Which is the warmest month in Juneau?

The warmest time of year in Juneau is normally July. Expect maximum daytime temperatures to reach 16°C.

Which month has the most rain in Juneau?

In terms of rainfall, October is usually the wettest month in Juneau with 253mm on average. There are normally 22 days in October with some rain.

When is it sunniest in Juneau?

The sunniest time of year in Juneau is normally May with bright sunshine on average for 43% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in Juneau?

The sea is usually at its warmest in Juneau in August when the water temperature reaches 13°C.

Best time to visit Juneau

Q: When is the best time to visit Juneau?

The best time to visit Juneau is May based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Find the best time to visit Juneau and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Juneau by month

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

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When is the best time to visit Juneau?

The best time to visit Juneau is May based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0.5
Mar
1.5
Apr
1.5
May
1.5
Jun
1.5
Jul
1
Aug
0.5
Sep
0
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°F)

27
Jan
32
Feb
36
Mar
45
Apr
52
May
57
Jun
61
Jul
59
Aug
54
Sep
45
Oct
34
Nov
30
Dec

Hours of Sunshine (daily)

3
Jan
3
Feb
4
Mar
6
Apr
7
May
6
Jun
6
Jul
5
Aug
4
Sep
2
Oct
2
Nov
1
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Alaska (Juneau) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)