21 Formal Summer Wedding Guest Outfits for Men

ByJennifer Willis
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Looking for 21 formal summer wedding guest outfits for men? You’ll need to dress sharp while staying cool. Wedding invitations can be tricky to decode, but we’ve got you covered with stylish options that respect the dress code and keep you comfortable.

Classic Navy Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a tailored navy blue suit with a white dress shirt, pale blue tie, and brown leather shoes at an outdoor summer wedding venuePin

You can’t go wrong with a navy suit.

Pick a lightweight fabric like cotton or linen blend to stay cool.

Pair it with a crisp white shirt and add a colorful pocket square or tie to bring some summer vibes to your look.

Light Gray Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a light gray suit with a pastel shirt, patterned tie, and black dress shoes standing near wedding flowersPin

A light gray suit gives you that formal look without the heat of darker colors.

Choose a breathable wool or cotton blend.

Add a pastel shirt and patterned tie for a touch of personality while keeping things wedding-appropriate.

Tan Linen Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a tan linen suit with an open-collar white shirt, no tie, and loafers at a beachside wedding settingPin

Linen was made for summer weddings.

A tan suit keeps you looking smart while the natural fabric breathes in the heat.

Expect some wrinkling—it’s part of linen’s charm.

Pair with a white shirt for a clean, fresh look.

Seersucker Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a blue and white seersucker suit with a solid tie, white pocket square, and brown wingtip shoesPin

This southern classic is perfect for summer.

The puckered fabric keeps air flowing and helps you stay cool.

Go with traditional blue and white stripes or try newer colors like gray or tan.

Add a solid tie to balance the pattern.

White Dinner Jacket

A professional photo, similar to a photo in a wedding magazine, of a man wearing a white dinner jacket, black tuxedo pants, black bow tie, and patent leather shoes at an elegant garden venuePin

For evening summer weddings, try a white dinner jacket with black tuxedo pants.

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This classic look dates back to hot colonial nights when dark jackets were too warm.

Keep accessories simple with a black bow tie and pocket square.

Khaki Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a khaki suit with a light blue shirt, floral tie, and brown suede loafers at a garden weddingPin

A khaki suit works well for less formal summer weddings.

Pick a structured cut to keep it looking sharp, not casual.

Add color with your shirt and tie choices—pastels and florals work great for summer celebrations.

Light Blue Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a light blue suit with a white shirt, navy tie, and brown leather shoes at a waterfront weddingPin

A light blue suit captures the summer sky and sea.

This refreshing choice stands out while still looking appropriate.

Pair with white shirt and navy tie for a classic combo, or get creative with patterned shirts and bold ties.

Cream Linen Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a cream linen suit with a light pink shirt, no tie, and tan loafers at a sunset beach weddingPin

Cream linen offers an elegant summer look.

This lighter option works especially well for daytime or beach weddings.

Skip the tie for a more relaxed vibe, or add a pastel tie to keep things more formal.

Olive Green Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing an olive green suit with a white shirt, brown tie, and cognac shoes at a rustic outdoor weddingPin

An olive suit gives you a nature-inspired look that’s perfect for garden or woodland weddings.

This underused color pairs wonderfully with brown or tan accessories.

Add a white or cream shirt to brighten the outfit.

Charcoal Suit With Summer Twist

A professional photo, similar to a photo in a wedding magazine, of a man wearing a lightweight charcoal suit with a pastel shirt, bright pocket square, and black shoes at a formal venuePin

Your winter charcoal suit can work for summer with the right touches.

Choose the lightest weight you own and brighten it with summer-friendly accessories.

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A pastel shirt, bright pocket square, or floral tie makes it season-appropriate.

Black and White

A professional photo, similar to a photo in a wedding magazine, of a man wearing a black suit, crisp white shirt, black tie, and black dress shoes at an evening wedding receptionPin

For very formal summer weddings, the classic black suit still works.

Opt for the lightest weight wool you can find.

Keep everything else simple—white shirt, black tie, minimal accessories—for a timeless look that never fails.

Windowpane Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a blue windowpane suit with solid shirt, coordinating tie, and brown shoes at a garden receptionPin

A subtle windowpane pattern adds interest without being too loud.

Pick a light base color like blue or gray with a contrasting check.

Keep your shirt solid to let the suit pattern be the star of your outfit.

Three-Piece Light Wool Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a three-piece light gray wool suit with subtle pattern, purple tie, and black shoes indoorsPin

For air-conditioned venues, a lightweight three-piece suit gives you options.

You can keep the vest on for formal photos, then remove your jacket later for dancing.

Choose breathable wool in a light color.

Bold Blue Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a bright blue suit with white shirt, patterned tie, and brown shoes at a colorful summer celebrationPin

Brighter than navy but still wedding-appropriate, a bold blue suit shows personality.

This eye-catching choice works well for less traditional weddings.

Balance it with simpler shirts and accessories to avoid looking overdressed.

Subtle Pinstripe Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a light gray pinstripe suit with solid blue shirt, silver tie, and black shoes at a formal venuePin

A fine pinstripe adds texture without heat.

Choose light colors like gray or tan with thin, subtle stripes.

This option bridges the gap between plain and patterned, giving your look depth without making you sweat.

Textured Linen Blend

A professional photo, similar to a photo in a wedding magazine, of a man wearing a textured beige linen blend suit with light green shirt, brown tie, and tan shoes at an outdoor weddingPin

Linen blends offer texture without extreme wrinkling.

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These suits give you the breathability of linen with better structure.

The natural texture means you can keep accessories simple—the fabric adds visual interest on its own.

Pastel Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a pale pink or mint green suit with white shirt, floral tie, and white shoes at a garden weddingPin

Brave guests can try pastel suits for summer weddings.

Soft pink, mint, or lavender make a statement while staying seasonal.

Check the dress code—these bold choices work best for less formal or beach weddings.

Cotton Twill Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a navy cotton twill suit with striped shirt, solid tie, and brown loafers under shade treesPin

Cotton twill gives you structure and breathability.

This durable fabric holds its shape better than linen while still keeping you cool.

Navy, olive, or tan twill suits transition well from ceremony to reception without wilting.

Tropical Wool Suit

A professional photo, similar to a photo in a wedding magazine, of a man wearing a medium gray tropical wool suit with light blue shirt, dark tie, and black shoes at an indoor venuePin

Don’t let the name fool you—tropical wool is perfect for summer.

This lightweight, breathable wool keeps its shape while wicking moisture.

The matte finish looks great in photos, too.

Available in any color, but light shades work best.

Unstructured Blazer and Trousers

A professional photo, similar to a photo in a wedding magazine, of a man wearing an unstructured navy blazer, light gray trousers, patterned shirt, and brown loafers at a semi-formal garden weddingPin

For casual summer weddings, try separates.

An unstructured blazer with matching or contrasting trousers gives you flexibility.

The relaxed construction keeps you cool while still looking put-together.

Add a pocket square for polish.

Summer Tuxedo

A professional photo, similar to a photo in a wedding magazine, of a man wearing a white or ivory dinner jacket, black tuxedo pants, black bow tie, and formal shoes at a black-tie summer eventPin

When the invitation says black tie, a summer tuxedo is your answer.

White or ivory dinner jackets with black tuxedo pants look formal while keeping you cooler.

Follow all black tie rules—formal shirt, bow tie, and proper shoes.

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