King John's Castle (Limerick)

Castle Norman castle on Limerick's riverfront, medieval fortification

Dominating King’s Island beside the River Shannon, King John’s Castle dates to the 13th century; its restored towers and interactive exhibitions cover medieval Limerick, and the battlements offer river and city views.

Main image

A 13th-century stone fortress on King’s Island in central Limerick, Ireland, built as a Norman stronghold and now a principal historic landmark in the city.

Erected in the early 1200s under royal and Norman authority to control the Shannon crossing and the surrounding settlement, the castle saw multiple sieges and modifications over the medieval and early modern periods before becoming a preserved historic monument.

Sited on King’s Island in the centre of Limerick city, directly adjacent to the River Shannon and connected to the city by historic bridges.

  • Defensive remains: Contains a large circular curtain wall and towers with surviving medieval masonry visible from the riverfront and nearby bridges.
  • Visitor access: Interpretive displays and access routes allow visitors to explore sections of the inner ward and battlements at ground level.
King John's Castle (Limerick)
Nicholas Street, King's Island, Limerick, Ireland
52.6697, -8.6256
Adult ~€10 (approx US$11-13); concessions/children reduced

How to Get to King John's Castle (Limerick) #

King John’s Castle sits on Nicholas Street beside the River Shannon in Limerick city centre. It’s a short walk from the heart of the city: from Limerick Colbert (rail) Station the castle is about a 10-15 minute walk (around 1 km) south along O’Connell Street and into the city centre.

The castle is also served by local Bus Éireann and city bus routes that stop in Limerick city centre; from most central bus stops it’s a very short walk to the castle grounds.

Tips for Visiting King John's Castle (Limerick) #

  • Visit early in the day or late afternoon to avoid the busiest coach-tour periods and to get unobstructed views from the battlements over the River Shannon.
  • Enter via the main visitor centre on Nicholas Street where the audio‑visual orientation and displays are located-starting there gives quicker access to timed tower and battlement areas.
  • Allow time to climb the towers and walk the curtain walls for panoramic city and river views; many visitors focus on the exterior and miss the interpretive exhibits inside the castle complex.

Best Time to Visit King John's Castle (Limerick) #

Late spring through early autumn (May-September) is the best time to visit for mild weather and accessible sightseeing.

Summer (mild, busiest)
June-August · ~10-20°C
Milder weather and long daylight hours make it the most popular time to visit; expect larger tour groups.
Shoulder seasons (best balance)
May and September · ~8-16°C
Pleasant weather with fewer crowds than high summer - good for sightseeing and photos.
Winter (cold, quieter)
November-March · ~0-10°C
Cooler, wetter conditions and shorter opening hours at some attractions; far fewer visitors.

Weather & Climate near King John's Castle (Limerick) #

Climate

King John's Castle (Limerick)'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 20°C. Abundant rainfall (1076 mm/year), wettest in December.

Air Quality: AQI 33 Good
Best Time to Visit
MayJuneJuly
Temperature & Rainfall
Temperature Range
27°
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 (117 mm) and mostly overcast skies.

42 Poor

Comfort

Feels Like Cold
C
Temperature
94%
Humidity
Very Humid

Weather

117 mm
Rainfall
4.9 m/s
Wind
Light Breeze
0.0
UV Index
Low
8.1h daylight

February

February is cold with highs of 9°C and lows of 3°C. Regular rainfall (90 mm) and mostly overcast skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
92%
Humidity
Very Humid

Weather

90 mm
Rainfall
4.9 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.7h daylight

March

March is cold with highs of 11°C and lows of 4°C. Moderate rainfall (78 mm) and mostly overcast skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
90%
Humidity
Very Humid

Weather

78 mm
Rainfall
4.9 m/s
Wind
Light Breeze
0.4
UV Index
Low
11.7h daylight

April

April is cold with highs of 13°C and lows of 5°C. Moderate rainfall (60 mm) and mostly overcast skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
86%
Humidity
Very Humid

Weather

60 mm
Rainfall
4.3 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
13.8h daylight

May

May is cool with highs of 16°C and lows of 8°C. Moderate rainfall (56 mm) and mostly overcast skies.

66 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
16°
84%
Humidity
Very Humid

Weather

56 mm
Rainfall
4.3 m/s
Wind
Light Breeze
1.1
UV Index
High
15.5h daylight

June

June is cool with highs of 18°C and lows of 10°C. Moderate rainfall (70 mm) and mostly overcast skies.

64 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 18°
83%
Humidity
Very Humid

Weather

70 mm
Rainfall
4.0 m/s
Wind
Light Breeze
1.3
UV Index
High
16.5h daylight

July

July is cool with highs of 20°C and lows of 12°C. Moderate rainfall (68 mm) and mostly overcast skies.

64 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
13° 20°
85%
Humidity
Very Humid

Weather

68 mm
Rainfall
4.0 m/s
Wind
Light Breeze
1.2
UV Index
High
16.0h daylight

August

August is cool with highs of 20°C and lows of 12°C. Regular rainfall (86 mm) and mostly overcast skies.

62 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
12° 20°
86%
Humidity
Very Humid

Weather

86 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.0
UV Index
Moderate
14.5h daylight

September

September is cool with highs of 17°C and lows of 10°C. Regular rainfall (93 mm) and mostly overcast skies.

62 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
10° 17°
88%
Humidity
Very Humid

Weather

93 mm
Rainfall
4.2 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
12.5h daylight

October

October is cool with highs of 14°C and lows of 8°C. Significant rainfall (113 mm) and mostly overcast skies.

52 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
14°
91%
Humidity
Very Humid

Weather

113 mm
Rainfall
4.5 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. Significant rainfall (121 mm) and mostly overcast skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
93%
Humidity
Very Humid

Weather

121 mm
Rainfall
4.5 m/s
Wind
Light Breeze
0.1
UV Index
Low
8.6h daylight

December

December is cold with highs of 9°C and lows of 4°C. The wettest month with heavy rain (124 mm) and mostly overcast skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
94%
Humidity
Very Humid

Weather

124 mm
Rainfall
4.8 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.5h daylight

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