Lets get something straight. If primers were affected by humidity, they'd come sealed inside a moisture proof package. They're not,,,---are they? This means storage anywhere is just fine, as noted by several reply's already.
Powder is also quite tolerant of humidity. That means you return it to it's bottle/can when finished loading, and make sure the lid is on tight. Some say powder absorbs humidity when exposed to humid air. I don't believe it. AND it's been researched to death, finding it makes no difference how humid it is while loading shells.
The more people I meet, the more I love my dog
They're going to get their butts kicked over there this election. How come people can't spell and use words correctly?