Warm-summer humid continental climate
Climate Juneau - Alaska
Annual high48ºF
Annual low36ºF
Precipitation62.27 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 33 | 24 | 5.35 | 28 |
| Feb | 35 | 25 | 4.13 | 17 |
| Mar | 40 | 28 | 3.78 | 12 |
| Apr | 48 | 33 | 2.94 | 1 |
| May | 57 | 41 | 3.40 | 0 |
| Jun | 62 | 47 | 3.24 | 0 |
| Jul | 64 | 50 | 4.60 | 0 |
| Aug | 63 | 49 | 5.73 | 0 |
| Sep | 56 | 44 | 8.64 | 0 |
| Oct | 47 | 38 | 8.63 | 1 |
| Nov | 38 | 29 | 5.99 | 13 |
| Dec | 34 | 26 | 5.84 | 16 |
- JanHigh 33ºFLow 24ºFPrecip 5.35 inch
- FebHigh 35ºFLow 25ºFPrecip 4.13 inch
- MarHigh 40ºFLow 28ºFPrecip 3.78 inch
- AprHigh 48ºFLow 33ºFPrecip 2.94 inch
- MayHigh 57ºFLow 41ºFPrecip 3.40 inch
- JunHigh 62ºFLow 47ºFPrecip 3.24 inch
- JulHigh 64ºFLow 50ºFPrecip 4.60 inch
- AugHigh 63ºFLow 49ºFPrecip 5.73 inch
- SepHigh 56ºFLow 44ºFPrecip 8.64 inch
- OctHigh 47ºFLow 38ºFPrecip 8.63 inch
- NovHigh 38ºFLow 29ºFPrecip 5.99 inch
- DecHigh 34ºFLow 26ºFPrecip 5.84 inch
Climate summary
What is the average weather in Juneau, Alaska?
Juneau experiences a humid continental climate, characterized by cool summers and cold, very snowy winters. The area receives high annual precipitation, with moisture spread relatively evenly throughout the year, though fall tends to be wetter. Significant winter snowfall is a distinctive feature.
Juneau weather averages
Annual high48ºF
Annual low36ºF
Precipitation62.27 inch
Snowfall88 inch
Daily normals Juneau - Alaska - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 33.0 | 24.2 | 0.19 | 0.19 | 0.70 | 0.70 |
| Jan 2 | 32.9 | 24.1 | 0.38 | 0.38 | 1.30 | 1.30 |
| Jan 3 | 32.8 | 24.0 | 0.58 | 0.58 | 2.00 | 2.00 |
| Jan 4 | 32.8 | 24.0 | 0.78 | 0.78 | 2.70 | 2.70 |
| Jan 5 | 32.7 | 23.9 | 0.98 | 0.98 | 3.40 | 3.40 |
| Jan 6 | 32.7 | 23.8 | 1.18 | 1.18 | 4.10 | 4.10 |
| Jan 7 | 32.7 | 23.8 | 1.37 | 1.37 | 4.90 | 4.90 |
| Jan 8 | 32.6 | 23.7 | 1.56 | 1.56 | 5.60 | 5.60 |
| Jan 9 | 32.6 | 23.7 | 1.75 | 1.75 | 6.30 | 6.30 |
| Jan 10 | 32.6 | 23.7 | 1.94 | 1.94 | 7.10 | 7.10 |
| Jan 11 | 32.6 | 23.6 | 2.12 | 2.12 | 7.80 | 7.80 |
| Jan 12 | 32.6 | 23.6 | 2.31 | 2.31 | 8.60 | 8.60 |
| Jan 13 | 32.6 | 23.6 | 2.51 | 2.51 | 9.40 | 9.40 |
| Jan 14 | 32.7 | 23.6 | 2.70 | 2.70 | 10.20 | 10.20 |
| Jan 15 | 32.7 | 23.6 | 2.90 | 2.90 | 11.00 | 11.00 |
| Jan 16 | 32.8 | 23.6 | 3.09 | 3.09 | 11.90 | 11.90 |
| Jan 17 | 32.8 | 23.6 | 3.29 | 3.29 | 12.70 | 12.70 |
| Jan 18 | 32.9 | 23.6 | 3.48 | 3.48 | 13.60 | 13.60 |
| Jan 19 | 33.0 | 23.6 | 3.68 | 3.68 | 14.40 | 14.40 |
| Jan 20 | 33.1 | 23.7 | 3.87 | 3.87 | 15.30 | 15.30 |
| Jan 21 | 33.2 | 23.7 | 4.07 | 4.07 | 16.20 | 16.20 |
| Jan 22 | 33.3 | 23.7 | 4.26 | 4.26 | 17.10 | 17.10 |
| Jan 23 | 33.4 | 23.8 | 4.46 | 4.46 | 18.00 | 18.00 |
| Jan 24 | 33.5 | 23.8 | 4.66 | 4.66 | 18.80 | 18.80 |
| Jan 25 | 33.6 | 23.8 | 4.85 | 4.85 | 19.60 | 19.60 |
| Jan 26 | 33.7 | 23.9 | 5.05 | 5.05 | 20.50 | 20.50 |
| Jan 27 | 33.8 | 23.9 | 5.25 | 5.25 | 21.20 | 21.20 |
| Jan 28 | 33.9 | 24.0 | 5.44 | 5.44 | 22.00 | 22.00 |
| Jan 29 | 34.1 | 24.0 | 5.64 | 5.64 | 22.90 | 22.90 |
| Jan 30 | 34.2 | 24.1 | 5.83 | 5.83 | 23.70 | 23.70 |
| Jan 31 | 34.3 | 24.1 | 6.02 | 6.02 | 24.50 | 24.50 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Juneau - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 48.9 | 45.0 | 0.16 |
| Oct 2 | 48.0 | 45.0 | 0.29 |
| Oct 3 | 48.9 | 46.0 | 1.12 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | 52.0 | 43.0 | 0.24 |
| Oct 8 | 52.0 | 34.0 | 0.00 |
| Oct 9 | 53.1 | 30.9 | 0.00 |
| Oct 10 | 52.0 | 28.9 | T |
| Oct 11 | 45.0 | 33.1 | 0.20 |
| Oct 12 | 48.9 | 43.0 | 0.19 |
| Oct 13 | 50.0 | 33.1 | 0.00 |
| Oct 14 | 48.9 | 35.1 | T |
| Oct 15 | 53.1 | 42.1 | 1.36 |
| Oct 16 | 53.1 | 43.0 | 0.98 |
| Oct 17 | – | – | – |
| Oct 18 | 46.0 | 41.0 | 0.17 |
| Oct 19 | – | – | – |
| Oct 20 | 48.0 | 43.0 | 1.81 |
| Oct 21 | 46.0 | 39.9 | 0.27 |
| Oct 22 | 43.0 | 39.9 | 0.16 |
| Oct 23 | 46.0 | 28.9 | T |
| Oct 24 | 44.1 | 24.1 | 0.00 |
| Oct 25 | 41.0 | 23.0 | 0.00 |
| Oct 26 | 43.0 | 30.9 | 0.03 |
| Oct 27 | 50.0 | 27.0 | T |
| Oct 28 | 50.0 | 25.0 | T |
| Oct 29 | – | – | – |
| Oct 30 | – | – | – |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature53.1ºF · Oct 9
- Lowest max temperature41.0ºF · Oct 25
- Highest min temperature46.0ºF · Oct 3
- Lowest min temperature23.0ºF · Oct 25
Geo Juneau - Alaska
Location
- Country
- United States
- State
- Alaska
- County
- Juneau
- City
- Juneau
- Zip Code
- 99801
- Elevation
- 20 ft
- Longitude
- -134.42
- Latitude
- 58.30
- ICAO
- –
- IATA
- –