Main image

Graham Horn CC BY-SA 4.0 Wikimedia Commons

Lettermore

Lake

Island off Connemara connected by causeway, part of the Gaeltacht; visitors come for coastal walks, fishing, sea vistas and glimpses of Irish-language village life.

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Lettermore essentials

Address: Lettermore (Leitir Móir), County Galway, Ireland

About Lettermore

Lettermore (Leitir Móir) is an inhabited island off the west coast of County Galway in the Connemara region of western Ireland. It is part of the Connemara island group and is recognised as a Gaeltacht area where Irish is commonly used.

The island is connected to neighbouring islands and the mainland by road links, providing vehicle access. The coastline, small harbours and rural settlement pattern support local fishing, small-scale agriculture and traditional island life.

Settlement on Lettermore reflects long-standing Gaelic culture and coastal livelihoods, with village clusters and stone-built houses typical of Connemara islands. The island is visited for its coastal scenery, local culture and access to wider Connemara landscapes.

Geographically Lettermore sits off the west coast of County Galway within the Connemara district, among a chain of islands and peninsulas that fringe the Atlantic shoreline.

  • Gaeltacht status: Part of the Connemara island group in western County Galway and recognised as a Gaeltacht area where Irish is widely spoken.

What to See#

  • Leitir Mór village: The main village area and coastal shorelines of the island, where community life, local services and small-scale fishing take place.
  • Causeway connections: The road causeway and bridge links that connect the island to neighboring islands and the mainland, providing year-round vehicle access.
Things to Do
When to Go

Best Time to Visit Lettermore

Summer months are best for pleasant weather and exploring the coastline and nearby islands.

Late spring-summer
May-September · 10-18°C
Milder weather and long daylight; best for coastal walks and island-hopping.
Autumn
September-October · 8-15°C
Quieter, with brisk coastal air and migrating bird activity.

Weather & Climate near Lettermore

Climate

Temperate climate with mild summers (peaking in July) and cold winters (coldest in January). Temperatures range from 4°C to 18°C. Abundant rainfall (1215 mm/year), wettest in November.

Air Quality: AQI 27 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
29°
Warmest Month
-7°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor 4° - 9° 3° 132 mm overcast 92% 6.2 m/s 0.0 low 7.9h
February Acceptable 4° - 9° 3° 85 mm overcast 92% 6.1 m/s 0.1 low 9.6h
March Acceptable 5° - 10° 4° 91 mm overcast 89% 6.0 m/s 0.4 low 11.7h
April Acceptable 6° - 12° 6° 63 mm overcast 85% 5.1 m/s 0.8 moderate 13.8h
May Acceptable 8° - 15° 11° 76 mm overcast 82% 5.0 m/s 1.2 high 15.7h
June Good 10° - 17° 14° 71 mm overcast 82% 4.8 m/s 1.4 high 16.7h
July Good 12° - 18° 15° 79 mm overcast 84% 4.7 m/s 1.2 high 16.2h
August Good 12° - 18° 15° 98 mm overcast 85% 4.6 m/s 1.0 moderate 14.6h
September Good 11° - 17° 14° 118 mm overcast 87% 5.2 m/s 0.7 moderate 12.5h
October Acceptable 8° - 14° 11° 129 mm overcast 90% 5.6 m/s 0.3 low 10.4h
November Poor 6° - 11° 5° 137 mm overcast 92% 5.6 m/s 0.1 low 8.4h
December Poor 5° - 10° 4° 136 mm overcast 93% 6.0 m/s 0.0 low 7.3h
Getting There & Around

How to Get to Lettermore

Lettermore is reached by road from Galway city via the N59 and R336, then over the causeway. Public transport options are limited; driving is the most practical option.

Tips for Visiting Lettermore

  • If arriving by car, use the Causeway connecting Lettermore (Leitir Móir) to the mainland - it's a scenic route across tidal channels.
  • Explore small piers and shoreline paths for seeing traditional fishing boats and saltmarsh life.
  • Time visits to low tide if interested in shore foraging or seeing exposed mudflats.