Amsterdam - Post Report Question and Answers
But don't forget your:
Bring multiple OTC medicines for everything. Don't forget your rain boots, umbrellas and attitude about life goes on in the rain. Beach chairs are great to have in the Summer months. With the exception of Christmas, bring your own holiday decorations. Baking mixes, cake decorations, and party supplies are recommended, too. - Oct 2014
Rain gear (perhaps invest in a full rain suit when you get here if you plan to bike to work). - Jun 2014