Kalgoorlie Temperature by Month

Kalgoorlie in Western Australia, Australia sees significant seasonal temperature differences, with daytime highs between 18°C (64°F) in July and 35°C (95°F) in January, averaging 27°C (81°F) annually. Explore the full monthly breakdown below.

The climate in Kalgoorlie is known for significant temperature differences throughout the year. At night, this contrast is just as clear, with lows ranging from 19°C (66°F) in January to 7°C (45°F) in July.

The chart below illustrates the average maximum day and minimum night temperatures in Kalgoorlie by month:

Daily lows are most common between 4 AM and 6 AM. By 3 PM temperatures reach their daily high, driven by peak solar heating.

The chart below shows the average temperature throughout the year:

Kalgoorlie's average annual maximum temperature is 27°C (81°F). To put that in context, here's how it compares to a few well-known destinations:

Barcelona, Spain has an annual average of around 21°C (70°F), with warm summers and mild, fairly short winters.

Reykjavík, Iceland averages 9°C (48°F) a year, mild summers by Icelandic standards, but cold winters and frequent wind.

Boston, USA averages 16°C (61°F) annually, with four distinct seasons and cold winters that rival northern Europe.

Melbourne, Australia averages 20°C (68°F) annually, known for unpredictable weather, with four seasons sometimes happening in one day.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

For cities and regions with significant elevation, altitude is one of the biggest factors shaping local temperatures. As a rule of thumb, temperatures fall by around 6°C for every 1,000 metres gained, so a city at 2,000 metres will typically be around 12°C cooler than a city at sea level in the same region. Higher ground also tends to see more dramatic day-to-night temperature swings, since thinner air loses heat faster after sunset.

For more on Kalgoorlie's weather, including monthly rainfall, sunshine hours, and humidity, visit our Kalgoorlie climate page.