Rathlin O'Birne

Island Remote Irish island featuring a historic lighthouse

Rathlin O’Birne (off County Donegal) is a remote island with a lighthouse and seabird colonies; boat trips visit for rugged coastal scenery and birdwatching.

Main image

Rathlin O’Birne is a small, rocky island off the northwest coast of County Donegal in Ireland. It is notable for its maritime location and for a lighthouse that marks local waters.

A remote island environment with rugged shoreline and a prominent navigational lighthouse; there are no regular tourist facilities and visits are typically by private or specialist vessels. The site is of interest mainly for maritime history, seabirds and offshore scenery.

The island’s lighthouse and other navigational aids reflect its long role in marking hazardous coastal waters to shipping. The feature has been recorded on maritime charts for many decades and has been used by mariners navigating the Atlantic approaches to northwest Ireland.

Situated off the Donegal coast in the province of Ulster, the island sits well offshore in the Atlantic and is reachable only by private boat.

  • Lighthouse and location: A small, rocky island off the northwest coast of County Donegal known for its lighthouse and remote maritime location.
Rathlin O'Birne
54.6642, -8.8281

How to Get to Rathlin O'Birne #

Rathlin O’Birne is accessible by private boat from points in County Donegal; sea conditions govern schedules and safety. Coordinate with local skippers and check maritime weather forecasts before planning a visit.

Tips for Visiting Rathlin O'Birne #

  • Weather can be rough and schedules for local boats are weather-dependent-check in advance.
  • The island is remote; bring provisions and emergency gear for sea travel.
  • Wear layers-the North Atlantic wind is relentless even in summer.

Best Time to Visit Rathlin O'Birne #

Summer months offer the safest window for sea access and exploration.

Summer (Jun-Aug)
Jun-Aug · 10-16°C
Milder weather and longer daylight for sea travel.
Late spring/early autumn (May, Sep)
May, Sep · 6-12°C
Transitional weather with possible rough seas.

Weather & Climate near Rathlin O'Birne #

Climate

Continental climate with cool summers (peaking in August) and cold winters (coldest in February). Temperatures range from 3°C to 17°C. Abundant rainfall (1230 mm/year), wettest in November.

Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
25°
Warmest Month
-1°
Coldest Month
Monthly Conditions

January

January is cold with highs of 8°C and lows of 3°C. Significant rainfall (131 mm), mostly overcast skies, and breezy conditions.

36 Poor

Comfort

Feels Like Cold
C
Temperature
86%
Humidity
Very Humid

Weather

131 mm
Rainfall
7.2 m/s
Wind
Breezy
0.0
UV Index
Low
7.7h daylight

February

February is the coolest month with highs of 8°C and lows of 3°C. Regular rainfall (88 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
86%
Humidity
Very Humid

Weather

88 mm
Rainfall
7.0 m/s
Wind
Breezy
0.1
UV Index
Low
9.5h daylight

March

March is cold with highs of 9°C and lows of 4°C. Regular rainfall (97 mm), mostly overcast skies, and breezy conditions.

48 Poor

Comfort

Feels Like Cold
C
Temperature
85%
Humidity
Very Humid

Weather

97 mm
Rainfall
6.8 m/s
Wind
Breezy
0.3
UV Index
Low
11.7h daylight

April

April is cold with highs of 11°C and lows of 5°C. Moderate rainfall (66 mm) and mostly overcast skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
84%
Humidity
Very Humid

Weather

66 mm
Rainfall
5.9 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
13.9h daylight

May

May is cool with highs of 13°C and lows of 7°C. Moderate rainfall (69 mm) and mostly overcast skies.

56 Acceptable

Comfort

10°
Feels Like Cool
10°C
Temperature
13°
83%
Humidity
Very Humid

Weather

69 mm
Rainfall
5.6 m/s
Wind
Light Breeze
1.1
UV Index
High
15.8h daylight

June

June is cool with highs of 15°C and lows of 9°C. Moderate rainfall (74 mm) and mostly overcast skies.

54 Acceptable

Comfort

12°
Feels Like Cool
12°C
Temperature
15°
83%
Humidity
Very Humid

Weather

74 mm
Rainfall
5.4 m/s
Wind
Light Breeze
1.3
UV Index
High
16.9h daylight

July

July is cool with highs of 17°C and lows of 11°C. Moderate rainfall (79 mm) and mostly overcast skies.

60 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 17°
84%
Humidity
Very Humid

Weather

79 mm
Rainfall
5.2 m/s
Wind
Light Breeze
1.2
UV Index
High
16.4h daylight

August

August is cool with highs of 17°C and lows of 11°C. Regular rainfall (93 mm) and mostly overcast skies.

60 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 17°
84%
Humidity
Very Humid

Weather

93 mm
Rainfall
5.2 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
14.7h daylight

September

September is cool with highs of 16°C and lows of 10°C. Significant rainfall (115 mm) and mostly overcast skies.

58 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
10° 16°
85%
Humidity
Very Humid

Weather

115 mm
Rainfall
5.9 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
12.5h daylight

October

October is cool with highs of 13°C and lows of 8°C. Significant rainfall (137 mm), mostly overcast skies, and breezy conditions.

48 Poor

Comfort

11°
Feels Like Cool
11°C
Temperature
13°
85%
Humidity
Very Humid

Weather

137 mm
Rainfall
6.4 m/s
Wind
Breezy
0.2
UV Index
Low
10.3h daylight

November

November is cold with highs of 10°C and lows of 5°C. The wettest month with heavy rain (141 mm), mostly overcast skies, and breezy conditions.

44 Poor

Comfort

Feels Like Cold
C
Temperature
11°
86%
Humidity
Very Humid

Weather

141 mm
Rainfall
6.5 m/s
Wind
Breezy
0.1
UV Index
Low
8.3h daylight

December

December is cold with highs of 9°C and lows of 5°C. Significant rainfall (140 mm), mostly overcast skies, and breezy conditions.

44 Poor

Comfort

Feels Like Cold
C
Temperature
86%
Humidity
Very Humid

Weather

140 mm
Rainfall
6.7 m/s
Wind
Breezy
0.0
UV Index
Low
7.1h daylight

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