When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Proserpine is typically less than Launceston. We can gather that this will continue over the next 5 days.
You can imagine temperatures to be in the 31 °C range in January. The weather in Launceston is generally colder than Proserpine's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.