Will I need a jacket in Juneau in May?

Yes — average lows hit about 41°F, so plan on a warm jacket and a sweater layer.

Is May rainy in Juneau?

Expect roughly 17 days of rain across the month. Pack a compact umbrella and shoes that can handle wet pavement.

What to Pack for Juneau in May — 2026 Packing List

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Essentials

If you only pack a few things, pack these.

Waterproof rain jacketEssential
May in Juneau still averages 17 days of precipitation; a high-quality rain jacket is the most essential piece of clothing you will pack.
Fleece jacketEssential
Even when the high hits 55°F, the wind and spray near Mendenhall Glacier or on a boat tour will feel much colder, making a fleece layer necessary.
Long-sleeve shirts for layeringEssential
A mix of synthetic or merino wool long-sleeve shirts allows you to adapt as Juneau's weather changes from sunny to rainy in minutes.
Waterproof hiking boots or shoesEssential
To explore the often muddy and slick trails near Juneau, such as those on Douglas Island, waterproof footwear with excellent traction is a must.
Wool or synthetic hiking socksEssential
With average lows of 41°F, warm, moisture-wicking socks are critical for keeping your feet comfortable on long hikes or city walks.
Warm hat (beanie)Essential
A beanie is a year-round staple in Juneau and you will be grateful for it on any boat tour or when hiking at higher elevations.

Clothing

Waterproof rain jacketEssential
May in Juneau still averages 17 days of precipitation; a high-quality rain jacket is the most essential piece of clothing you will pack.
Fleece jacketEssential
Even when the high hits 55°F, the wind and spray near Mendenhall Glacier or on a boat tour will feel much colder, making a fleece layer necessary.
Long-sleeve shirts for layeringEssential
A mix of synthetic or merino wool long-sleeve shirts allows you to adapt as Juneau's weather changes from sunny to rainy in minutes.
Quick-dry hiking pantsRecommended
Jeans will get wet and stay wet in Juneau's climate; quick-dry pants are far more comfortable for exploring trails in the Tongass National Forest.
A nice outfit for dinnerOptional
While Juneau is very casual, you might want one slightly nicer, warm outfit for a special dinner at a restaurant like Tracy's King Crab Shack.

Footwear

Waterproof hiking boots or shoesEssential
To explore the often muddy and slick trails near Juneau, such as those on Douglas Island, waterproof footwear with excellent traction is a must.
Wool or synthetic hiking socksEssential
With average lows of 41°F, warm, moisture-wicking socks are critical for keeping your feet comfortable on long hikes or city walks.
Casual waterproof sneakersRecommended
For downtown Juneau errands and boardwalk strolls in May, lightweight waterproof sneakers handle the 17 average rainy days without the bulk of full hiking boots.

Accessories

Warm hat (beanie)Essential
A beanie is a year-round staple in Juneau and you will be grateful for it on any boat tour or when hiking at higher elevations.
Lightweight glovesRecommended
Even in May, your hands can get uncomfortably cold, especially during early morning activities when temperatures are closer to the 41°F average low.
Sunglasses and sunscreenRecommended
With increasing daylight, sun protection is important, particularly on the water where reflection intensifies UV exposure.
BinocularsRecommended
May is a prime time for wildlife viewing in Juneau, from bears to whales, and binoculars are essential for getting a closer look.

Local tips for Juneau in May

The Mount Roberts Tramway usually begins daily operations in May, offering stunning views of the Gastineau Channel, but be sure to bring warm layers as it's much colder at the top.

Be 'bear aware' on all trails. May is when bears become more active, so make noise while you hike and carry bear spray, especially on trails outside of the downtown Juneau area.

The first cruise ships of the season arrive in May, causing downtown Juneau to become much busier. Plan to visit popular shops and attractions early in the day to avoid crowds.

Want the full picture? 12 outfit lookbooks for Juneau in Spring, plus restaurant + day-trip dress codes →

FAQ — Juneau in May

Yes — average lows hit about 41°F, so plan on a warm jacket and a sweater layer.
Expect roughly 17 days of rain across the month. Pack a compact umbrella and shoes that can handle wet pavement.
The Mount Roberts Tramway usually begins daily operations in May, offering stunning views of the Gastineau Channel, but be sure to bring warm layers as it's much colder at the top.

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May Packing List for Juneau — What to Wear & Bring