Today is a beautiful day in Tokyo! 31C and very low humidity.
Our idiom for today is, that's the ticket!
This means that something, was exactly, what was needed.
Example 1
That was the ticket! I was craving Korean BBQ for a long time.
Example 2
A. Why don't we fly to Hawaii for a girl's getaway?
B. That's the ticket! That's exactly what we need.