Juneau weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Poor
Best time to visit: April – June
What is the weather like in Juneau in May?
In May, Juneau is cool: daytime highs average 10 °C, and nights cool down to about 4 °C. The sun shines for around 7 hours a day. It rains often – on about 16 days, adding up to 128 mm. Snow falls on about 2 days. All in all, May is not an ideal month for a holiday in Juneau.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 16 h 42 min04:33 – 21:15
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 2 days1 cm or more of fresh snowAll months
- Time zone
- UTC−8America/Juneau
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 20 %17 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in May
- Sunscreen
- A jumper for the evenings
- Hat, scarf & gloves
- Rain jacket or umbrella
Juneau in May: quick answers
Is Juneau hot in May?
No. In May, Juneau is cool: daytime highs average 10 °C and nights drop to about 4 °C.
Does it rain much in Juneau in May?
It rains often – on about 16 days, adding up to 128 mm.
Juneau month by month
The whole year in JuneauAll destinations: USAWhere to go in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences