There’s different swisstop compounds which are supposed to be suited to various condition. IME they last fine but my road bike only sees rain once in a blue moon.
6 weeks isn’t so bad, at least the soft pads will be saving your rims!
Everything other than swisstop I’ve always found to be much of a muchnes in terms of power, appart from shimano oem which offer average power last 5 minutes.
This winter feels like it’s been particularly gritty on the roads (more big downpours and snow washing crap into the road?). In another 6 weeks it’ll be May and practically summer again.
I’ve a set of spare fibrax pads I’m reluctant to use as they’re hard as nails! Not sure if they’ve aged in my saddlebag or if they started like that.