Diatryma don’t mislead this guy, Mellbourne is only the second to Tasmania in having the worst flying weather for training in the country. Sunny you need to do some research for yourself.
In Melbourne you will loose a lot of days for flying due to weather. When you arrive in July it will be cold and wet and will be so until November. Taking into consideration that your coming from Hong Kong in the middle of summer to the middle of winter in Melbourne you will find it takes some adjusting.
Melbourne is a nice place, HOWEVER bearing in mind the weather which you are not used to, your lack of English skills, you may be better of to go to Griffith in Brisbane. Queensland winters are superb and the summers are very similar to what you are accustomed to.
It also appears Griffith have the facilities in the Griffith Aviation English and Griffith Aviation English Plus to cater for your obvious lack of English. If your English is not up to standard you will have great difficulty understanding the radio, thus making your flying training more difficult and more expensive.