Dick Adams wrote:
Are there inhabitable places in Australia where the
nighttime temperature is 0 or below for 3 or more
days?

Dick

If you mean 3 or more days a year, yes there are many places all over the
southern half of the continent not on the coast where this would apply. If
you need regular low temps then go for the southern highlands or Tasmania.

This may help:

http://www.bom.gov.au/jsp/ncc/climat...05&product=min

What did you have in mind?

David