SeasonMapJuneau weather in January
United States
January in Juneau: freezing, soaked, with clean air — not the time — 19 rainy days.
#11 of 12 months in Juneau · #1352 of 1383 destinations to visit in January · comfort 26/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Juneau in January
Other months in Juneau
Juneau's forum is blunt that Southeast Alaska's weather changes hour by hour and no one can guess it days out — rain is possible in port regardless of the season. Regulars' standard packing list: proper rain gear, layers including a fleece, and a t-shirt for the occasional warm afternoon in the 60s°F.
Add your own note from Juneau's card on the map.
Juneau climate normals — January
| Daytime high | 1°C / 33°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -4°C / 24°F | |
| Feels like (high) | -3°C / 27°F | |
| Rainfall | 241 mm / 9.5 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | -3°C / 27°F | |
| Sunshine | 1.9 h/day | |
| Daylight | 7.3 h | |
| Wind | 12 km/h / 7 mph | |
| Snowfall | 49.4 cm / 19.4 in | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Juneau in January
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyWinter / Christmas break in United States, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Juneau's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherJuneau's weather peaks June–August.
Best weatherFair weatherToughest weather
What's on in Juneau in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Eaglecrest ski season
5 Dec – 5 Apr · usuallyThe city runs its own ski hill on Douglas Island, open when the freezing level drops and usually weekends first. Maritime snow, rain at the base, no queues and nobody off a ship. Source ↗
- Season
Snow season
Ski seasonAbout 49 cm of snow falls in the month.
from the climate normals
Where is Juneau?
Juneau in January — FAQ
- Is January a good time to visit Juneau?
- January in Juneau: freezing, soaked, with clean air — not the time — 19 rainy days. It ranks #11 of 12 months for Juneau on SeasonMap's comfort score (26/100).
- What is the weather like in Juneau in January?
- In January, Juneau averages a daily high of 0.8°C and a low of -4.2°C, with about 240.8 mm of rain over roughly 18.5 rainy days.
- What is the air quality in Juneau in January?
- Juneau has a mean US Air Quality Index of about 35 in January.
- Does it snow in Juneau in January?
- Juneau sees roughly 49.4 cm of snowfall in January.