Re: how cold?
It will be a little cool on Alaska and Baltic cruises; definitely need something to take the chill off. Cruises to Anrarctica or above the Arctic Circle you also need to be careful of; definitely need a jacket.
"The test of a first rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still retain the ability to function."
F Scott Fitzgerald
Silversea Silver Explorer (23nts) - Kangerlussuaq, Greenland - Nome, Alaska - Aug 14
Seven Seas Voyager (30nts) - Dubai - Cape Town - Nov 14