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

Juneau by month

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Alaska weather today

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

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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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]

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Max Day Temperature (°C)

  • -3°C maximum daytime temperature in January in Juneau-3
  • 0°C maximum daytime temperature in February in Juneau0
  • 2°C maximum daytime temperature in March in Juneau2
  • 7°C maximum daytime temperature in April in Juneau7
  • 11°C maximum daytime temperature in May in Juneau11
  • 14°C maximum daytime temperature in June in Juneau14
  • 16°C maximum daytime temperature in July in Juneau16
  • 15°C maximum daytime temperature in August in Juneau15
  • 12°C maximum daytime temperature in September in Juneau12
  • 7°C maximum daytime temperature in October in Juneau7
  • 1°C maximum daytime temperature in November in Juneau1
  • -1°C maximum daytime temperature in December in Juneau-1

Hours of Sunshine (daily)

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

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

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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)

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

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