Grand Teton National Park weather in January
January in Grand Teton National Park: freezing, a little rain, with clean air — one of the weakest months to visit.
#11 of 12 months in Grand Teton National Park · #508 of 604 destinations to visit in January · comfort 45/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Grand Teton National Park climate normals — January
| Daytime high | -3°C / 26°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -11°C / 13°F | |
| Feels like (high) | -8°C / 18°F | |
| Rainfall | 76 mm / 3 in | 🌦 some rain |
| Rainy days | 15 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | -11°C / 12°F | |
| Sunshine | 5.9 h/day | |
| Daylight | 9.4 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 84.5 cm / 33.3 in | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Grand Teton National Park in January — FAQ
- Is January a good time to visit Grand Teton National Park?
- January in Grand Teton National Park: freezing, a little rain, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Grand Teton National Park on SeasonMap's comfort score (45/100).
- What is the weather like in Grand Teton National Park in January?
- In January, Grand Teton National Park averages a daily high of -3.5°C and a low of -10.6°C, with about 75.8 mm of rain over roughly 15 rainy days.
- What is the air quality in Grand Teton National Park in January?
- Grand Teton National Park has a mean US Air Quality Index of about 40 in January.
- Does it snow in Grand Teton National Park in January?
- Grand Teton National Park sees roughly 84.5 cm of snowfall in January.