In terms of precipitation, rainfall in Mount Gambier ranges from 0.8 - 3.5 inches per month. July is typically the wettest month, when rainfall can reach 3.5 in. January is typically the driest time to visit Mount Gambier when rainfall is around 0.8 in.
If weather is an important factor for your trip to Mount Gambier, 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 64.4 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 46.4 F).
Most people will prefer to visit Mount Gambier during South Australia’s dry season, which lasts from approximately May to September. During this time, the temperature will be mild to warm, and rainfall will be minimal. Bargains can be secured in May before the outback season really starts. Alternatively, the “wet season” from November to February will be very warm, but not too wet – if you can deal with extreme heat.
In Australia, renting a car is recommended due to the distance between attractions and Mount Gambier is no exception. However, if you don’t mind being limited to nearby caves and parks, then taxis will be perfectly adequate, and the town itself is small enough to walk around easily.