During my time in SV people seemed to always apologize when the weather wasn't perfect. They apologized when it was too "hot" barely breaking 80F and too cold when it got below 50F. Personally, "perfect" weather was depressing as all hell because seasons are actually awesome and help you keep track of time passing by. I'll never forget how much people on the east coast (especially boston) treasure the few summer months where you can be outside.