春が来れば、暖かくなる。

spring; springtime; New Year; prime (of one's life, etc.); adolescence; puberty; sexuality

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to come (spatially or temporally); to approach; to arrive; to come back; to do ... and come back; to come to be; to become; to get; to grow; to continue; to come from; to be caused by; to derive from; to come to (i.e. "when it comes to spinach ...")

warm; mild; genial

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...