When is IOS 7 coming out for iphone 5?

I need to kno so i can jailbreak my iphone 5 becuz mine is already updated to IOS 6.1.4 and someone told me wen IOS 7 comes out then i can jailbreak my iphone 5 if i dont update it… So when is IOS 7 coming out for iphone 5

It comes out "in the fall"
whatever that means

Jailbreaking has nothing to do with iOS 7. You won't be able to jailbreak now that you've upgraded past 6.1.2, until the jailbreakers figure out how to make a new jailbreak. They probably won't release this new jailbreak until iOS 7 comes out, so there's no reason not to upgrade.

iOS 7 doesn't come out to the public until the fall, but you can install it early if you register your device's UDID with a developer account through a site like http://www.udid.in/.It's $5, and then you can try out the new OS before everyone else. That's how I got it on my 4S, totally worth the upgrade.

IOS 7 will come out in mid-September or early October, I think!

But, it will take some time before a jailbreak is available.

Comes out in "the fall" - but no specific date specified.

Although you will probably be able to jailbreak iOS 7, it will almost certainly take a few weeks after iOS 7 is out before you can actually use it.