Boulder, Australia
Western Australia · Australia
Boulder is a small town in Western Australia, Australia with a population of 4,872. Elevation: 1,188 ft (362 m). Average temperature: 67°F (19°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 Boulder
Boulder is a suburb of Kalgoorlie in the Western Australian Goldfields, 597 kilometres (371 mi) east of Perth.
People
Climate
| Population | 4,872 |
| Population Density | 2,935 / sq mi |
| Elevation | 1,188 ft (362 m) |
| Coordinates | -30.7820°, 121.4912° |
| Timezone | Australia/Perth |
| Country | 🇦🇺 Australia |
| State / Province | Western Australia |
| Average Temperature | 67°F (19°C) |
| January Average | 77°F (25°C) |
| July Average | 51°F (11°C) |
| Annual Precipitation | 8.2 inches (209 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Boulder
Boulder is a small town in Australia (Western Australia) with a population of 4,872. The city sits at an elevation of 1,188 feet (362 meters) above sea level. The average annual temperature is 67°F (19°C). Temperatures range from 77°F in January to 51°F in July. Annual precipitation averages 8.2 inches. The timezone is Australia/Perth.
Climate in Boulder
Boulder has an average annual temperature of 19°C (66°F). The hottest month is Jan (26.4°C), the coldest is Jul (11.6°C). Average annual precipitation is 284 mm.
Temperature
| Annual Average | 66.5°F |
| 23% above Australia avg | |
| January Average | 77°F (25°C) |
| July Average | 51°F (11°C) |
Geography
| Elevation | 1,188 ft (362 m) |
| Area | 1.7 sq mi (4.3 km²) |
| Population Density | 2,935/sq mi |
| Coordinates | 30.7820°S, 121.4912°E |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 0.8 in | |
| February | 78°F (25°C) | 1.0 in | Warmest |
| March | 74°F (23°C) | 1.1 in | |
| April | 67°F (19°C) | 0.9 in | |
| May | 59°F (15°C) | 1.2 in | Wettest |
| June | 53°F (12°C) | 1.2 in | |
| July | 51°F (11°C) | 1.0 in | Coldest |
| August | 54°F (12°C) | 0.9 in | |
| September | 60°F (15°C) | 0.6 in | Driest |
| October | 65°F (19°C) | 0.6 in | |
| November | 71°F (22°C) | 0.8 in | |
| December | 77°F (25°C) | 0.8 in |
Boulder has a seasonal temperature swing of 26°F / from 51°F in July to 78°F in February. Total annual precipitation is 11.0 inches, with May being the wettest month (1.2") and September the driest (0.6").
Schools in Boulder
2 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Boulder Primary School | - | - | - | - |
| Kalgoorlie School Of The Air | - | - | - | - |
Radio Stations near Boulder
0 stations within ~55 km.
| Station | Genre | Quality |
|---|
Museums in Boulder
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Eastern Goldfields Historical Society | ||||
| Loopline Railway Museum | ||||
| Museum of the Goldfields |
Libraries in Boulder
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| William Grundt Memorial Library | 0.0 |
Cafes in Boulder
1 cafes within city radius - OpenStreetMap data
Monuments in Boulder
1 monuments within city radius - OpenStreetMap data
Clinics in Boulder
1 clinics within city radius - OpenStreetMap data
Train Stations in Boulder
1 train stations within city radius - OpenStreetMap data
Gas Stations in Boulder
2 gas stations within city radius - OpenStreetMap data
Airports Near Boulder
5 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Kalgoorlie Boulder Airport | KGI | Medium Airport |
| Bullabulling Airfield | - | Small Airport |
| Bulong Airport | - | Small Airport |
| Coolgardie Airport | - | Small Airport |
| Kambalda Airport | KDB | Small Airport |
Post Offices in Boulder
1 post offices.
| Post Office | Address |
|---|---|
| Boulder LPO |
Quick Facts
🇦🇺 About Australia
Public Holidays in Australia
25 public holidays this year
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Get ReportFrequently Asked Questions About Boulder
What is the population of Boulder?
Boulder has a population of 4,872 residents and is located in Australia. The population density is 2,935 people per square mile, spread across 1.7 square miles.
What is the weather like in Boulder?
Boulder enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winter temperatures average 77°F in January, while summers reach an average of 51°F in July. Annual rainfall totals 8.2 inches.
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