Great Smoky Mountains National Park weather in January
January in Great Smoky Mountains National Park: cold, soaked, with clean air — a good time to visit.
#12 of 12 months in Great Smoky Mountains National Park · #359 of 604 destinations to visit in January · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Great Smoky Mountains National Park climate normals — January
| Daytime high | 7°C / 45°F | 🧥 cold |
|---|---|---|
| Nighttime low | -1°C / 30°F | |
| Feels like (high) | 4°C / 39°F | |
| Rainfall | 159 mm / 6.3 in | ⛈ soaked |
| Rainy days | 15 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | -2°C / 28°F | |
| Sunshine | 5.9 h/day | |
| Daylight | 10.1 h | |
| Wind | 12 km/h / 8 mph | |
| Snowfall | 17.1 cm / 6.7 in | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Great Smoky Mountains National Park in January — FAQ
- Is January a good time to visit Great Smoky Mountains National Park?
- January in Great Smoky Mountains National Park: cold, soaked, with clean air — a good time to visit. It ranks #12 of 12 months for Great Smoky Mountains National Park on SeasonMap's comfort score (65/100).
- What is the weather like in Great Smoky Mountains National Park in January?
- In January, Great Smoky Mountains National Park averages a daily high of 7.3°C and a low of -1.1°C, with about 158.9 mm of rain over roughly 14.8 rainy days.
- What is the air quality in Great Smoky Mountains National Park in January?
- Great Smoky Mountains National Park has a mean US Air Quality Index of about 31 in January.
- Does it snow in Great Smoky Mountains National Park in January?
- Great Smoky Mountains National Park sees roughly 17.1 cm of snowfall in January.