Yellowstone National Park weather in January
January in Yellowstone National Park: freezing, a little rain, with clean air — a hit-or-miss time to visit.
#10 of 12 months in Yellowstone National Park · #525 of 604 destinations to visit in January · comfort 43/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Yellowstone National Park climate normals — January
| Daytime high | -6°C / 20°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -11°C / 11°F | |
| Feels like (high) | -11°C / 12°F | |
| Rainfall | 61 mm / 2.4 in | 🌦 some rain |
| Rainy days | 14 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | -13°C / 9°F | |
| Sunshine | 5.9 h/day | |
| Daylight | 9.3 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 77.1 cm / 30.4 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Yellowstone National Park in January — FAQ
- Is January a good time to visit Yellowstone National Park?
- January in Yellowstone National Park: freezing, a little rain, with clean air — a hit-or-miss time to visit. It ranks #10 of 12 months for Yellowstone National Park on SeasonMap's comfort score (43/100).
- What is the weather like in Yellowstone National Park in January?
- In January, Yellowstone National Park averages a daily high of -6.4°C and a low of -11.5°C, with about 61 mm of rain over roughly 14 rainy days.
- What is the air quality in Yellowstone National Park in January?
- Yellowstone National Park has a mean US Air Quality Index of about 42 in January.
- Does it snow in Yellowstone National Park in January?
- Yellowstone National Park sees roughly 77.1 cm of snowfall in January.