What to wear on an Alaska cruise in July comes down to layers: a base layer or tee, a warm knit or fleece for the chilly mornings, and a packable waterproof shell for the rain and wind on deck. Trainers or waterproof boots beat sandals on every excursion, and one warmer coat covers sail-away, glacier viewing and the walk to dinner.
July is the warmest month Alaska gets, and “warmest” here still means jumper weather with the odd spell of proper sun. Mornings at the rail can feel like October at home, the afternoon in port can feel like a decent spring day, and the evening back on deck drops again the second the sun dips behind a mountain.
These 20 outfits are built for a ship that runs warm indoors and a destination that stays chilly outdoors whatever month you sail in. Boarding day, the pool deck, excursions, sail-away and both formal nights all get their own looks, and most of them share the same trainers, boots and one good coat.
What Should You Wear on an Alaska Cruise in July?
What you should wear on an Alaska cruise in July is a few thin layers rather than one thick one, topped with a waterproof shell, plus trainers or walking boots for every port day and one warm coat you can live in on deck.
- Morning cold. Temperatures on deck first thing can sit in single figures Celsius. A base layer under a knit beats one chunky jumper on its own, because you can take a layer off once the sun gets going.
- Afternoon sun. Ports can turn warm by early afternoon, especially inland. Sunglasses and a light top under your jacket save you carrying a coat you don’t need for two hours.
- Rain. Showers roll through fast and without much warning. A packable waterproof shell does more than any umbrella, which the wind will turn inside out anyway.
- Wind on deck. Sail-away and glacier viewing both happen in a wind that doesn’t care how nice your jacket looks. A hood and a proper zip matter more than the colour.
- Footwear. Chunky trainers or waterproof walking shoes handle wet decks, cobbles and gravel paths far better than anything open-toed.
Which outfit for which day?
| Your day | Outfits to look at |
|---|---|
| Boarding day | 1, 2 |
| Sea days and scenic cruising on deck | 3, 4 |
| Walking round a port town | 5, 7, 9 |
| Hiking or wildlife excursion | 6, 8 |
| Glacier viewing or a railway excursion | 10, 11, 12 |
| Casual dinner | 13, 14, 15, 16 |
| Formal night | 17, 19 |
| Relaxed evenings and late café stops | 18, 20 |
What to Wear for Boarding Day on an Alaska Cruise
1. Cable Knit over Wide-Leg Trousers

An oversized cream cable knit jumper over chocolate brown wide-leg trousers is the sort of thing you can wear from the taxi queue to the muster drill without changing once. The knit is a proper thick jumper, not a thin layer that folds flat in your case, so it earns its space.
White chunky trainers keep your feet comfortable through however many hours of standing around the terminal the boarding process throws at you. Add a tote big enough for your passport, boarding pass and the paperback you won’t read until day three.
Best for: arriving at the terminal and boarding on a crisp July morning.
Shop the look: cream cable knit jumper · brown wide-leg trousers
2. Cropped Puffer over a Knit Co-ord

A cropped cream puffer over a matching oatmeal ribbed knit top and wide-leg trousers looks like you planned the whole outfit in one go, because you did. The puffer is a structured quilted coat rather than a gilet, so it actually keeps the wind off while you wait by the gangway.
Big sunglasses and gold hoops dress it up a touch for the boarding photos everyone takes whether they mean to or not. Chunky white trainers and a tan crossbody bag finish it off.
Best for: a put-together but warm look for walking onto the ship.
Shop the look: cream cropped puffer jacket · oatmeal knit co-ord set
What to Wear on Sea Days on an Alaska Cruise in July
3. Grey Chunky Jumper and Light Jeans

An oversized grey chunky jumper over light blue straight-leg jeans is what you want on when the ship’s gliding past glaciers and you’re stood on deck trying to work out if that’s a whale or just a wave. Big enough to trap some warmth, soft enough that you won’t be fidgeting with it for three hours while everyone photographs the same mountain.
Brown leather walking boots keep your feet dry on a deck that’s often damp whatever the weather’s doing. A woolly bobble hat and oversized aviators do the actual work of keeping you warm and stopping you squinting at the glare off the water, and small gold hoops are the one bit of effort you need to make.
Best for: sea days and scenic cruising on deck.
Shop the look: grey chunky knit jumper · brown leather walking boots
4. Cream Roll-Neck and Dark Jeans

An oversized cream chunky roll-neck over dark indigo straight-leg jeans is the sort of thing you can wear from breakfast to the last glacier announcement without once thinking about it again. It’s warm without the bulk of a coat, and it still looks like you made an effort rather than grabbed whatever was clean.
A rust ribbed beanie and tan leather walking boots mean you can actually stand at the rail for more than two minutes before the cold chases you inside. Layered gold necklaces and oversized sunglasses keep it from looking too practical, because there’s a limit.
Best for: sea days and glacier mornings on deck.
Shop the look: cream roll-neck jumper · tan leather walking boots
What to Wear on Port Days and Excursions in Alaska
5. Plaid Flannel and Cargo Trousers

A red buffalo check flannel shirt buttoned over a white tee, with olive cargo trousers, is the outfit that looks right in every port town photo you’ll take. It’s a proper shirt layer rather than something you’d wear as a robe over pyjamas, so it works just as well open or done up.
White chunky trainers and a baseball cap round it off for a day spent on cobbles and gravel rather than carpet.
Best for: a day exploring the port town on foot.
Shop the look: red buffalo check flannel shirt · olive cargo trousers
6. Sherpa Denim Jacket and Leggings

A sherpa-lined denim jacket over black ribbed leggings is built for a forest trail, not a photo op, which is exactly what you want on an excursion that involves bears, trees and the chance of both at once. The lining does the actual work of keeping you warm.
A grey beanie and chunky trainers finish it, because heeled anything on a forest path is a decision you’ll regret by the second mile.
Best for: a wooded hike or wildlife-watching excursion.
Shop the look: sherpa lined denim jacket · black ribbed leggings
7. Colour-Block Puffer and Jeans

A glossy cobalt and lilac colour-block puffer worn open over a plain white tee and light straight-leg jeans covers you for the port day where the forecast says sun, rain and sun again, sometimes all before lunch. The shell is lightweight and waterproof, not a heavy coat you’ll regret carrying.
A beanie, big sunglasses and gold hoops keep it from looking purely practical, and chunky trainers handle wet pavements without complaint.
Best for: a day with a chance of rain between glacier views.
Shop the look: colour block puffer jacket · light wash straight-leg jeans
8. Cord Trousers with a Chunky Knit

Rust corduroy trousers tucked into tan ankle boots, with a thick cream cable knit jumper on top, is the look for a slower afternoon: browsing the dock shops, finding a coffee, not covering any real distance. The jumper is a proper thick knit, the sort that earns its bulk in your case.
A structured tan tote carries everything you’ll want to buy and nothing you packed for the occasion.
Best for: a brisk afternoon browsing the dock or a gentle walk.
Shop the look: rust corduroy trousers · cream cable knit jumper
9. Tartan Mini with Thermal Tights

A tartan wool mini skirt over black thermal tights, with a forest green roll-neck jumper, is proof you don’t need to choose between looking put together and keeping your legs warm. The tights are opaque and properly thermal, not the thin kind that do nothing below ten degrees.
A beanie and chunky trainers keep the whole thing walkable rather than just photographable.
Best for: a stylish but warm look for sightseeing in town.
Shop the look: tartan wool mini skirt · black thermal tights
10. Long Belted Puffer over a Striped Top

A long belted sage green puffer coat, open over a navy and white striped top and black leggings, is the one to reach for when the itinerary says glacier day. It’s a proper coat, long enough to matter, zipped against whatever wind the glacier decides to send your way.
A cable-knit beanie, big sunglasses and chunky boots handle the uneven ground that always seems to turn up on these excursions.
Best for: a brisk walking tour or railway excursion day.
Shop the look: sage green belted puffer coat · striped navy white top
What to Wear for Sail-Away and Glacier Viewing on an Alaska Cruise
11. Cream Puffer with a Faux Fur Hood

A cream puffer with a faux fur trimmed hood, worn over a fitted black top and wide-leg jeans, is the coat for standing at the rail while the ship edges past a glacier and everyone around you pretends the cold isn’t getting to them. It’s a proper warm coat, not a fashion jacket borrowing the shape of one.
Ankle boots and layered gold necklaces keep it from looking purely functional, and the hood means you can stay out there longer than anyone else.
Best for: scenic cruising and glacier viewing from the deck.
Shop the look: cream faux fur hood puffer · wide-leg denim jeans
12. Oversized Cardigan over a Satin Cami

A chocolate brown oversized cardigan over a fitted bronze satin cami and black trousers is the outfit for watching the scenery go by with a drink in hand before dinner. The cami is a structured fitted top underneath, not a wrap that needs constant adjusting.
Ankle boots and layered gold necklaces take it from deck rail to dinner table without a change.
Best for: an evening on deck watching the scenery before dinner.
Shop the look: brown oversized cardigan · bronze satin cami top
What to Wear to Dinner on an Alaska Cruise
13. Sequin Mini Skirt with a Knit Top

A silver sequin mini skirt with a fitted ivory knit top is dressed-up without tipping into gown territory, which is exactly the pitch for a casual dinner night. The knit keeps the top half warm in a dining room that runs colder than the rest of the ship.
Black heeled ankle boots and gold hoops are the only extras it needs.
Best for: a dressed-up casual dinner night.
Shop the look: silver sequin mini skirt · black heeled ankle boots
14. Satin Co-ord with a Cropped Blazer

An emerald satin cami and matching midi skirt, under a black cropped blazer, sits exactly between smart and comfortable, which is where most Alaska dinner nights land. The skirt is midi length, the blazer is cropped and structured, so neither piece is doing too much.
Black strappy heels finish it for a dining room evening that feels a little special without requiring sequins.
Best for: a smart casual dinner night that still feels special.
Shop the look: emerald satin co-ord set · black cropped blazer
15. Ribbed Knit Midi Dress and Cropped Cardigan

An ivory ribbed knit midi dress with a cropped cardigan over the shoulders is the sort of outfit that looks like you tried without admitting you tried. Ribbed knit skims rather than clings, which is exactly what you want after the bread basket, and the cardigan gives you somewhere to put your arms if the dining room’s gone a bit chilly from the air con.
Silver platform trainers keep it smart casual rather than “I’ve come straight from the gym”, and sparkly crystal drop earrings with a pearl bracelet do the dressing up for you so the dress doesn’t have to work too hard.
Best for: smart casual dinners.
Shop the look: ivory ribbed knit midi dress · silver metallic platform trainers
16. Leopard Satin Midi with a Fitted Top

A leopard print satin midi skirt with a black fitted long-sleeve top does the heavy lifting on a night when you want one statement piece and nothing else competing with it. The skirt falls below the knee, so it’s warm enough on its own without tights.
Black heels and a gold cuff bracelet are all it asks for.
Best for: a statement-print look for a casual dinner evening.
Shop the look: leopard print satin midi skirt · black fitted long-sleeve top
What to Wear in the Evenings on an Alaska Cruise
17. Emerald Cocktail Dress with a Faux Fur Wrap

An emerald bodycon cocktail dress at midi length, with a cream faux fur stole over the top, is built for the main formal night dinner and the walk there through corridors that are always colder than the restaurant itself. The dress is a structured cocktail shape rather than a full-length gown, so it works just as well for photos as it does for sitting down to a three-course meal.
Black heels and statement earrings are the only additions it needs.
Best for: the main formal night dinner on an Alaska cruise.
Shop the look: emerald green cocktail dress · cream faux fur stole
18. Turtleneck Jumper and Satin Midi Skirt

This one’s for the nights when “smart” doesn’t have to mean stiff. An oversized taupe chunky turtleneck jumper goes over a champagne satin midi skirt, so you get cosy on top and a bit of shine underneath. It’s the sort of pairing that looks like you thought about it for ages when really it took two minutes.
Cream pointed ankle boots keep it grounded rather than dressy-dressy, and a gold chain necklace with a stack of gold rings adds just enough polish for the deck rail photos.
Best for: relaxed evenings and pre-dinner drinks.
Shop the look: taupe chunky turtleneck jumper · champagne satin midi skirt
19. Sequin Midi with a Draped Blazer

A black sequin midi dress with a white structured blazer draped over the shoulders, rather than buttoned up, gets the sparkle of formal night without losing the extra layer a cold dining room always seems to need. Draping the blazer rather than wearing it properly also means you can take it off the second you sit down.
Black heels and gold hoop earrings are the only extras.
Best for: a sparkly but warm formal night outfit.
Shop the look: black sequin midi dress · white structured blazer
20. Sherpa Denim Jacket and Jeans

An oversized sherpa-collared denim jacket over a pale pink ribbed vest is the sort of thing you throw on without thinking and somehow look pulled together anyway. Light wash straight-leg jeans keep it relaxed, and the sherpa collar means you’ve got a bit of warmth built in when the ship’s air conditioning gets ideas above its station.
An olive beanie and silver trainers push it slightly off-duty rather than scruffy, and a few fine gold necklaces stop the whole thing looking too thrown-together. Good for wandering up to the café deck when you can’t face getting properly dressed but don’t want to look like you’ve given up either.
Best for: Casual evenings and late-night café stops.
Shop the look: sherpa collar denim jacket · silver metallic trainers
How to Pack Layers for an Alaska Cruise in July
Alaska in July can swing from brisk single figures at seven in the morning to a pleasant afternoon in the high teens, sometimes on the same day, which makes layers the only sensible packing strategy. A base layer, a mid-layer knit or fleece and a packable waterproof shell cover almost everything the weather throws at you without filling a second case.
- Base layer: a thin long-sleeve top or thermal vest under everything else, for the coldest mornings on deck
- Mid layer: one or two chunky knits and a fleece, the pieces doing most of the actual warming
- Outer layer: a packable waterproof shell that folds into itself, for rain and wind rather than warmth
- Bottoms: jeans, cords and leggings that layer over thermal tights on the coldest days
- One proper coat: for sail-away and glacier viewing, something long enough and warm enough to stand still in for twenty minutes
Pack fewer dresses than you think you need and more knits than feel reasonable. You can dress a knit up with jewellery far more easily than you can make a summer dress warm.
Alaska Cruise Formal Night Dress Codes Explained
A typical Alaska sailing has one or two formal nights on a seven-night cruise, usually called “formal optional” or “elegant casual” rather than strict black tie. In practice that means a cocktail dress or smart separates are entirely normal, and nobody is checking for a floor-length gown.
Alaska formal nights run noticeably more relaxed than the equivalent night on a Caribbean sailing, partly because fewer passengers pack ballgowns for a cold-weather destination and partly because the mood on board tends to follow the scenery. A structured midi dress or a sequin skirt with a knit top is exactly what most people wear.
What Shoes to Pack for an Alaska Cruise
Chunky trainers or waterproof walking shoes beat heeled sandals for every port day and excursion on an Alaska cruise, because the ground is wet, uneven or both more often than it’s flat and dry. Cobbled port streets, forest trails and the odd set of steps without a handrail all reward grip over style.
One pair of dressy flats or low heels is enough to cover every dinner and both formal nights. Nobody needs three evening shoe options for a cruise where most of the day is spent in trainers anyway.

Alaska Cruise Outfit FAQs
What is the weather like in Alaska in July?
The weather in Alaska in July runs from brisk mornings to pleasant, often sunny afternoons, with quick-moving rain showers mixed in. Layers matter more than any single coat, and the wind on deck is colder than the air temperature suggests.
What is the average temperature in Anchorage, Alaska in July?
The average temperature in Anchorage in July sits in the mid teens Celsius, cooler by the water and warmer inland. A knit under a waterproof shell covers most days without needing a heavier coat.
Can you see the northern lights in Alaska in July?
You can’t really see the northern lights in Alaska in July. The sky stays light for most of the night this far north in summer, and proper darkness doesn’t return until late August at the earliest.
More Alaska Cruise Outfit Guides
- Alaska cruise outfits by month
- Alaska cruise outfits in May
- Alaska cruise outfits in June
- Alaska cruise outfits in August
- Alaska cruise outfits in September
- Cruise formal night outfits
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About the author
Zoe Richards is About2Cruise’s fashion contributor. Parsons-trained and based in Miami, she writes our outfit guides with one test in mind: does it still work at the end of a long port day? More from Zoe