Question

Which of the following wine regions of Australia enjoys the coolest summer climate?

face="Arial, Helvetica, sans-serif" size="-1">(a) Rutherglen
(b) Clare Valley
(c) McLaren Vale
(d) Barossa Valley
(e) Hunter Valley

Answer

Rutherglen has the coolest climate!
Using the wine industry standard measure of Heat Degree Days it is marginally cooler than the Clare. The Barossa Valley is a little warmer and McLaren Vale and the Hunter have a far hotter climate!