Juneau Weather in December

During December, Juneau experiences very low daytime temperatures of -1°C (30°F) and cooler nights around -6°C (21°F). December sits within the rainy season, and part of the winter season, so expect regular and often heavy snowfall.

Rainfall in Juneau in December

As part of the rainy season, Juneau sees around 19 days of rain in December, with an average of 303 mm (12 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Juneau in December

In December, expect very low temperatures in Juneau, with highs of -1°C (30°F) and lows of -6°C (21°F) at night. The month of December belongs to the winter season. Staying warm is the main priority this month, especially during mornings and evenings. At -6°C (21°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.

Sunshine in Juneau in December

The area experiences limited sunny days, amounting to roughly 43 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

Wind Speed in Juneau in December

Wind speeds average 4 m/s (8 knots) during December. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Juneau's climate page.

Juneau Temperature in December

Min Temperature -6°C (21°F)  

Max Temperature -1°C (30°F)  

Chance of Rain 63%  

Precipitation 303 mm (12 in)  

Rainy days 19 days  

Humidity 82%  

Windspeed 4 m/s (8 knots)  

Sunshine 43 hours  

Percentage Sunshine 20%  

What to Wear in Juneau in December

We recommend you pack up your warm winter gear for Juneau in December. If you have insulated boots, thermal layers, and a heavy winter coat that can handle snow and freezing temperatures it's smart to bring them. Don't forget gloves, a warm hat, and a scarf. Also bring a poncho, it will rain a lot! Waterproof everything you can. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Juneau in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

1/10

Cycling

1/10

Walking

1/10

Camping

1/10

Outdoor sports

1/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Juneau's climate page.

More climate data for Juneau

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Juneau climate overview or explore weather in the United States of America.