Glacier Bay National Park weather in January
January in Glacier Bay National Park: freezing, soaked, with clean air — one of the weakest months to visit.
#11 of 12 months in Glacier Bay National Park · #562 of 604 destinations to visit in January · comfort 32/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Glacier Bay National Park climate normals — January
| Daytime high | -2°C / 28°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -5°C / 23°F | |
| Feels like (high) | -6°C / 21°F | |
| Rainfall | 471 mm / 18.6 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | -4°C / 24°F | |
| Sunshine | 2.1 h/day | |
| Daylight | 7.2 h | |
| Wind | 17 km/h / 11 mph | |
| Snowfall | 327.7 cm / 129 in | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Glacier Bay National Park?
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Glacier Bay National Park in January — FAQ
- Is January a good time to visit Glacier Bay National Park?
- January in Glacier Bay National Park: freezing, soaked, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Glacier Bay National Park on SeasonMap's comfort score (32/100).
- What is the weather like in Glacier Bay National Park in January?
- In January, Glacier Bay National Park averages a daily high of -2.1°C and a low of -4.9°C, with about 471.4 mm of rain over roughly 20.6 rainy days.
- What is the air quality in Glacier Bay National Park in January?
- Glacier Bay National Park has a mean US Air Quality Index of about 35 in January.
- Does it snow in Glacier Bay National Park in January?
- Glacier Bay National Park sees roughly 327.7 cm of snowfall in January.