The season you are born (climate in general) has MUCH to do with who you are (and not the stars).
Epigenome.
There are studies, bored to dig them up now, but it is very straightforward for people with evolutionary biology, epigenetics etc background.
Dude, our climate is from the Sun (a
star)

If your choice of nickname is apt, then you should easily realize that.
I don't think he excluded that entirely. My assumption is he was arguing a direct correlation so as to give his argument maximum veracity here.