Castletown, Australia
Western Australia · Australia
Castletown is a small town in Western Australia, Australia with a population of 3,968. Elevation: 26 ft (8 m). Average temperature: 62°F (17°C).
Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026
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About Castletown
Castletown is a north-eastern suburb of Esperance, a town in south-eastern Western Australia. Its local government area is the Shire of Esperance.
People
Climate
| Population | 3,968 |
| Population Density | 2,855 / sq mi |
| Elevation | 26 ft (8 m) |
| Coordinates | -33.8324°, 121.9156° |
| Timezone | Australia/Perth |
| Country | 🇦🇺 Australia |
| State / Province | Western Australia |
| Average Temperature | 62°F (17°C) |
| January Average | 67°F (19°C) |
| July Average | 56°F (13°C) |
| Annual Precipitation | 26.9 inches (684 mm) |
| Annual Snowfall | 0.1 inches (0 cm) |
About Castletown
Castletown is a small town in Australia (Western Australia) with a population of 3,968. The city sits at an elevation of 26 feet (8 meters) above sea level. The average annual temperature is 62°F (17°C). Temperatures range from 67°F in January to 56°F in July. Annual precipitation averages 26.9 inches. The timezone is Australia/Perth.
Climate in Castletown
Castletown has an average annual temperature of 17.2°C (63°F). The hottest month is Feb (21.2°C), the coldest is Jul (13°C). Average annual precipitation is 612 mm.
Temperature
| Annual Average | 61.8°F |
| 14% above Australia avg | |
| January Average | 67°F (19°C) |
| July Average | 56°F (13°C) |
Geography
| Elevation | 26 ft (8 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 2,855/sq mi |
| Coordinates | 33.8324°S, 121.9156°E |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (19°C) | 0.9 in | |
| February | 71°F (22°C) | 1.0 in | Warmest |
| March | 68°F (20°C) | 1.2 in | |
| April | 64°F (18°C) | 1.6 in | |
| May | 59°F (15°C) | 2.7 in | |
| June | 55°F (13°C) | 2.9 in | |
| July | 56°F (13°C) | 3.4 in | Wettest |
| August | 54°F (12°C) | 3.0 in | Coldest |
| September | 57°F (14°C) | 2.1 in | |
| October | 60°F (16°C) | 1.8 in | |
| November | 64°F (18°C) | 1.3 in | |
| December | 68°F (20°C) | 0.7 in | Driest |
Castletown has a seasonal temperature swing of 17°F / from 54°F in August to 71°F in February. Total annual precipitation is 22.4 inches, with July being the wettest month (3.4") and December the driest (0.7").
Schools in Castletown
1 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Castletown Primary School | - | - | - | - |
Radio Stations near Castletown
1 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Wave FM 91.7 | - | AAC+ 192 kbps |
Museums in Castletown
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Aunty Joan's Dolly Mix | ||||
| Historic Village |
Restaurants in Castletown
1 restaurants within city radius - OpenStreetMap data
Zoos in Castletown
2 zoos within city radius - OpenStreetMap data
Gas Stations in Castletown
2 gas stations within city radius - OpenStreetMap data
Golf Courses in Castletown
1 golf courses within city radius - OpenStreetMap data
Breweries in Castletown
| Name | Type | Address | Phone | Website |
|---|---|---|---|---|
| Lucky Bay Brewing |
Airports Near Castletown
2 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Esperance Airport | EPR | Medium Airport |
| Myrup fly in estate Airport | - | Small Airport |
Explore Near Castletown
Shipwrecks Near Castletown
2 documented shipwrecks found near Castletown.
| Name | Year | Description |
|---|---|---|
| Batoe Bassi | - | A Dutch vessel that was run aground after it began taking on water.[14] |
| Belinda | - | A brig that foundered off Middle Island in the Recherche Archipelago.[15] |
Quick Facts
🇦🇺 About Australia
Public Holidays in Australia
25 public holidays this year
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Get ReportFrequently Asked Questions About Castletown
What is the population of Castletown?
Castletown has a population of 3,968 residents and is located in Australia. The population density is 2,855 people per square mile, spread across 1.4 square miles.
What is the weather like in Castletown?
Castletown enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winter temperatures average 67°F in January, while summers reach an average of 56°F in July. Annual rainfall totals 26.9 inches.
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