outdoor growing in cold elimates

i have been living in scotland all my live and have done a good few grows but i have always wanted to grow outdoors because if it is done right its stronger.
i just need to know if its possible to do an outdoor grow in a cold climate like scotland.

how cold is it at night/day?

if you can do it Wales you can do it in scotland

thanks a lot

i just posted some pics in the (summer 2010 grow off thread)check em out...
theyr growing in wales and doing great just hope they finish in time...i think thats the biggest problem early winter but we suposed to b good this year