Juneau

Find best time to go to Juneau for holidays in 2023/2024. Find all your holiday research and inspiration.

Juneau by month

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

Alaska weather today

Check out the Alaska weather today and compare with average temperatures and hours of sunshine for September. Explore the 5-day forecast and weather by month (climate guide).

Usually in September
- 12
- 4
- 4
Weather by month
Now Today
- 9
- 0
5-day forecast

Recommended for Alaska

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.

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Destination finder

Destination

When is the best time to go to Juneau?

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

Maximum daytime temperature = 22 - 30°C [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 (°C)

-3
Jan
0
Feb
2
Mar
7
Apr
11
May
14
Jun
16
Jul
15
Aug
12
Sep
7
Oct
1
Nov
-1
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 go for the weather

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

Metric (°C / mm) | Imperial (°F / inches)

More about the USA

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.

Compare Juneau weather with the USA

Below the Juneau weather chart shows average maximum daytime temperature for Juneau, Alaska, USA and the USA (Washington).

Maximum daytime temperature (°C)

Juneau, Alaska, USA

USA (Washington)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

-3

-1