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Castletroy, Ireland
Munster · Ireland
Castletroy is a small city in Munster, Ireland with a population of 14,733. Elevation: 62 ft (19 m). Average temperature: 50°F (10°C).
Data updated June 2026
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About Castletroy
Castletroy is a townland and suburb of Limerick, Ireland. The area was named after Castle Troy, also known as the Black Castle, the ruins of which are located on the southern bank of the River Shannon, approximately 2Â km east of the University of Limerick.
People
Climate
| Population | 14,733 |
| Population Density | 649 / sq mi |
| Elevation | 62 ft (19 m) |
| Coordinates | 52.6735°, -8.5533° |
| Timezone | Europe/Dublin |
| Country | 🇮🇪 Ireland |
| State / Province | Munster |
| Average Temperature | 50°F (10°C) |
| January Average | 42°F (5°C) |
| July Average | 60°F (15°C) |
| Annual Precipitation | 50.5 inches (1,283 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Castletroy
Castletroy is a small city in Ireland (Munster) with a population of 14,733. The city sits at an elevation of 62 feet (19 meters) above sea level. The average annual temperature is 50°F (10°C). Temperatures range from 42°F in January to 60°F in July. Annual precipitation averages 50.5 inches. The timezone is Europe/Dublin.
Climate in Castletroy
Castletroy has an average annual temperature of 10.8°C (51°F). The hottest month is Jul (16.2°C), the coldest is Jan (6.2°C). Average annual precipitation is 1020 mm.
Temperature
| Annual Average | 49.7°F |
| 8% below Ireland avg | |
| January Average | 42°F (5°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 22.7 sq mi (58.8 km²) |
| Population Density | 649/sq mi |
| Coordinates | 52.6735°N, 8.5533°W |
| Timezone | Europe/Dublin |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 5.4 in | Coldest |
| February | 42°F (6°C) | 4.1 in | |
| March | 44°F (7°C) | 3.8 in | |
| April | 47°F (8°C) | 2.8 in | |
| May | 52°F (11°C) | 2.7 in | Driest |
| June | 56°F (14°C) | 3.3 in | |
| July | 60°F (15°C) | 3.1 in | Warmest |
| August | 59°F (15°C) | 4.2 in | |
| September | 56°F (13°C) | 4.4 in | |
| October | 51°F (10°C) | 5.3 in | |
| November | 45°F (7°C) | 5.6 in | |
| December | 43°F (6°C) | 5.8 in | Wettest |
Castletroy has a seasonal temperature swing of 18°F / from 42°F in January to 60°F in July. Total annual precipitation is 50.5 inches, with December being the wettest month (5.8") and May the driest (2.7").
Schools in Castletroy
2 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Limerick Educate Together Secondary School | - | - | - | - |
| Milford National School | - | - | - | - |
Radio Stations near Castletroy
8 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Irish Country Music Radio | country, folk | MP3 128 kbps | |
| Irish Pub Radio | ballads, celtic | MP3 128 kbps | |
| Limerick's Live 95FM | adult contemporary, local news | AAC 128 kbps | |
| Wired FM - FM 99.9 - Limerick, Ireland | college, education | MP3 192 kbps | |
| live 95 (US) | rock | MP3 64 kbps | |
| SPIN South West | - | AAC+ 89 kbps | |
| GOCOM Radio | - | MP3 | |
| Scariff Bay Community Radio | - | MP3 128 kbps |
Museums in Castletroy
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Culture House | ||||
| Hunt Museum | ||||
| King John's Visitor's Centre | ||||
| Leamy House | ||||
| Limerick Museum | ||||
| The Eamonn De Valera Museum |
Libraries in Castletroy
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Dooradoyle Library | 0.0 | |||||
| Killaloe Public Library | 0.0 | |||||
| Limerick City Library | 0.0 | |||||
| Limerick City Library | 0.0 | |||||
| Roxboro Library | 0.0 | |||||
| Scarriff Public Library | 0.0 | |||||
| Watch House Cross Library | 0.0 |
Farmers Markets in Castletroy
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Indoor Car Boot Sale | |||||
| Killaloe Farmer's Market | |||||
| Milk Market | |||||
| Student Courtyard | |||||
| TabaccoLand Ltd |
Hotels in Castletroy
3 hotels within city radius - OpenStreetMap data
Restaurants in Castletroy
13 restaurants within city radius - OpenStreetMap data
Cafes in Castletroy
19 cafes within city radius - OpenStreetMap data
Cinemas in Castletroy
1 cinemas within city radius - OpenStreetMap data
Theatres in Castletroy
1 theatres within city radius - OpenStreetMap data
Monuments in Castletroy
2 monuments within city radius - OpenStreetMap data
Castles in Castletroy
1 castles within city radius - OpenStreetMap data
Clinics in Castletroy
5 clinics within city radius - OpenStreetMap data
Dentists in Castletroy
2 dentists within city radius - OpenStreetMap data
Veterinaries in Castletroy
2 veterinaries within city radius - OpenStreetMap data
Gas Stations in Castletroy
4 gas stations within city radius - OpenStreetMap data
Banks in Castletroy
4 banks within city radius - OpenStreetMap data
Shopping Malls in Castletroy
1 shopping malls within city radius - OpenStreetMap data
Gyms in Castletroy
2 gyms within city radius - OpenStreetMap data
Golf Courses in Castletroy
1 golf courses within city radius - OpenStreetMap data
Breweries in Castletroy
| Name | Type | Address | Phone | Website |
|---|---|---|---|---|
| Crew Brewing Company | ||||
| Treaty City Brewery |
Stadiums & Teams in Castletroy
| Team | League | Division |
|---|---|---|
Airports Near Castletroy
13 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Shannon Airport | SNN | Large Airport |
| Birr Aerodrome | - | Small Airport |
| Brittas House Airstrip | - | Small Airport |
| Camus Airstrip | - | Small Airport |
| Coonagh Aerodrome | - | Small Airport |
| Craughwell Airfield | - | Small Airport |
| Cregboy Airstrip | - | Small Airport |
| Erinagh Airfield | - | Small Airport |
| Feohanagh Airstrip | - | Small Airport |
| Gay Tracy Airstrip | - | Small Airport |
| Pallas West Airstrip | - | Small Airport |
| Rathcoole Aerodrome | - | Small Airport |
| The Forge Airstrip | - | Small Airport |
Post Offices in Castletroy
1 post offices.
| Post Office | Address |
|---|---|
| Castletroy Post Office |
Churches & Religious Organizations in Castletroy
3 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Church Of Our Lady Help Of Christians | |
| Killmurray Church | |
| Saint Mary Magdalene |
Quick Facts
🇮🇪 About Ireland
Public Holidays in Ireland
11 public holidays this year
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Get a comprehensive, print-ready PDF with all data for Castletroy.
Get ReportFrequently Asked Questions About Castletroy
What is the population of Castletroy?
Castletroy has a population of 14,733 residents and is located in Ireland. The population density is 649 people per square mile, spread across 22.7 square miles.
What is the weather like in Castletroy?
Castletroy has a four-season climate with an average annual temperature of 50°F (10°C). Winter temperatures average 42°F in January, while summers reach an average of 60°F in July. The area receives 244 sunny days per year. Annual rainfall totals 50.5 inches.