I've been AWOL from this blog for a while. So much so that Joy Vazapully, who posted the following question, has disappeared from the blogland. I hope the eggs didn't get her.
Joy's question was: "There is a belief that one should not eat eggs in summer, do you think there is any reason?"
The short answer is no.
The longer answer is that, if they affect you in any way, don't eat them but apart from that no.
I know of no reason to be wary of eggs in summer. Obviously normal handling rules apply and you should be aware of the issue of temperature abuse and bacterial growth but that is a normal food hygiene issue and not specific to summer as such.