Glacier National Park weather in January
January in Glacier National Park: freezing, a little rain, with clean air — a hit-or-miss time to visit.
#10 of 12 months in Glacier National Park · #527 of 604 destinations to visit in January · comfort 42/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Glacier National Park climate normals — January
| Daytime high | -5°C / 23°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -10°C / 13°F | |
| Feels like (high) | -9°C / 16°F | |
| Rainfall | 56 mm / 2.2 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | -11°C / 12°F | |
| Sunshine | 5.1 h/day | |
| Daylight | 8.8 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 67.7 cm / 26.7 in | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Glacier National Park in January — FAQ
- Is January a good time to visit Glacier National Park?
- January in Glacier National Park: freezing, a little rain, with clean air — a hit-or-miss time to visit. It ranks #10 of 12 months for Glacier National Park on SeasonMap's comfort score (42/100).
- What is the weather like in Glacier National Park in January?
- In January, Glacier National Park averages a daily high of -5°C and a low of -10.4°C, with about 56.2 mm of rain over roughly 11 rainy days.
- What is the air quality in Glacier National Park in January?
- Glacier National Park has a mean US Air Quality Index of about 34 in January.
- Does it snow in Glacier National Park in January?
- Glacier National Park sees roughly 67.7 cm of snowfall in January.