Juneau weather in June 2027

Q: How warm is it in Juneau in June?

Daytime temperatures usually reach 16°C in Juneau in June, falling to 8°C at night.

Q: How sunny is it in Juneau in June?

There are normally 9 hours of bright sunshine each day in Juneau in June - that's 48% of daylight hours.

Q: Is the sea cold around Juneau in June?

The average sea temperature around Juneau in June is 10°C.

Q: Does it rain in Juneau in June?

There are usually 9 days with some rain in Juneau in June and the average monthly rainfall is 30mm.

Expect daytime maximum temperatures of 14°C in Juneau, Alaska in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 92 mm of rainfall in the month.

14
14°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
5
5°C min night temperature
18
18 hours of daylight per day
0
No heat & humidity
92
92 mm of monthly rainfall
5
5 (Moderate) UV index
10
10°C sea temperature

More about Juneau

Juneau by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Alaska

Much Better Adventures: 10% off any trip worldwide

Exclusive

Save EXTRA 10% on all active adventure holidays
Trips to Europe, Asia, Africa, Americas & Oceania
Book online with exclusive discount code

Show discount code

******W2T

Redeem Much Better Adventures discount code >>

Expires at 23:59 on Tuesday 20th Jul 2027 · View all Much Better Adventures offers

The June weather guide for Alaska (Juneau) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.