Juneau in Winter
In winter (December, January and February), Juneau sees average daytime highs around 28°F and overnight lows near 20°F, with 28.0 in of precipitation over about 58 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 28°F. The sky is clear or mostly clear about 17% of the time across winter, and the air most often feels dry.
Winter is Juneau's weakest season of the year to visit on our travel score. For the whole year in context, see Juneau's year-round climate.
- Avg daytime high
- 28°F
- coldest season of the year
- Avg overnight low
- 20°F
- Precipitation
- 28.0 in
- 58 wet days
- Avg wind
- 6 mph
- Travel score
- 0.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Juneau in Winter
Across winter, daytime highs hold fairly steady around 28°F.
A typical winter day in Juneau reaches about 28°F and drops to 20°F overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Juneau
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 90 that feel at or below 32°F.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Juneau weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 27° / 19° | 9.8 | 19.8 | 19.4 | 6.8 | 0.0 |
| Feb | 29° / 20° | 7.4 | 16.6 | 15.9 | 8.9 | 0.0 |
| Mar | 33° / 22° | 7.2 | 17.9 | 17.7 | 11.4 | 0.0 |
| Apr | 41° / 30° | 5.6 | 16.5 | 11.9 | 14 | 0.2 |
| May | 50° / 37° | 5.4 | 16 | 3.6 | 16.4 | 1.9 |
| Jun | 58° / 46° | 5.3 | 16.5 | 0 | 17.8 | 3.3 |
| Jul | 60° / 50° | 7.0 | 18.9 | 0 | 17.2 | 3.7 |
| Aug | 59° / 49° | 9.3 | 19.3 | 0 | 15.1 | 3.5 |
| Sep | 53° / 43° | 13.0 | 21 | 0.2 | 12.5 | 2.2 |
| Oct | 43° / 34° | 13.0 | 22.7 | 8.2 | 9.9 | 0.4 |
| Nov | 33° / 24° | 10.3 | 20.9 | 18.6 | 7.5 | 0.0 |
| Dec | 29° / 21° | 10.8 | 21.1 | 20.4 | 6.2 | 0.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 17% of the time across winter.
Chance of precipitation in Winter
Juneau gets around 28.0 in of rain and snow over 58 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 6 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 6 h 36 min in early December to 10 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 0.6 kWh/m².
Is winter a good time to visit Juneau?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Juneau.
What to pack for Juneau in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Juneau sees daytime highs around 28°F and nights near 20°F. Pack a warm layer, a heavy coat and rain gear. About 58 days see rain.
UV index in Juneau in Winter
Clear-sky midday UV across winter averages around 0. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Juneau peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 1 | 2 | 4 | 5 | 7 | 9 | 5 | 4 | 1 | 1 | 0 |
| Level | Low | Low | Moderate | Moderate | Moderate | High | Very high | High | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 2 | Moderate |
| Apr | 4 | Moderate |
| May | 5 | Moderate |
| Jun | 7 | High |
| Jul | 9 | Very high |
| Aug | 5 | High |
| Sep | 4 | Moderate |
| Oct | 1 | Low |
| Nov | 1 | Low |
| Dec | 0 | Low |
Where is Juneau?
Juneau sits at 58.3°N, 134.4°W, 56 ft above sea level, in United States. The nearest listed city is Whitehorse, 168 mi away.
Topography around Juneau
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Juneau.
Within 2 miles, the terrain around Juneau has large variations in elevation — a maximum elevation change of 3,556 ft around an average of 945 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,486 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 7,946 ft.
The land around Juneau is covered by trees (57%) within 2 miles, trees (40%) and water (22%) within 10 miles, and trees (35%), snow and ice (25%) and water (24%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Juneau (58.3019°, -134.4197°, elevation 56 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.