Summer Cycling in Ireland: Long Days and Busy Roads

June to August brings the longest daylight of the year and the heaviest tourist traffic. Six routes, with booking and gear notes for the season.

A rocky foreground overlooking Keel Beach, a long sandy shoreline, green fields, and the blue Atlantic Ocean.
Keel Beach, Achill Island, Co Mayo Coutesy Christian McLeod

Introduction

From late-June to early-August the country gets up to 17½ hours of daylight. That is the real argument for a summer trip: the day is long enough to sit out the middle of it and still ride two good stretches. Temperatures are warm by Irish standards, which is not the same thing as warm. Greenways, road climbs and mountain-bike trails are all in decent condition at the same time of year, which is not true in February.

The catch is that everyone else has worked this out too. Beds in the greenway towns go early, the Ring of Kerry carries more traffic in July than at any other point in the year, and hire bikes sell out.

Planning Your Summer Ride

Daylight and Weather at a Glance

MonthAverage Daylight (hrs)Avg. Max Temp (°C)Typical Sunny Days
June16.5, 17.015-1812-14
July17.0, 17.516-2013-15
August16.0, 16.515-1911-13

Source: Met Éireann climate averages 2020-2024.

The longest daylight occurs around the summer solstice (21 June) when the sun rises near 4:45 am and sets after 22:00 pm in the west. Planning early-morning starts (around 6 am) lets you beat the heat, while late-evening rides reward you with spectacular sunsets over the Atlantic.

Choosing the Right Bike

TypeIdeal TerrainSummer Benefits
Road bikePaved greenways, low-traffic country roadsEfficient on long distances; thin tyres keep rolling resistance low in warm weather.
Hybrid/Gravel bikeMixed surfaces, coastal paths with occasional gravelVersatile for greenways that have short unpaved sections (e.g., Waterford Greenway).
Mountain bikeForest tracks, rugged climbs (Ballyhoura, Slieve Bloom)Wider tyres provide stability on loose surfaces; better for sudden rain showers.

If you’re travelling light, a gravel bike offers the best compromise, fast on tarmac yet capable on the occasional off-road stretch you’ll meet on many summer routes.

Booking Accommodation

Summer is peak tourist season, so book well in advance, especially for popular greenway towns (Dungarvan, Westport, Killarney). Consider these options:

  • Bike-friendly B&Bs: Many rural B&Bs provide secure bike storage and on-site repair kits.
  • Camping & Glamping: Sites along the Waterford and Great Western Greenways let you park your bike under a shade-loving canopy.
  • Self-catering cottages: Ideal for families; you can stock up on fresh fruit and local water.

Top Sunny Routes for Summer Cycling

1. Waterford Greenway (Waterford → Dungarvan)

  • Length: 46 km one-way
  • Difficulty: Easy, gently rolling
  • Highlights: Views of the Comeragh Mountains, the copper-coated cliffs of the Copper Coast, and a quick dip at Tramore Beach.

The route is fully traffic-free, so an early start takes no planning at all. Stop at The Granary Café for a hearty Irish breakfast, then continue westward for a 2-hour ride to Dungarvan.

Sunny tip: The western half (Dungarvan-Tramore) enjoys the most sunshine in July, thanks to the south-westerly breezes that clear any lingering cloud.

2. Great Western Greenway (Westport → Cashel, Mayo)

  • Length: 49 km one-way
  • Difficulty: Moderate, some short climbs
  • Highlights: Panoramic vistas of Clew Bay, Croagh Patrick, and the pristine sands of Keem Bay on Achill Island.

The greenway follows an old railway line, so the gradients are gentle throughout. The gravel section between Mulranny and Newport is the exception: rougher, slower, and worth the detour if you want something more technical.

3. Limerick Greenway (Rathkeale → Abbeyfeale)

  • Length: 40 km
  • Difficulty: Moderate, rolling countryside
  • Highlights: Barnagh Tunnel (115 m long), historic Ferguson’s Viaduct, and the medieval town of Adare with its thatched cottages.

The tunnel stays cool while the fields outside hold the heat of the day. Ride it in the evening.

4. The Wicklow Mountains Loop (Blessington → Glendalough → Blessington)

  • Length: ~100 km loop
  • Difficulty: Challenging, sustained climbs (Sally Gap, Lugnaquilla)
  • Highlights: Sweeping mountain vistas, the sparkling Lough Tay (“Guinness Glass”), and the monastic ruins of Glendalough.

July’s long daylight lets you take the climbs in the cool of the morning and drop back into Blessington at sunset. Pack a wind-breaker. The exposed ground up there is breezy even in summer.

5. Ring of Kerry (Killarney → Iveragh Peninsula → Killarny)

  • Length: 169 km loop
  • Difficulty: Hard, long distance, variable road quality
  • Highlights: Coastal cliffs, the MacGillycuddy Reeks, Rossbeigh Beach, and Muckross House in Killarney National Park.

Because the Ring is a road-based route, traffic can be heavier in July. Aim for an early start (5:30 am) to enjoy the calmest roads and the most reliable sunshine on the western side of the peninsula.

6. Mountain-Bike Hotspots

  • Ticknock (Dublin Mountains): A network of purpose-built single-track trails; perfect for a short, sun-filled afternoon after a city ride.
  • Ballyhoura (Limerick): Beginner-friendly loops with clear signage; the summer months bring dry, firm surfaces.
  • Slieve Bloom (Offaly): Varied trails from moderate to technical; the forest canopy offers occasional shade, but the open ridges are bathed in sunlight in July.

Gear & Safety for Summer Riding

  1. Clothing: Opt for breathable, UV-protective fabrics. A lightweight, long-sleeve jersey protects against sunburn without overheating.
  2. Helmet with Visor: A visor reduces glare and keeps sweat out of your eyes during bright spells.
  3. Sunscreen: SPF 30+ water-resistant; reapply every two hours, especially after a dip in the sea.
  4. Hydration System: Carry at least 1 L of water per 50 km. A 2-L insulated bottle or a CamelBak works well on long rides.
  5. Bike Maintenance: Summer heat can soften tyre rubber; check pressure daily (90-110 psi for road, 30-40 psi for gravel). Lubricate the chain with a dry lube to avoid attracting dust.
  6. Reflective Gear: Even with long daylight, twilight rides are common. Equip your bike with reflective stickers and wear a high-visibility vest for the last hour of daylight.

Staying Cool & Hydrated on the Road

  • Early Starts: Ride the first 3–4 hours of daylight when temperatures are 12-15 °C, ideal for climbing.
  • Mid-day Breaks: Use rest stops for shade, a quick snack, and a water refill. Many greenway cafés offer cold drinks and local fruit.
  • Electrolyte Balance: Add a pinch of sea salt or an electrolyte tablet to your water bottle, especially on rides over 80 km.
  • Cooling Packs: Slip a small frozen gel pack into your jersey pocket for a quick chill during steep climbs.

Accommodation & Logistics

RegionRecommended StayBike FacilitiesNearby Attractions
WaterfordThe Granary B&B, DungarvanSecure bike rack, pumpCopper Coast, Tramore Beach
MayoWestport House GuesthouseBike-hire on-site, repair toolsAchill Island, Croagh Patrick
WicklowSally Gap Lodge, BlessingtonIndoor bike garageGlendalough, Lough Tay
KerryKillarney Eco-LodgeBike storage, map deskRing of Kerry, Muckross House
DublinTicknock HostelBike-repair workshopDublin Mountains, Phoenix Park

Transport Tips:

  • Rail: Irish Rail runs seasonal “Bike-and-Train” services to major towns (e.g., Waterford, Westport). Book a bike space in advance.
  • Bus: Bus Éireann allows two bikes on most regional routes for a modest fee.
  • Car: If you’re driving, a roof-rack or bike-box is essential; many rental companies offer them for free.

Summer Cycling Events & Community Rides

DateEventLocationWhat to Expect
5 JuneDublin Summer RideDublin City Centre50 km urban ride, live music at Phoenix Park, free bike-check stations.
20 JulyRing of Kerry ChallengeKillarney150 km ride with support vans, scenic stops, prize for fastest team.
12 AugustWaterford Greenway FestivalWaterford-DungarvanFamily rides, bike-rental discounts, local food stalls, guided history tours.
25 AugustBallyhoura Mountain-Bike DayLimerickSkill workshops, trail maintenance volunteer slots, evening bonfire.

Most events require pre-registration (often limited to 150 participants). Arriving early secures a spot and often includes a free water bottle or t-shirt.

Practical Tips for a Smooth Summer Cycling Holiday

  • Book bike rentals early: Summer demand spikes 30 % compared with spring.
  • Check roadworks: The National Roads Authority publishes summer maintenance schedules; avoid routes with major closures.
  • Pack a basic repair kit: Spare inner tube, tyre levers, mini-pump, and a multi-tool.
  • Travel insurance: Ensure it covers cycling, especially if you plan high-speed road rides.
  • Local food: Take advantage of fresh Irish produce: strawberries in Kilkenny, oysters in Galway, and artisan cheese in Kerry.

Conclusion

Long daylight, temperatures that rarely trouble you, and enough dry days to plan around. That is what an Irish summer gives a cyclist. Pick routes to suit it: the Waterford Greenway for easy traffic-free miles, the Wicklow Mountains if you want the climbs, the forest tracks of Ballyhoura if you would rather stay off tarmac altogether.

Book early, drink more than you think you need, and cover up in the sun. The long days do the rest.