains National Park averages a daily high of 25.5°C and a low of 16.7°C, with about 172.7 mm of rain over roughly 21.4 rainy days.
- What is the air quality in Great Smoky Mountains National Park in July?
- Great Smoky Mountains National Park has a mean US Air Quality Index of about 48 in July.