SeasonMapJuneau weather in October
United States
October in Juneau: cold, soaked, with clean air — not the time — 21 rainy days.
#8 of 12 months in Juneau · #1314 of 1383 destinations to visit in October · comfort 45/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Juneau in October
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 — October
| Daytime high | 9°C / 48°F | 🧥 cold |
|---|---|---|
| Nighttime low | 2°C / 36°F | |
| Feels like (high) | 6°C / 43°F | |
| Rainfall | 316 mm / 12.4 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 6°C / 42°F | |
| Sunshine | 3.7 h/day | |
| Daylight | 10.2 h | |
| Wind | 12 km/h / 7 mph | |
| Snowfall | 11.4 cm / 4.5 in | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Juneau in October
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.
Shoulder seasonan ordinary month(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).
Fair weatherJuneau's weather peaks June–August.
Best weatherFair weatherToughest weather
What's on in Juneau in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Wet season
MonsoonRisk21 rainy days and about 316 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Juneau?
Juneau in October — FAQ
- Is October a good time to visit Juneau?
- October in Juneau: cold, soaked, with clean air — not the time — 21 rainy days. It ranks #8 of 12 months for Juneau on SeasonMap's comfort score (45/100).
- What is the weather like in Juneau in October?
- In October, Juneau averages a daily high of 8.9°C and a low of 2°C, with about 315.8 mm of rain over roughly 21 rainy days.
- What is the air quality in Juneau in October?
- Juneau has a mean US Air Quality Index of about 31 in October.
- Does it snow in Juneau in October?
- Juneau sees roughly 11.4 cm of snowfall in October.