I find the rain heavy enough tbh - and it's raining quite a lot in my temperate biome. I like the weather effects and the transitions (besides the fact that the darkness makes it hard to build when it rains) between them. I wouldn't be against lightning, but I'm fine with what we have. And I like the periods after the rainfalls, when the ground is wet and the textures are all a bit different.
What I find a bit strange when talking about the weather is the amount of times I get snow in july and august and 31 degrees and sunshine in January...