August on Anglesey? It’s the island at its absolute best. The days are long, the sea’s (just about) warm enough for a paddle, and the calendar is packed with events.
Keep the whole family entertained this summer with our round-up of August events across Anglesey.
Festivals & Big Events
Anglesey Agricultural Show
Mona Showground | 12th –13th August
It’s back! The Anglesey Show is one of the biggest events of the summer, celebrating all things rural life.
Expect livestock competitions, sheep shearing displays, food tents, local crafts, and fairground rides. It’s a brilliant day out for families, with something for everyone (even if you don’t know your Jersey from your Highland cow!).
Cemaes Bay Carnival
Cemaes Village | 3rd August
One of the highlights of the northern coast’s summer calendar, the Cemaes Bay Carnival is a proper community celebration.
Expect colourful floats, live music, fancy dress, stalls, games, and plenty of seaside spirit. It’s a lovely mix of old-school fun and local pride — perfect for families, and a great excuse to explore this pretty coastal village while you’re at it.
Music & Arts
Trearddur Bay Live Music Nights
Various pubs & venues | Every weekend in August
Trearddur Bay has a buzzing summer music scene with live bands and acoustic sets at places like The Sea Shanty and Driftwood.
Perfect for a chilled evening after a day at the beach for a sip of something strong, or a taste of something good. Treaddur Bay’s live music scene is the weekend plans you’re looking for.
Oriel Môn Summer Exhibitions
Llangefni | Ongoing
This lovely art gallery and museum is hosting summer exhibitions featuring local artists, including a celebration of Kyffin Williams’ work. Cool off (or dry off) inside and soak up some of Anglesey’s arts & culture.
Outdoor & Coastal Events
Menai Strait Regattas
Menai Bridge, Beaumaris & beyond | Throughout August
If you love boats or just a good excuse for a picnic with a view, catch the traditional sailing regattas held all month along the Menai Strait. It’s one of those timeless Anglesey events that make summer feel extra special.
Guided Wildlife Walks
Various Locations | Selected dates in August
Join an expert guide for a walk along the dramatic coastal paths of Anglesey. You might spot puffins, choughs, propoises, or even a seal or two. Great for families, and the views are unbeatable.
RNLI Beaumaris Lifeboat Day
August 23rd – RNLI Centre, Beaumaris
The RNLI team are hosting a fun family day out celebrating and fundraising for Beaumaris Lifeboat Station. Expect stalls, local businesses and demonstrations on the day, something I’m sure the kids will love!
Earthly Feasts – Last of the Summer Rays
August 23rd & 24th – Ty Capel, Holyhead LL65 2SJ
The Earthly Feasts team are hosting an exquisite 5-course menu featuring wild flavours and foraged touches. See images below for menu details & pricing. For more information, check out the Earthly Feasts website.
Markets & Pop-Ups
Llangefni Market
Llangefni Town Centre | Every Thursday
Fresh produce, handmade crafts, plants, and the odd sweet treat — this market is a mid-week favourite for locals and visitors alike.
Rhosneigr Artisan Pop-Ups
Rhosneigr | 9th & 23rd August
Keep an eye out for pop-up stalls along the high street, with handmade jewellery, Welsh gifts, and beach-inspired bits and bobs. A nice way to support local makers and pick up something unique. Further details can be found on the Facebook page.
Just in Case (Indoor Options)
Anglesey Sea Zoo Summer Trail
Brynsiencyn | Daily
There’s a summer trail around the Sea Zoo with stamps, sea creatures, and silly facts to discover. It’s mostly undercover too — ideal for those ‘iffy’ weather days.
And if the Sea Zoo doesn’t entice you…
You know what Welsh summers can be like… If the rain rolls in, there are still loads of options.
Try the Anglesey Transport Museum for some vintage charm, or grab a coffee and a book in Beaumaris’s lovely cafes.
The Ucheldre Centre in Holyhead often has indoor performances and film screenings too, perfect for those grey afternoons.
Explore Anglesey’s Top Events This August!
August is the heartbeat of our summer here on Anglesey. Whether you’re in it for the shows and food fests or prefer quieter moments on the headlands, there’s something for every kind of explorer this month.
Tip: Lots of events are popular and some require booking, so it’s worth checking dates and times in advance.
Got an event to shout about?
Drop me a message — If you have an event you want to shout about, let me know!
