The weather in Juneau in October is very cold with temperatures between -1°C and 4°C, warm clothes are a must.
There’s going to be many days of rain during the month of October in Juneau.
Juneau should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
You can expect a few days of snow in Juneau during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Juneau.
Our weather forecast can give you a great sense of what weather to expect in Juneau in October 2025.
If you’re planning to visit Juneau in the near future, we highly recommend that you review the 14 day weather forecast for Juneau before you arrive.
Temperatures
4° / -1°
Rainy Days
16
Snowy Days
7
Dry Days
8
Rainfall
506
mm
Sun Hours
5.2
Hrs
