I see that the Pacific Northwest part of the North American continent is well represented here.
We spend a lot of money on rain gear; including booties for our feet.
But you know, if you just want to take the bike for a spin, go for it.
If rain isn't a big problem where you are; you don't need all that fancy rain gear; but if it DOES rain often for whatever season;
rain coat, rain paints, booties, extra gloves, and a helmet cover! I need one of those!

Our family tradition is that we hate to START a ride in the rain but if it rains
during the ride we just deal with it.