Wales has more castles per square mile than any other place on Earth—a land where dragons soar on the flag and legends whisper through misty valleys. Picture starting your morning with a hike up Snowdon, standing in the shadow of the world’s first industrial UNESCO World Heritage site by lunch, and arriving in St Davids—a city so tiny it’s home to just 1,600 people—by dinner. But if you really want to make the most of this magical country, timing is everything. Here’s our guide to help you discover the best time to visit Wales.
When is the best time to visit Wales?
While there’s no single perfect answer, May and September are widely praised as top picks. These shoulder-season months offer mild weather, fewer tourists, and picture-perfect scenes all around. Think spring wildflowers blanketing coastal cliffs and golden light spilling over valley farms at harvest time.
Attractions are open and lively, but without the summer rush. If hiking’s on your list, this is it—comfortably cool, often dry, and ideal for trails that reward you with breathtaking views.
The best time to visit Wales for the beach is summer, between June and September. Rhossili Bay, Wales, UK © Steve Mann/Shutterstock
Main and shoulder seasons in Wales
Peak season in Wales runs from June to August, delivering the warmest days and sunniest skies. But be prepared: crowds flock to hotspots like Tenby and Snowdonia National Park, and prices climb higher too.
For a more relaxed experience, try the shoulder seasons. April to May and September to October still offer lovely weather—though a rain jacket is never a bad idea—and you’ll enjoy quieter attractions and better deals on where to stay.
Mount Snowdon in Snowdonia. June to October is the best time to visit Wales for outdoor activities @ Simon Bennett/Shutterstock
Weather in Wales by month
Wales has a reputation for changeable weather, but each month brings something special to discover. Here’s what to expect throughout the year.
January
January brings short, chilly days with temperatures around 37-45°F (3-7°C). Rain is likely, and you might even spot snow dusting the peaks of Snowdonia. With tourists scarce, it’s a great time to explore Wales’ historic castles and cozy up in traditional pubs. The dark winter skies also make it perfect for stargazing in the Brecon Beacons Dark Sky Reserve.
February
February continues the chill with temperatures between 37-46°F (3-8°C), though the weather can be a bit more settled. You’ll catch the first signs of spring with snowdrops and daffodils brightening the landscape. Rugby fans flock to Cardiff for Six Nations matches, giving the city a vibrant energy. Historic sites often start extending their hours too.
March
March sees temperatures rising to 41-50°F (5-10°C), and daffodils—Wales’ national flower—burst into bloom all over. Rain gear is still recommended, but with days getting longer, you’ll have extra time to explore. While it can be blustery, rainfall tends to ease up compared to winter.
Mount Tryfan above Llyn Ogwen in Snowdonia National Park in Wales © Sjhutterstock
April
By April, Wales is gently awakening, with temperatures climbing into the 45-55°F (7-13°C) range. The air carries the fresh scent of spring, and you can expect a mix of sunny skies and occasional showers that keep the countryside lush and green. With Easter events breathing life into castles and heritage sites, and the sight of lambs dotting the hillsides, there’s a genuine sense of renewal. It’s an ideal time for a visit—reasonable hotel prices, smaller crowds, and nature in full bloom before the summer rush.
May
May offers mild, pleasant weather—between 48°F and 61°F (9-16°C)—making it perfect for outdoor adventures. This is truly the month to explore Wales on foot. Hiking trails reveal breathtaking spring landscapes, while food festivals and agricultural shows celebrate Welsh culture and local flavors. You’ll get a real taste of the countryside before the summer visitors arrive. Don’t miss our recommendations for some of the best alternative hikes in Wales during this beautiful month.
June
Early summer in June greets you with warmer days, averaging 54-66°F (12-19°C), and long, bright evenings that linger until nearly 10 PM. Gardens burst with color, and coastal paths invite leisurely strolls. While you might still catch some of the quieter spring atmosphere, be prepared for prices to start climbing. To make the most of this lovely time, it’s wise to book your stay in advance.
The best time to go to Wales for walking Clwydian Range is in May © Crown Copyright 2022 Visit Wales
July
July is when Wales truly shines, with the warmest temperatures of the year—between 59°F and 70°F (15-21°C). This is peak season, especially along the coast and in popular spots like Snowdonia, so planning ahead is essential. Still, the long, sunny days and vibrant festival atmosphere make it all worthwhile. Just be sure to pack a raincoat or have a few indoor plans ready, as Welsh weather can be wonderfully unpredictable.
August
August continues the summer magic with similar temperatures, ranging from 57-68°F (14-20°C). The country is buzzing with events, and sunny beaches can get lively. While accommodation prices are at their highest, you’ll experience the full Welsh summer—food festivals, open-air concerts, and perfect conditions for hiking Snowdonia or wandering the Pembrokeshire Coast Path. Early bookings are your best friend.
September
September brings a gentle transition into autumn, with mild temperatures of 54-63°F (12-17°C) and slightly shorter days. The summer crowds have gone, leaving more space to explore, and prices begin to ease. It’s a lovely time for harvest festivals, food events, and enjoying misty morning walks through landscapes that feel touched by magic.
Parva Farm Vineyard, Wye Valley, Wales © Crown Copyright 2022
October
October unfolds with cooler days—around 48-57°F (9-14°C)—and vibrant autumn colors painting the forests and national parks. It’s a stunning time to visit, with fewer tourists and great deals on accommodations. You might need an extra layer, but the dramatic scenery and cozy Halloween events at castles and mines more than make up for it.
November
November brings crisp air and temperatures between 43-52°F (6-11°C), with increased rainfall and wind. This is the season to delve into Wales’ rich history, exploring medieval castles and charming towns without the crowds. It’s an authentic experience: quiet trails, cozy pub fires, and local festivals. You might even catch the last traces of autumn color, plus off-season rates make it easier to enjoy a little luxury.
December
December wraps Wales in a wintry embrace, with temperatures ranging from 37-46°F (3-8°C). Christmas markets and festive events at castles cast a magical spell over the country. While some attractions may have shorter opening hours, the holiday spirit is everywhere. Just remember to check schedules and dress warmly to make the most of this enchanting time.
Walking Dyfi Biosphere, eco-friendly holiday ideas, Wales © Crown Copyright 2022
Spring (March-May)
Spring brings Wales to life in a way that captures both your heart and your camera roll. Avoid the peak season rush and soak up milder weather as wildflowers bloom across the countryside and newborn lambs dot the green hills. Temperatures climb gradually from cool March mornings to genuinely pleasant May afternoons.
This shoulder season means you’ll score better deals on flights and hotels. Enjoy popular sites like Cardiff Castle and St. David’s Cathedral without the summer crowds. Just remember—Welsh weather loves surprises. Pack layers and a trusty raincoat, and you’ll be set for anything.
Summer (June-August)
Summer in Wales is all about long, bright evenings and lively energy. With daylight stretching as late as 10 PM and temperatures ranging from 59-70°F (15-21°C), the beaches buzz with energy, festivals light up towns, and hiking trails like Snowdonia and the Pembrokeshire Coast Path are at their best.
Just be smart—book your accommodations early, especially in popular coastal spots. Looking to escape the crowds? Try one of Wales’s hidden gems off the tourist trail. Yes, it’s pricier and busier, but there’s a reason summer reigns supreme. Don’t forget that rain jacket though—this is Wales, after all.
View from Cadair Idris (Penygader or Cader Idris) mountain @ sosn-a/Shutterstock
Sunflowers at Rhossili Bay on the Gower Peninsular with the Worm’s Head © jax10289/Shutterstock
Fall (September-November)
Autumn in Wales is pure magic. The summer heat mellows, crowds thin out, and the landscapes burst into shades of gold and crimson. Temperatures range from a comfortable 63°F down to a crisp 43°F (17°C to 6°C), making it perfect for scenic hikes in the Brecon Beacons or leisurely strolls through Bodnant Garden.
You’ll find fantastic hotel rates and plenty of open attractions, minus the summer rush. Food festivals pop up all over, offering a taste of authentic Welsh flavors. Stable weather and quieter trails make fall one of the best times to soak in the charm of Wales.
Winter (December-February)
Winter offers a cozy, intimate side of Wales. With temperatures between 36-46°F (2-8°C), you’ll want to dress warm, but the rewards are worth it. Christmas markets glow in city centers, pubs crackle with fireplace warmth, and hearty Welsh stews warm the soul.
Accommodation deals are at their best, and though some sites have shorter hours, the major ones remain open. Snow isn’t a given except in higher elevations like Snowdonia, but when it does dust the peaks, the views are nothing short of magical. Just check schedules and pack for all conditions.
Gower Peninsula, Wales © Shutterstock
Plan your trip with our Wales itineraries
Ready to explore Wales but not sure where to start? Dive into our expertly crafted Wales itineraries or browse our trip ideas gallery for inspiration.
Or let a local expert handle the details with our trip planning service. We take care of bookings and offer round-the-clock support so you can focus on making memories.
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