When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Wick is typically greater than that of Alice Springs. We can gather that this will continue over the next 23 days.
You can imagine temperatures to be in the 37 °C range in January. The weather in Alice Springs is generally hotter than Wick's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.