Juneau weather

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The weather guide for Juneau, Alaska 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.

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.

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

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

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