what mugs or cups are you bringing? There can be quite a difference in weight just with those.
I guess in the end, you'll see how all your trip stuff packs up volume and weight wise, and given you'll be away 7 weeks, it seems reasonable to put an emphasis on enjoyment for some things to be a bit heavier or bulkier, if your panniers aren't overflowing.

Ive always found it handy to have extra room in panniers anyway for grocery store runs at the end of a day, just making it easier throwing stuff in for the shortish ride to a campsite or hotel or whatever.