Lough Corrib

Lake Ireland's second largest lake in County Galway

Lough Corrib in County Galway contains numerous islands, trout fishing and boat cruises toward Cong and Ashford Castle. Anglers and heritage visitors use the lake as a base for western Ireland exploration.

Main image

Lough Corrib is a large freshwater lake in the west of Ireland, and is the largest lake in the Republic of Ireland by surface area. The lake covers a broad basin with an irregular shoreline and contains many islands.

Anglers visit for trout and pike fishing across its 176 square kilometres of water and numerous bays and inlets. Boaters and kayakers use established marinas and launch points; the lake supports sailing and recreational cruising along channels that reach into wooded and rural shorelines.

Lough Corrib has long been central to local settlement and transport, with lakeside towns and villages developing along its shores; archaeological sites and medieval ruins occur on and around some of the islands. It has been managed for fisheries and conservation in recent decades to protect water quality and habitats.

The lake sits north of Galway city in the province of Connacht, in western Ireland, extending across Galway County toward the interior. Galway city lies on the lake’s southern approaches and serves as the nearest major urban centre and primary access point.

  • Fishing: Well known for brown trout and pike fishing, with multiple boat launches and marinas providing lake access near Galway and small lakeside villages.
  • Boating note: Contains numerous islands and a complex shoreline; secure good weather forecasts before boating as conditions can change quickly.
Lough Corrib
53.4333, -9.2333

How to Get to Lough Corrib #

The main access points are near Galway city; the village of Cong on the southern edge is about 40-45 minutes’ drive from Galway and has small marinas and boat rental options. Oughterard on the lake’s north shore is roughly a 25-30 minute drive from Galway on the N59.

Tips for Visiting Lough Corrib #

  • Boat rentals are best sourced at the small marinas near Cong or Oughterard-ask locally for current rates and navigation charts.
  • Hire a local angling guide to find the deep basins where brown trout and pike linger; locals keep precise, generational knowledge of the lake's moods.
  • Visit the ruined Cong Abbey and Ashford Castle on the lake's southern edge-these human traces change how the water reads.

Best Time to Visit Lough Corrib #

Late spring through early autumn gives the best boating conditions; shoulder seasons bring fewer people and haunting light.

Summer (June-August)
June-August · 12-20°C
Warmest weather and long daylight; best for boating, but busiest.
Spring/Autumn (April-May, Sep-Oct)
April-May, September-October · 6-14°C
Quieter on the water; migrating birds and early misty mornings perfect for photography.

Weather & Climate near Lough Corrib #

Climate

Lough Corrib's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in January). Temperatures range from 3°C to 18°C. Abundant rainfall (1096 mm/year), wettest in November.

Best Time to Visit
JulyJuneAugust
Temperature & Rainfall
Temperature Range
29°
Warmest Month
-7°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 8°C and lows of 3°C. Significant rainfall (115 mm) and mostly overcast skies.

42 Poor

Comfort

Feels Like Cold
C
Temperature
92%
Humidity
Very Humid

Weather

115 mm
Rainfall
4.7 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.9h daylight

February

February is the coolest month with highs of 8°C and lows of 3°C. Moderate rainfall (79 mm) and mostly overcast skies.

44 Poor

Comfort

Feels Like Cold
C
Temperature
92%
Humidity
Very Humid

Weather

79 mm
Rainfall
4.8 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.6h daylight

March

March is cold with highs of 10°C and lows of 4°C. Regular rainfall (83 mm) and mostly overcast skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
89%
Humidity
Very Humid

Weather

83 mm
Rainfall
4.8 m/s
Wind
Light Breeze
0.4
UV Index
Low
11.7h daylight

April

April is cold with highs of 12°C and lows of 5°C. Moderate rainfall (61 mm) and mostly overcast skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
85%
Humidity
Very Humid

Weather

61 mm
Rainfall
4.1 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
13.8h daylight

May

May is cool with highs of 15°C and lows of 8°C. Moderate rainfall (73 mm) and mostly overcast skies.

56 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
15°
82%
Humidity
Very Humid

Weather

73 mm
Rainfall
4.1 m/s
Wind
Light Breeze
1.2
UV Index
High
15.7h daylight

June

June is cool with highs of 17°C and lows of 10°C. Moderate rainfall (66 mm) and mostly overcast skies.

62 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
10° 17°
82%
Humidity
Very Humid

Weather

66 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.4
UV Index
High
16.7h daylight

July

July is cool with highs of 18°C and lows of 12°C. Moderate rainfall (67 mm) and mostly overcast skies.

64 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
12° 18°
84%
Humidity
Very Humid

Weather

67 mm
Rainfall
3.8 m/s
Wind
Light Breeze
1.2
UV Index
High
16.2h daylight

August

August is cool with highs of 18°C and lows of 12°C. Regular rainfall (90 mm) and mostly overcast skies.

62 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
12° 19°
85%
Humidity
Very Humid

Weather

90 mm
Rainfall
3.7 m/s
Wind
Light Breeze
1.0
UV Index
Moderate
14.6h daylight

September

September is cool with highs of 16°C and lows of 10°C. Significant rainfall (101 mm) and mostly overcast skies.

60 Good

Comfort

13°
Feels Like Cool
13°C
Temperature
10° 16°
87%
Humidity
Very Humid

Weather

101 mm
Rainfall
4.0 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
12.5h daylight

October

October is cool with highs of 14°C and lows of 8°C. Significant rainfall (119 mm) and mostly overcast skies.

52 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
14°
90%
Humidity
Very Humid

Weather

119 mm
Rainfall
4.3 m/s
Wind
Light Breeze
0.3
UV Index
Low
10.4h daylight

November

November is cold with highs of 11°C and lows of 5°C. The wettest month with heavy rain (123 mm) and mostly overcast skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
92%
Humidity
Very Humid

Weather

123 mm
Rainfall
4.2 m/s
Wind
Light Breeze
0.1
UV Index
Low
8.4h daylight

December

December is cold with highs of 9°C and lows of 4°C. Significant rainfall (119 mm) and mostly overcast skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
93%
Humidity
Very Humid

Weather

119 mm
Rainfall
4.5 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.3h daylight

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