Climate Insights for Kalgoorlie-Boulder Carosue Dam Airport

The climate in Kalgoorlie-Boulder Carosue Dam Airport is warm and mild. The average annual temperature is 19°C and approximately 221mm of precipitation falls per year. March is the wettest month, receiving around 38mm of rainfall. Kalgoorlie-Boulder Carosue Dam Airport is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, December, February. The coldest months are July, June, August, when temperatures can drop to 7°C.

Temperatures in Kalgoorlie-Boulder Carosue Dam Airport vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 34°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 7°C and an average of 12°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Kalgoorlie-Boulder Carosue Dam Airport is a quite dry location, receiving approximately 221mm of precipitation annually, which averages out to around 18mm per month. The wettest month is March, averaging 38mm of rainfall. February and January also tend to see above-average precipitation. The driest month is September, with just 8mm. That's 30mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Kalgoorlie-Boulder Carosue Dam Airport is moderately windy, with an average annual wind speed of 23km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 21km/h in winter, 25km/h in spring, 26km/h in summer, 21km/h in autumn.

It is currently autumn in Kalgoorlie-Boulder Carosue Dam Airport, which began on March 20, 2026. Kalgoorlie-Boulder Carosue Dam Airport is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 34°C, while the coldest stretch bottoms out in July near 7°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Kalgoorlie-Boulder Carosue Dam Airport is during March, April, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 18mm per month. By contrast, January can be uncomfortably hot with highs reaching 34°C, while July is the coldest period with lows dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Kalgoorlie-Boulder Carosue Dam Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.