What to Wear in Ireland Summer

When it comes to what to wear in Ireland summer, a practical, weather-smart approach to clothing that balances warmth, dryness, and comfort during unpredictable warm spells. Also known as Irish summer style, it’s not about tank tops and shorts—it’s about layers that adapt to rain one hour and sun the next. Summer in Ireland doesn’t mean beach weather like the Mediterranean. Temperatures hover around 15–20°C, but wind and sudden downpours are routine. You need clothes that handle dampness without weighing you down, and footwear that won’t turn your feet into swamp creatures.

The real secret? Hawaii slippers, cheap, grippy, quick-drying footwear that Irish families wear to the beach, garden centres, and even local festivals. Also known as flip flops, they’re not a joke—they’re a necessity for wet grass and muddy paths. Pair them with a lightweight, water-resistant jacket, a compact, windproof outer layer designed for Ireland’s gusty conditions. Also known as waterproof trench, it’s the one thing you’ll reach for even on sunny days. You’ll see them in every color, but navy and olive are the most common because they hide rain stains and last for years. Underneath, stick to breathable cotton or merino wool tees—no polyester. A high-quality t-shirt, a durable, well-stitched top made to survive repeated washes and damp Irish air. Also known as Irish-made tee, should feel solid in your hands, not flimsy. Look for thicker cotton, double-stitched seams, and minimal logos. Cheap tees fall apart after two washes here. Jeans are fine, but avoid skinny fits—they trap moisture. Straight or relaxed cuts dry faster and work better with boots or slippers.

Footwear is where most people get it wrong. Sandals? Only if they have straps and grip. Flip flops? Fine for the beach, but not for walking on cobblestones. For daily wear, go for closed-toe shoes with good tread—like the ones Irish women pick for their daily errands. And don’t forget a light cardigan or hoodie. Even in July, evenings can turn chilly, especially near the coast. The goal isn’t to look like you’re dressed for a photoshoot. It’s to stay dry, comfortable, and ready for anything—because Irish summer doesn’t wait for you to pack right.

What you’ll find below are real, practical guides from locals who’ve lived through it: why Crocs don’t fly in offices, which slippers actually last through wet kitchens, how to pick a t-shirt that won’t shrink after one wash, and why a simple waterproof jacket beats a fancy one every time. No fluff. Just what works.