In terms of precipitation, rainfall in Mount Isa ranges from 0.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. June is typically the driest time to visit Mount Isa when rainfall is around 0.0 in.
If weather is an important factor for your trip to Mount Isa, 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 86.0 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 60.8 F).
Due to the arid desert location of the city, temperatures here are extremely high, with hot, humid days all through the year. During the winter season, between April and September, visitors can still experience warm days, but nights are generally cooler. Combined with a lower average number of rainy days, the cooler winter season is a more comfortable time to enjoy the local attractions.
Rainfall can be particularly heavy between November and March, making this time of year less attractive to visitors. However, rainfall varies from year to year, so you can get cheaper deals on travel and accommodations during this season and still be rewarded with hot weather.
Mount Isa is well connected by road, rail and buses. A taxi service is available within the immediate city area and you can also get a taxi to and from nearby Conclurry. If you want to venture further afield, there is a coach service to Townsville, Brisbane and Tennant Creek, which is operated by Greyhound Australia. Alternatively, you can hop on The Inlander train for an overnight connection to Townsville.