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Castries, Saint Lucia
Castries · Saint Lucia
Castries is a small city in Castries, Saint Lucia with a population of 20,000. Elevation: 390 ft (119 m). Average temperature: 78°F (26°C).
Data updated June 2026
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About Castries
Castries is the capital and largest city of Saint Lucia, an island country in the Caribbean. The urban area has a population of approximately 20,000, while the eponymous district has a population of just under 70,000, as of May 2013. The city covers 80 km2 (31 sq mi).
People
Climate
| Population | 20,000 |
| Population Density | 656 / sq mi |
| Elevation | 390 ft (119 m) |
| Coordinates | 13.9957°, -61.0061° |
| Timezone | America/St_Lucia |
| Country | 🇱🇨 Saint Lucia |
| State / Province | Castries |
| Average Temperature | 78°F (26°C) |
| January Average | 76°F (24°C) |
| July Average | 80°F (26°C) |
| Annual Precipitation | 81.7 inches (2,074 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Castries
Castries is a small city in Saint Lucia (Castries) with a population of 20,000. The city sits at an elevation of 390 feet (119 meters) above sea level. The average annual temperature is 78°F (26°C). Temperatures range from 76°F in January to 80°F in July. Annual precipitation averages 81.7 inches. The timezone is America/St_Lucia.
Climate in Castries
Castries has an average annual temperature of 28°C (82°F). The hottest month is Sep (29.3°C), the coldest is Feb (26.6°C). Average annual precipitation is 558 mm.
Temperature
| Annual Average | 78.3°F |
| 45% above Saint Lucia avg | |
| January Average | 76°F (24°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 188 days/yr |
Geography
| Elevation | 390 ft (119 m) |
| Area | 30.5 sq mi (79.0 km²) |
| Population Density | 656/sq mi |
| Coordinates | 13.9957°N, 61.0061°W |
| Timezone | America/St_Lucia |
Precipitation & Snow
Air Quality
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1902 | MOUNT PELEE | Explosion | 5.0 m | 23 | 93 km |
| 1902 | MOUNT PELEE | Astronomical | 4.0 m | - | 93 km |
| 1902 | MOUNT PELEE | Astronomical | 3.0 m | 1,500 | 93 km |
| 1902 | SOUFRIERE VOLCANO | Astronomical | 1.0 m | 1,680 | 76 km |
| 1902 | FORT-DE-FRANCE | Astronomical | 1.0 m | - | 68 km |
| 1902 | MARTINIQUE | Astronomical | 0.6 m | - | 62 km |
| 2021 | SOUFRIERE VOLCANO | Astronomical | 0.1 m | - | 76 km |
| 1839 | MARTINIQUE | Earthquake | - | 390 | 110 km |
| 1823 | SAINT PIERRE | Earthquake | - | - | 45 km |
| 1767 | MARTINIQUE & BARBADOS | Earthquake | - | - | 45 km |
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Qualibou (19 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Qualibou | Caldera | 777 m (2,549 ft) | 1766 | 19 km |
| Soufriere St. Vincent | Stratovolcano | 1,220 m (4,003 ft) | 1979 | 76 km |
| Pelee | Stratovolcano | 1,394 m (4,573 ft) | 1932 | 92 km |
| Plat Pays, Morne | Stratovolcano | 940 m (3,084 ft) | 1270 | 145 km |
| Watt, Morne | Stratovolcano(es) | 1,224 m (4,016 ft) | 1997 | 149 km |
| Trois Pitons, Morne | Complex | 1,387 m (4,551 ft) | 920 | 157 km |
| Diablotins, Morne | Stratovolcano | 1,430 m (4,692 ft) | Unknown | 173 km |
| Diables, Morne aux | Lava dome(s) | 861 m (2,825 ft) | Unknown | 185 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (24°C) | 5.7 in | |
| February | 76°F (24°C) | 4.1 in | Coldest |
| March | 77°F (25°C) | 3.4 in | |
| April | 78°F (26°C) | 3.3 in | Driest |
| May | 80°F (26°C) | 4.5 in | |
| June | 80°F (27°C) | 6.3 in | |
| July | 80°F (26°C) | 7.8 in | |
| August | 80°F (27°C) | 9.0 in | Warmest |
| September | 80°F (27°C) | 9.4 in | |
| October | 79°F (26°C) | 11.5 in | Wettest |
| November | 78°F (26°C) | 10.1 in | |
| December | 77°F (25°C) | 6.8 in |
Castries has a seasonal temperature swing of 4°F / from 76°F in February to 80°F in August. Total annual precipitation is 81.7 inches, with October being the wettest month (11.5") and April the driest (3.3").
Colleges & Universities in Castries
| Institution | Type | Founded | Website |
|---|---|---|---|
| Spartan Health Science University | University | - | , |
Schools in Castries
2 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Ciceron Secondary School | - | - | - | - |
| Lady Gordon Special needs School | - | - | - | - |
Radio Stations near Castries
6 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| rfi | - | MP3 32 kbps | |
| RelaxingJazz.com (BB) | - | MP3 320 kbps | |
| BLAZIN 99.3FM | - | MP3 192 kbps | |
| RFI 102.1 FM | country, local music | MP3 128 kbps | |
| Radio Fusion (MQ) | - | MP3 128 kbps | |
| REV-UP SLU | reggae, soca | MP3 128 kbps |
Museums in Castries
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Folk Research Center | ||||
| Sessene Descartes House | ||||
| The Morne Museum |
Libraries in Castries
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Anse la Raye Community Library | 0.0 | |||||
| Anse La Raye library/ict building | 0.0 | |||||
| Canaries Public Library | 0.0 | |||||
| Central Library | 0.0 | |||||
| Choiseul Administrative Building | 0.0 | |||||
| Choiseul Library | 0.0 | |||||
| Derek Walcott Library | 0.0 | |||||
| Hunter J. Francois Library | 0.0 | |||||
| Monchy Public Library | 0.0 | |||||
| SOUFRIERE LIBRARY | 0.0 | |||||
| Ti Rocher Community Library | 0.0 |
Farmers Markets in Castries
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Castries Central Market | |||||
| Choiseul Fish Market | |||||
| Choiseul street market | |||||
| Fruits and vegetables market | |||||
| Marchand Market | |||||
| Rising Sun | |||||
| solay's place | |||||
| Soufrière Vegetables Market | |||||
| St Lucia's farmer market | |||||
| Ultimate Mart | |||||
| Vendors' Arcade |
Hotels in Castries
1 hotels within city radius - OpenStreetMap data
Gas Stations in Castries
1 gas stations within city radius - OpenStreetMap data
Golf Courses in Castries
1 golf courses within city radius - OpenStreetMap data
Stadiums & Teams in Castries
| Team | League | Division |
|---|---|---|
Airports Near Castries
3 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Hewanorra International Airport | UVF | Large Airport |
| Martinique Aimé Césaire International Airport | FDF | Large Airport |
| George F. L. Charles Airport | SLU | Medium Airport |
Churches & Religious Organizations in Castries
3 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Deliverance Baptist Church | |
| St. Benedict's Roman Catholic Church | |
| Streams of Power Church |
Quick Facts
🇱🇨 About Saint Lucia
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Get ReportFrequently Asked Questions About Castries
What is the population of Castries?
Castries has a population of 20,000 residents and is located in Saint Lucia. The population density is 656 people per square mile, spread across 30.5 square miles.
What is the weather like in Castries?
Castries has a warm climate with an average annual temperature of 78°F (26°C). Winter temperatures average 76°F in January, while summers reach an average of 80°F in July. The area receives 188 sunny days per year. Annual rainfall totals 81.7 inches.