Life has had half a billion years to figure out that if you produce offspring at the optimal (min-maxed, really) survival time, you get more offspring.
It's not just that spores work better in certain weather conditions, it's also that there are often more spores in those conditions as well. Mushrooms coming up after a rain, gambling that there will be another one in a couple days, for instance.
But good building design following current standards isn't going to be affected by this.