Juneau in Spring
In spring (March, April and May), Juneau sees average daytime highs around 41°F and overnight lows near 30°F, with 18.1 in of precipitation over about 50 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 30°F in early March to 54°F by late May. The sky is clear or mostly clear about 20% of the time across spring, and the air most often feels dry.
Spring is Juneau's 3rd-best season to visit on our travel score. For the whole year in context, see Juneau's year-round climate.
- Avg daytime high
- 41°F
- 3rd-warmest season
- Avg overnight low
- 30°F
- Precipitation
- 18.1 in
- 50 wet days
- Avg wind
- 4 mph
- Travel score
- 0.7
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Juneau in Spring
Over the season highs climb from about 30°F in early March to 54°F by late May.
A typical spring day in Juneau reaches about 41°F and drops to 30°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Juneau
Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 72 that feel at or below 32°F.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Juneau weather by month
How the three spring months (March, April and May) 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 Spring
The sky is clear or mostly clear about 20% of the time across spring.
Chance of precipitation in Spring
Juneau gets around 18.1 in of rain and snow over 50 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 4 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 06 min in early March to 17 h 24 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.0 kWh/m².
Is spring a good time to visit Juneau?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Juneau.
What to pack for Juneau in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Juneau sees daytime highs around 41°F and nights near 30°F. Pack a warm layer, a heavy coat and rain gear. Worth having: sun protection. About 50 days see rain.
UV index in Juneau in Spring
Clear-sky midday UV across spring averages around 4 — enough to warrant sun protection. 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.