Climateby Month

Juneau, AK weather in October

NOAA 1991-2020 normals and daily records · Juneau all year

In October, Juneau sees highs around 47°F and lows around 37°F: chilly, with rain on most days. There are about 23 days with rain or snow. Snowfall averages about 0.9 in. Pack rain gear.

Normal high
47°F
Normal low
37°F
Wet days
23
8.4 in total
Snowfall
0.9 in
normal snowfall

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high52°F42°F
Normal low41°F32°F
Chance of a wet day76%72%
Sunrise / sunset7:02 am / 6:32 pm8:10 am / 5:11 pm
Daylight11.5 h9.0 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Alaska Time).

A typical October day

  1. 6 am41°Fdew point 38°F
  2. 9 am42°Fdew point 39°F
  3. Noon45°Fdew point 40°F
  4. 3 pm45°Fdew point 39°F
  5. 6 pm43°Fdew point 39°F
  6. 9 pm42°Fdew point 39°F

NOAA hourly normals (local standard time) from Juneau Intl Airport (7 mi away); average wind 8 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow23 of 31
  • Notable rainat least 0.10 in17 of 31
  • Freezing nightslow 32°F or below8 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per October, counted from daily records for each year 1991-2020.

Rain and snow in October

Normal precipitation is 8.4 in; a dry October brings about 7.2 in and a wet one about 10.1 in (25th and 75th percentiles). About 6 days bring half an inch or more, and about 2 an inch or more. Normal snowfall is 0.9 in.

How October varies from year to year

  • Warmest October, 1991-20202018: average high 51°F
  • Coolest October2012: average high 44°F
  • Wettest October2008: 15.1 in
  • Driest October2016: 2.6 in
  • Highest reading63°F (October 1, 2018)
  • Lowest reading17°F (October 29, 2012)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

October compared with September and November

SeptemberOctoberNovember
Normal high56°F47°F38°F
Normal low44°F37°F29°F
Wet days222321
Comfortable days200
Daylight12.8 h10.3 h7.9 h

Highs change by -9°F from September and -9°F into November.

Nearby alternatives in October

How Juneau ranks in October

  • Normal high374th warmest of 378 cities; 4th of 8 in Alaska
  • Wet days376th driest of 378
  • Comfortable days334th most of 340

What to pack for Juneau in October

  • A warm jacket – lows near 37°F, highs near 47°F
  • A rain jacket or umbrella – rain or snow on about 23 days

Frost in October

The first fall frost typically comes around Oct 3; in 1 year in 10 it comes before Sep 18. All frost dates for Juneau.

Heating and cooling

October has 707 heating degree days and 0 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.

Questions

How cold is Juneau in October?

The normal high is 47°F and the normal low is 37°F. From 1991 to 2020 the coldest October reading was 17°F (most recently on October 29, 2012).

Does it rain a lot in Juneau in October?

About 23 days in October have at least 0.01 in of precipitation, and the normal total is 8.4 in. The wettest October in 1991-2020 was in 2008 (15.1 in); the driest was in 2016 (2.6 in).

Does it snow in Juneau in October?

Yes. Normal snowfall in October is 0.9 in.

Is October a good time to visit Juneau?

October ranks 8th of 12 months on our comfort score for Juneau (33 out of 100). It has almost no comfortable days. The best months are June, July and August.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Juneau Intl Airport (USW00025309), 6.5 mi NW of the city center, 16 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Juneau International (703810-25309), 6.1 mi NW of the city center, 19 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).