Why You Should Cruise to Alaska During the Summer

If you want a taste of Alaska during the summer, picture long golden days when the sun barely sets, wildlife sightings rivaling national documentaries and ever-changing landscapes of fjords, towering glaciers and old-growth forests. That’s just the beginning of what makes a trip idea like an Alaska summer cruise so great.

The Alaska summer season is alive with outdoor activity and opportunity, and cruising is the best way to take it all in. This guide explores everything from seasonal highlights and Alaska weather insights to top itineraries and expert planning tips.

What Is Alaska Like in the Summer?

Long Days and the Midnight Sun

One of the most unique aspects of the Alaska summer season is the daylight. In the peak months of June and July, parts of the state enjoy up to 22 hours of sunlight each day. On the summer solstice, 24 hours of daylight are possible in areas like Fairbanks, Alaska. This phenomenon — known as the Midnight Sun — gives guests more time to explore and take in the awe-inspiring scenery.

With daylight that lasts nearly all night, every hour becomes a chance for adventure. Excursions stretch into the evening, and this extended daylight makes photography, hiking and sightseeing more immersive. In towns like Juneau and Skagway, twilight doesn’t come until almost midnight.

Summertime Weather in Alaska

How long is summer in Alaska? The summertime weather in Alaska — June, July and August — can be surprisingly mild, especially along the coast. However, Alaska is known for rapid weather changes, so guests should always pack layers and waterproof gear.

● Weather in Alaska in May: Still crisp, with possible snow at higher elevations, May is a great time for visiting Alaska if you prefer fewer crowds.

● Weather in Alaska in June: Typically in the 50s to 60s°F, Alaska in June brings long sunny days and blooming landscapes. 

● Weather in Alaska in July: The warmest month, July temperatures often reach into the 70s°F, making it the best time to visit Alaska if wildlife viewing and hiking are on your wish list. 

● Weather in Alaska in August: Slightly cooler and with increased rain, Alaska in August boasts lush, green scenery.

Why a Cruise Is the Best Way To Explore Alaska in Summer

Access Remote Destinations You Can’t Reach by Road

Much of the coastal areas of Alaska are inaccessible by car or train, but cruising along the Inside Passage route delivers passengers to these remote gems with the ease of onboard comfort.

A cruise lets you glide into spectacular areas like:

Tracy Arm Inlet

Sailing through Tracy Arm Fjord feels like entering a natural cathedral. Towering granite cliffs, cascading waterfalls and floating ice set a dramatic scene. The highlights include the twin Sawyer Glaciers, known for vivid blue ice and frequent calving. Watch for harbor seals on the ice and mountain goats or bald eagles on the cliffs.

Hubbard Glacier

Stretching 76 miles long and 6 miles wide, Hubbard Glacier  is the largest tidewater glacier in North America. Nicknamed the “galloping glacier” for its active calving and rapid movement, it puts on a powerful show. As your ship enters Disenchantment Bay, massive chunks of ice often crack and thunder into the sea — an unforgettable experience.

Ketchikan

Dubbed “Alaska’s First City,” Ketchikan blends frontier charm with rich Indigenous heritage. Explore the Totem Heritage Center or stroll colorful Creek Street. In summer, watch salmon leap upstream during the spawning season — a lively spectacle in this fishing capital.

Tiny Remote Villages

Alaska cruises offer rare access to roadless coastal communities. At Icy Strait Point near the Tlingit village of Hoonah, you’ll find Native-run Alaska tours, traditional dance and storytelling. These quiet stops give a glimpse into authentic Alaska life far from the crowds.

Maximize Time and Comfort

In Alaska, traveling between towns often means boats, planes or both. But on an Alaska cruise, your ship does the heavy lifting. Think of it as your moving basecamp, gliding from glacier-carved fjords to frontier towns while your suitcase stays zipped. You get the glacier view, the wildlife and the stories, as well as a warm bed and delicious meals waiting day and night. Every guest enjoys:

● Spacious rooms with glacier views.

● All-inclusive dining and curated menus. 

● Onboard activities like hot tubs, live shows and North Star viewing pods. 

● Guided excursions that connect land and sea seamlessly. 

Onboard and Onshore Experiences: Combine the Best of Land and Sea

Summer unlocks excursions that are only possible during Alaska’s warmest months:

● Glacier viewing: From your balcony, you might catch a glacier calving in real time — the kind of show nature doesn’t schedule, but summer offers the best time for front-row seats.

● On shore adventure: Hike alpine trails lined with wildflowers under the midnight sun. Paddle through glassy fjords alongside harbor seals and seabirds. Hop a helicopter to the top of a glacier, then mush across the snow behind a team of sled dogs — a thrill that’s even more surreal in July. 

● Cultural experiences: Alaska’s heart beats in its people. Explore centuries-old totem poles and clan houses in Tlingit and Haida villages, where summer festivals often bring art, drumming and dance to life. These cultural connections deepen your journey far beyond the scenery. 

Whether you're carving through coastal waters or walking where few have stepped, summer lets you experience Alaska’s wild and welcoming soul — both onboard and off.

Best Alaska Summer Cruise

Spectacular Itineraries

With Royal Caribbean Alaskan cruises, guests have options like:

● Seven-night round-trip cruises from Seattle or Vancouver.

● Northbound/southbound sailings from Seward to Vancouver — or reverse..

● Stops in Juneau, Skagway, Sitka and more.

● Scenic cruising days by Hubbard Glacier or Tracy Arm Fjord.

When To Cruise Alaska In Summer

When is summer in Alaska? The prime Alaska summer season runs from May through August. Here’s what to expect from each summer month in Alaska:

● Alaska in May: Enjoy quiet trails, fewer crowds and early Alaska summer season pricing.

● Alaska in June: Expect maximum daylight hours and great wildlife viewing.

● Alaska in July: July is the warmest month, meaning there’s a multitude of things to do in Alaska in July, making it the perfect month for family travel.

● Alaska in August: While there’s more rain in August, the extra moisture makes for incredibly lush landscapes full of wildlife and end-of-summer deals to boot.

How To Plan The Ultimate Cruise To Alaska During Summer

When To Book

● Summer cruises to Alaska fill up quickly, especially June and July sailings.

● Book six to 12 months in advance for the best cabin availability and ideal dates.

● Check the Royal Caribbean website for updated excursions.

What To Pack For An Alaskan Cruise In The Summer

● Layers: Fleece, waterproof jackets and base layers.

● Binoculars: For spotting wildlife and glaciers from your balcony.

● Day pack: For a hiking trail, shopping and shore excursion.

● Swimsuit: For the hot tub or indoor pool on board, plus any water-themed excursions that may have you dipping more than your toes.

Tips For Choosing The Right Itinerary

● Want to explore more destinations? Choose a port-intensive cruise for more stops and fewer days at sea.

● Prefer glaciers? Look for itineraries that include Hubbard Glacier or Tracy Arm.

● Consider one-way routes to see more and have more time to explore each destination’s local culture, cuisine, wildlife and historical sites.

● Evaluate ship size and onboard amenities that match your travel style.

Make The Most Of Every Port

Every stop on your itinerary brings opportunities to explore. Book shore excursions in advance to ensure availability. Activities may include:

● Flightseeing over mountain peaks.

● Guided hikes and nature walks.

● Cultural centers and totem parks.

● Dog sledding or meeting the dogs at summer training camps.

Ready To Chase The Midnight Sun? Start Planning Your Alaskan Summer Vacation

Alaska in the summer is magical. From soaring eagles and humpback whales to sunlight that stretches nearly to midnight, each day brings something new to discover. From the quiet beauty in May to the plentiful things to do in Alaska in July, a cruise to Alaska during the summer gives you the freedom to experience it all.

Royal Caribbean makes it easy to dive into this extraordinary world with the comfort of world-class ships, curated excursions and unmatched access to remote, wild places.