North Cascades National Park weather in January
January in North Cascades National Park: freezing, soaked, with clean air — one of the weakest months to visit.
#11 of 12 months in North Cascades National Park · #578 of 604 destinations to visit in January · comfort 30/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
North Cascades National Park climate normals — January
| Daytime high | -6°C / 22°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -11°C / 13°F | |
| Feels like (high) | -9°C / 16°F | |
| Rainfall | 291 mm / 11.5 in | ⛈ soaked |
| Rainy days | 20 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | -11°C / 12°F | |
| Sunshine | 4.1 h/day | |
| Daylight | 8.8 h | |
| Wind | 7 km/h / 4 mph | |
| Snowfall | 284.5 cm / 112 in | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is North Cascades National Park?
Loading map…
North Cascades National Park in January — FAQ
- Is January a good time to visit North Cascades National Park?
- January in North Cascades National Park: freezing, soaked, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for North Cascades National Park on SeasonMap's comfort score (30/100).
- What is the weather like in North Cascades National Park in January?
- In January, North Cascades National Park averages a daily high of -5.7°C and a low of -10.8°C, with about 291.2 mm of rain over roughly 19.6 rainy days.
- What is the air quality in North Cascades National Park in January?
- North Cascades National Park has a mean US Air Quality Index of about 34 in January.
- Does it snow in North Cascades National Park in January?
- North Cascades National Park sees roughly 284.5 cm of snowfall in January.