Castleknock Travel Guide

City Suburb of Dublin, Ireland

Castleknock’s castle ruins and canal‑side walks give Dublin visitors a village pause: golf clubs, Victorian homes and weekly markets draw families. It’s an easy tram or drive from the city centre, popular for lazy Sundays and traditional pubs.

Main image
Costs
Expensive by Irish standards
Dublin-area prices: $110-180 per day for accommodation and dining.
Safety
Safe and residential
Generally safe, affluent suburb with low crime rates.
Best Time
May-September
Mild weather and pleasant walking seasons for suburban exploring.
Time
Weather
Population
8,301
Infrastructure & Convenience
Good buses and commuter rail links to Dublin; walkable village center.
Popularity
Popular with commuters and visitors touring Dublin's suburbs and heritage sites.
Known For
castle ruins, Castleknock College, Phoenix Park proximity, upscale suburbia, golf clubs, commuter rail access, Georgian and Victorian houses, local pubs
Castleknock features the ruins of a 12th-century castle near the grounds of the historic Castleknock College.

Why Visit Castleknock? #

Just west of Dublin city center, Castleknock blends village charm with easy access to the capital’s attractions. Ruins of a medieval castle, leafy lanes and parish churches anchor a compact historic core, while lively pubs host traditional music and long-established GAA clubs. Its proximity to Phoenix Park and Dublin’s museums makes it appealing for visitors after a quieter base near the city.

Top Things to Do in Castleknock

All Attractions ›
Don't Miss
  • Castleknock Castle Ruins - Remains of the medieval motte-and-bailey castle overlooking the village green.
  • Castleknock Village Green - Pleasant centre with cafés, local shops and regular community events.
  • Castleknock Golf Club - Well-regarded golf course offering greens and views over the surrounding countryside.
Hidden Gems
  • Royal Canal Towpath Walks - Peaceful towpath for walking or cycling, linking Castleknock to Dublin suburbs.
  • Village Artisan Bakery - Family-run bakery producing traditional breads and morning pastries popular with locals.
  • St. Brigid's Church (Castleknock) - Historic parish church notable for its stained glass and community role.
Day Trips
  • Dublin City Centre - Historic centre with Trinity College, Dublin Castle and major museums easily accessible.
  • Phoenix Park and Dublin Zoo - Large parkland with outdoor space, monuments and Ireland's national zoo nearby.

Best Time to Visit Castleknock #

Castleknock has a temperate, maritime climate - late spring through early autumn offers the best weather for walking and outdoor pubs. Winters are cool and wet but not extreme.

Winter
December - February · 3-8°C (37-46°F)
Wet and chilly but rarely freezing; city sights remain open and atmosphere is cozy, though daylight hours are short.
Summer
June - August · 14-20°C (57-68°F)
Pleasant, green and often mild with long daylight - perfect for parks, casual strolls and outdoor pub terraces.
Spring/Autumn
March - May, September - November · 8-15°C (46-59°F)
Crisp, often dry days ideal for walking and quieter attractions; spring blooms or autumn colours add extra charm.

Best Time to Visit Castleknock #

Climate

Castleknock's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in January). Temperatures range from 2°C to 20°C. Moderate rainfall (763 mm/year), distributed fairly evenly throughout the year.

Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
24°
Warmest Month
-2°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 8°C and lows of 2°C. Moderate rainfall (71 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

71 mm
Rainfall
5.2 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.9h daylight

February

February is cold with highs of 8°C and lows of 2°C. Moderate rainfall (55 mm) and mostly overcast skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
90%
Humidity
Very Humid

Weather

55 mm
Rainfall
5.1 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.6h daylight

March

March is cold with highs of 10°C and lows of 3°C. Moderate rainfall (56 mm) and mostly overcast skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
88%
Humidity
Very Humid

Weather

56 mm
Rainfall
5.1 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 4°C. Moderate rainfall (54 mm) and mostly overcast skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
86%
Humidity
Very Humid

Weather

54 mm
Rainfall
4.4 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 6°C. Moderate rainfall (56 mm) and mostly overcast skies.

58 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
15°
84%
Humidity
Very Humid

Weather

56 mm
Rainfall
4.2 m/s
Wind
Light Breeze
1.2
UV Index
High
15.7h daylight

June

June is cool with highs of 18°C and lows of 9°C. Moderate rainfall (57 mm) and mostly overcast skies.

66 Good

Comfort

13°
Feels Like Cool
13°C
Temperature
18°
84%
Humidity
Very Humid

Weather

57 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.5
UV Index
High
16.7h daylight

July

July is cool with highs of 20°C and lows of 11°C. Moderate rainfall (54 mm) and mostly overcast skies.

66 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°
85%
Humidity
Very Humid

Weather

54 mm
Rainfall
3.8 m/s
Wind
Light Breeze
1.3
UV Index
High
16.2h daylight

August

August is cool with highs of 20°C and lows of 11°C. Moderate rainfall (70 mm) and mostly overcast skies.

64 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°
86%
Humidity
Very Humid

Weather

70 mm
Rainfall
3.7 m/s
Wind
Light Breeze
1.1
UV Index
High
14.6h daylight

September

September is cool with highs of 17°C and lows of 9°C. Moderate rainfall (67 mm) and mostly overcast skies.

64 Good

Comfort

13°
Feels Like Cool
13°C
Temperature
17°
87%
Humidity
Very Humid

Weather

67 mm
Rainfall
4.1 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 6°C. The wettest month with 77 mm of rain and mostly overcast skies.

54 Acceptable

Comfort

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

Weather

77 mm
Rainfall
4.5 m/s
Wind
Light Breeze
0.3
UV Index
Low
10.4h daylight

November

November is cold with highs of 10°C and lows of 4°C. Moderate rainfall (70 mm) and mostly overcast skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
90%
Humidity
Very Humid

Weather

70 mm
Rainfall
4.6 m/s
Wind
Light Breeze
0.1
UV Index
Low
8.4h daylight

December

December is cold with highs of 8°C and lows of 2°C. Moderate rainfall (76 mm) and mostly overcast skies.

44 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

76 mm
Rainfall
5.0 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.3h daylight

How to Get to Castleknock

By Air
By Train & Bus

How to Get Around Castleknock #

Castleknock is a suburban Dublin neighbourhood that’s pleasant to walk around for local errands. Public transport includes Dublin Bus routes and the commuter rail network (Castleknock area served by nearby stations); using a Leap card cuts fares. Driving or cycling are common for reaching surrounding suburbs and the city.

Where to Stay in Castleknock #

Budget
Castleknock / Blanchardstown - €50-100/night
Castleknock village has a few inexpensive guest rooms; more budget chains and airport hotels lie a short drive away. Good for short stays.
Mid-Range
Castleknock / Airport access - €100-180/night
Mid-range choices include suburban hotels with free parking, restaurants and conference facilities - handy for Dublin visits without city-centre prices.
Luxury
Castleknock / Central Dublin - €180+/night
There are no international five-star resorts in Castleknock; the best upscale stay is the local full-service hotel or central Dublin luxury hotels a short drive away.

Where to Eat in Castleknock #

Breakdown of cuisine types found across Castleknock's restaurants and food venues, based on OpenStreetMap data.

Pizza
Chinese
Burger
Fish & Chips
Indian
Italian
Thai
Sandwich
Asian
Chicken
Kebab
Mexican
American
Japanese
Regional
Sushi
Coffee Shop
Steak House
Irish
Donut

Nightlife in Castleknock #

Castleknock’s nightlife is mostly neighbourhood pubs and restaurants rather than clubs. For a wider range of bars and late-night venues head into Dublin city centre or Blanchardstown.

Shopping in Castleknock #

Local shopping in Castleknock covers convenience stores, cafés and independent outlets. For big-name retail, supermarkets and a full shopping day visit Blanchardstown Centre a short drive or bus ride away.

Nearby Cities #