1. Of, or characteristic of, or occurring in the prime of the year: After such a cold winter, we were looking forward to vernal sunshine.
2. Appearing or occurring in the time before summer: It was easy to observe the vernal migratory movements of the birds.

The vernal season is the period that extends from late April to late May in the northern hemisphere.

3. Appropriate to or suggesting the time after winter; springlike: It was wonderful to see the vernal greenery again.
4. Suggestive of youth; characteristic of youth; such as, being vigorous and fresh: The elderly couple often had vernal longings for their young days.