In terms of precipitation, rainfall in Kalgoorlie ranges from 0.4 - 1.2 inches per month. June is typically the wettest month, when rainfall can reach 1.2 in. September is typically the driest time to visit Kalgoorlie when rainfall is around 0.4 in.
If weather is an important factor for your trip to Kalgoorlie, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 50.0 F).
Summers in Australia can get very hot, so if you want to experience a comfortable climate, it is best to visit the city between April and September when the weather is coolest. To experience some wonderfully consistent heat, visit in the warmest month of January. Kalgoorlie tends to be a quiet town, but this all changes in September during the Boulder to Kalgoorlie Cup. This is a yearly horse racing event, and attracts visitors from all over the West of Australia to the town to make bets, socialise, carouse, and generally make merry. Travel during this month to experience some real Western Australian hospitality.
One excellent tour operator is Kalgoorlie Tours and Charters, which regularly takes travellers on exciting pit tours of the region’s goldmines. There are plenty of other goldmining-themed day tours to go on here. Goldrush Day Tours, for instance, will give you the opportunity to try your hand at panning for gold!